Abstract The aim of the study was to evaluate the effect of replacing soybean meals with legume grains in diets on laying performance of hens and egg quality, with particular emphasis on egg lysozyme content. The study included 4 breeds/strains of laying hens included in the conservation programme in Poland, i.e.: Green-legged Partridge (Z-11), Yellow-legged Partridge (Ż-33), Rhode Island Red (R-11), and Leghorn (H-22). At 41–56 weeks of age, the hens of each strain were divided into two groups: I (control) – fed ad libitum with a standard diet based soybean meal, and II (experimental) – fed ad libitum with a diet that contained beans, peas and lupins instead of soybean meal. At 56 weeks of age, 32 eggs were taken at random from each group of hens and each strain, which were subjected to quality assessment. The results of the study confirm the possibility of feeding the above-mentioned hens with a diets in which soybeans were replaced with 28% of faba bean, pea, and yellow lupin grains without a significant effect on laying performance, but with a change in some egg quality characteristics. In groups of hens fed a diet without soybean, a decrease in egg and albumen weight, albumen and yolk pH values, and an increase in yolk colour towards yellow were recorded, as well as an increase in Haugh units and air cell height and shell porosity. There was a significant effect of genotype and diet and simultaneously of both factors on the content and activity of lysozyme in the thin and thick albumen. In the experimental groups, the average content and activity of lysozyme in the thin albumen decreased and in the thick albumen increased. Regardless of diet, statistically significant variation in egg internal quality and egg shell quality between hen strains was shown, as well as a correlation between the content and activity of lysozyme in eggs and shell colour.
{"title":"Effect of feeding selected strains of conserved breed hens with diets containing legumes on egg quality and content and activity of lysozyme","authors":"J. Krawczyk, L. Lewko, S. Świątkiewicz","doi":"10.2478/aoas-2023-0079","DOIUrl":"https://doi.org/10.2478/aoas-2023-0079","url":null,"abstract":"Abstract The aim of the study was to evaluate the effect of replacing soybean meals with legume grains in diets on laying performance of hens and egg quality, with particular emphasis on egg lysozyme content. The study included 4 breeds/strains of laying hens included in the conservation programme in Poland, i.e.: Green-legged Partridge (Z-11), Yellow-legged Partridge (Ż-33), Rhode Island Red (R-11), and Leghorn (H-22). At 41–56 weeks of age, the hens of each strain were divided into two groups: I (control) – fed ad libitum with a standard diet based soybean meal, and II (experimental) – fed ad libitum with a diet that contained beans, peas and lupins instead of soybean meal. At 56 weeks of age, 32 eggs were taken at random from each group of hens and each strain, which were subjected to quality assessment. The results of the study confirm the possibility of feeding the above-mentioned hens with a diets in which soybeans were replaced with 28% of faba bean, pea, and yellow lupin grains without a significant effect on laying performance, but with a change in some egg quality characteristics. In groups of hens fed a diet without soybean, a decrease in egg and albumen weight, albumen and yolk pH values, and an increase in yolk colour towards yellow were recorded, as well as an increase in Haugh units and air cell height and shell porosity. There was a significant effect of genotype and diet and simultaneously of both factors on the content and activity of lysozyme in the thin and thick albumen. In the experimental groups, the average content and activity of lysozyme in the thin albumen decreased and in the thick albumen increased. Regardless of diet, statistically significant variation in egg internal quality and egg shell quality between hen strains was shown, as well as a correlation between the content and activity of lysozyme in eggs and shell colour.","PeriodicalId":8235,"journal":{"name":"Annals of Animal Science","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46051635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract In this study, the antibacterial effects of postbiotics obtained from Pediococcus acidilactici, Lactiplantibacillus plantarum and Latilactobacillus sakei, which were grown in sterile cow’s milk and De Man Rogosa and Sharpe (MRS) Broth, against some food pathogens (Salmonella spp., Listeria monocytogenes, Escherichia coli O157:H7, and Brucella melitensis) was investigated. It was observed that lactic acid bacteria postbiotics produced in MRS Broth formed larger inhibition zones than those developed in cow’s milk against pathogenic bacteria. In order to investigate the antimicrobial effect of the postbiotics on chicken breast meat and to compare this effect with lactic acid decontamination, samples contaminated with Salmonella spp. and L. monocytogenes were immersed into the postbiotics of L. plantarum and L. sakei, 2.1% lactic acid solution, and distilled water for 10 minutes. Microbial changes in the groups were investigated during the storage at 4 ˚C for 17 days. On the 8th day of storage, it was determined that the number of Salmonella spp. in the groups treated with postbiotics decreased by 0.9 log10 CFU/g compared to the control and distilled water groups. While the number of L. monocytogenes increased during storage in the control and distilled water groups, the postbiotics and 2.1% lactic acid exhibited a bacteriostatic effect on L. monocytogenes during storage period. Compared to the postbiotics, 2.1% lactic acid had higher reduction (1.8 log10 CFU/g) rates against Salmonella spp. (P<0.05), also a significant difference was observed against L. monocytogenes in the first and last days of storage (P<0.05). While the shelf life of chicken breast meat was determined to be 5 days in the control and distilled water groups, postbiotic treatments extended the shelf life of chicken breast meat by an extra 9 days, and %2.1 lactic acid treatment extended an extra 12 days compared to the control and distilled water treatments.
摘要本试验研究了从无菌牛奶和德曼Rogosa and Sharpe (MRS)肉汤中培养的酸乳酸球球菌、植物乳杆菌和萨克乳杆菌后生菌对沙门氏菌、单核增生李斯特菌、大肠埃希菌O157:H7和梅氏布鲁氏菌的抑菌效果。结果表明，MRS肉汤中产生的乳酸菌对病原菌的抑制区比牛奶中产生的乳酸菌对病原菌的抑制区更大。为了研究后生制剂对鸡胸肉的抑菌效果，并与乳酸净化效果进行比较，将沙门氏菌和单核增生乳杆菌污染的样品分别浸泡在植物乳杆菌和白乳杆菌后生制剂、2.1%乳酸溶液和蒸馏水中10分钟。在4˚C条件下保存17 d，观察各组微生物的变化。在贮藏第8天，经测定，与对照组和蒸馏水组相比，益生菌处理组沙门氏菌数量减少了0.9 log10 CFU/g。对照组和蒸馏水组单核增生乳杆菌的数量在贮藏期间有所增加，而生后制剂和2.1%乳酸在贮藏期间对单核增生乳杆菌有抑菌作用。与益生后相比，2.1%乳酸对沙门氏菌的抑制率(1.8 log10 CFU/g)更高(P<0.05)，对单核增生乳杆菌的抑制率在贮藏的第1天和最后1天也有显著差异(P<0.05)。在对照组和蒸馏水组中，鸡胸肉的保质期被确定为5天，与对照组和蒸馏水处理相比，益生后处理使鸡胸肉的保质期延长了9天，而%2.1乳酸处理延长了12天。
{"title":"Antimicrobial efficacy of postbiotics of lactic acid bacteria and their effects on food safety and shelf life of chicken meat","authors":"Beril Serter, Adem Önen, O. I. Ilhak","doi":"10.2478/aoas-2023-0081","DOIUrl":"https://doi.org/10.2478/aoas-2023-0081","url":null,"abstract":"Abstract In this study, the antibacterial effects of postbiotics obtained from Pediococcus acidilactici, Lactiplantibacillus plantarum and Latilactobacillus sakei, which were grown in sterile cow’s milk and De Man Rogosa and Sharpe (MRS) Broth, against some food pathogens (Salmonella spp., Listeria monocytogenes, Escherichia coli O157:H7, and Brucella melitensis) was investigated. It was observed that lactic acid bacteria postbiotics produced in MRS Broth formed larger inhibition zones than those developed in cow’s milk against pathogenic bacteria. In order to investigate the antimicrobial effect of the postbiotics on chicken breast meat and to compare this effect with lactic acid decontamination, samples contaminated with Salmonella spp. and L. monocytogenes were immersed into the postbiotics of L. plantarum and L. sakei, 2.1% lactic acid solution, and distilled water for 10 minutes. Microbial changes in the groups were investigated during the storage at 4 ˚C for 17 days. On the 8th day of storage, it was determined that the number of Salmonella spp. in the groups treated with postbiotics decreased by 0.9 log10 CFU/g compared to the control and distilled water groups. While the number of L. monocytogenes increased during storage in the control and distilled water groups, the postbiotics and 2.1% lactic acid exhibited a bacteriostatic effect on L. monocytogenes during storage period. Compared to the postbiotics, 2.1% lactic acid had higher reduction (1.8 log10 CFU/g) rates against Salmonella spp. (P<0.05), also a significant difference was observed against L. monocytogenes in the first and last days of storage (P<0.05). While the shelf life of chicken breast meat was determined to be 5 days in the control and distilled water groups, postbiotic treatments extended the shelf life of chicken breast meat by an extra 9 days, and %2.1 lactic acid treatment extended an extra 12 days compared to the control and distilled water treatments.","PeriodicalId":8235,"journal":{"name":"Annals of Animal Science","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44236119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract Especially in arid regions, developing tilapia culture with the ability to survive a wide range of salinities is crucial due to the limited availability of fresh water for aquaculture. The present study focused on evaluating the growth performance of Nile tilapia in a biofloc system under three salinity levels: 0 (BFT0), 4 (BFT4), and 8 g/L (BFT8). Fingerling fish were raised for 37 days in tanks with a water volume of 140 liters and a stocking density of one fish per liter. The results of the water quality parameters showed that dissolved oxygen and pH decreased with increasing salinity. Furthermore, the BFT8 group had the highest concentrations of settled solid (19.98 ml/L) and total suspended solid (428.37 mg/L), while the BFT8 group had the lowest TAN concentration (4.32 mg/L). The final weight and specific growth rate were significantly higher in the BFT8 and BFT4 groups compared to the BFT0 group. Survival rates were not significantly different across treatments, and all of them were higher than 97%. The protein and lipid content of Nile tilapia bodies and bioflocs decreased with increasing salinity, while the ash content increased. The highest body ash content in Nile tilapia (13.81% of dry weight) and bioflocs (31.78% dry weight) was found at 8 g/L salinity. Based on the present study, it is suggested that salinities of 4 and 8 g/L can improve water quality, growth performance, survival, and carcass composition of Nile tilapia fingerlings in the biofloc system. This finding suggests that brackish waters can be utilized for sustainable aquaculture for the rearing of Nile tilapia.
{"title":"Effects of different salinity levels on performance of Nile tilapia fingerlings in a biofloc culture system","authors":"M. Khanjani, M. Alizadeh","doi":"10.2478/aoas-2023-0077","DOIUrl":"https://doi.org/10.2478/aoas-2023-0077","url":null,"abstract":"Abstract Especially in arid regions, developing tilapia culture with the ability to survive a wide range of salinities is crucial due to the limited availability of fresh water for aquaculture. The present study focused on evaluating the growth performance of Nile tilapia in a biofloc system under three salinity levels: 0 (BFT0), 4 (BFT4), and 8 g/L (BFT8). Fingerling fish were raised for 37 days in tanks with a water volume of 140 liters and a stocking density of one fish per liter. The results of the water quality parameters showed that dissolved oxygen and pH decreased with increasing salinity. Furthermore, the BFT8 group had the highest concentrations of settled solid (19.98 ml/L) and total suspended solid (428.37 mg/L), while the BFT8 group had the lowest TAN concentration (4.32 mg/L). The final weight and specific growth rate were significantly higher in the BFT8 and BFT4 groups compared to the BFT0 group. Survival rates were not significantly different across treatments, and all of them were higher than 97%. The protein and lipid content of Nile tilapia bodies and bioflocs decreased with increasing salinity, while the ash content increased. The highest body ash content in Nile tilapia (13.81% of dry weight) and bioflocs (31.78% dry weight) was found at 8 g/L salinity. Based on the present study, it is suggested that salinities of 4 and 8 g/L can improve water quality, growth performance, survival, and carcass composition of Nile tilapia fingerlings in the biofloc system. This finding suggests that brackish waters can be utilized for sustainable aquaculture for the rearing of Nile tilapia.","PeriodicalId":8235,"journal":{"name":"Annals of Animal Science","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41747947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alireza Ghaedi, M. T. Mozanzadeh, Davood Zargham, Seyed Abdolhamid Hosseini
Abstract A nutritional study was conducted to evaluate the influence of dietary fish oil (FO) sparing by using a mixture of vegetal oils (VO) on rainbow trout (Oncorhynchus mykiss) juveniles (30.0 g). A basal diet was supplemented with the experimental oils at a 10% level, including FO (FO diet), a blend of VO (sunflower, soybean and, rapeseed oils with a 1:1:1 ratio), and a mixture (1:1 ratio) of FO and the blends of VO (MIX). In a raceway system, four hundred and fifty fish were stocked in nine rectangular concrete tanks (50 fish. tank−1). Three experimental diets, with three replicate each, were offered to fish up to visual satiation for eight weeks. Growth performance did not change among groups (P>0.05). The highest and lowest proportions of n-3 polyunsaturated fatty acids (PUFA), n-3 long chain-PUFA, especially docosahexaenoic acid, and n-3/n-6 PUFA ratio were in the whole body of FO and the VO groups, respectively (P<0.05). Serum catalase and glutathione peroxidase activities in VO group were higher than others. Serum superoxide dismutase activity in fish-fed FO and VO diets was higher than MIX group (P<0.05). VO group had higher serum lysozyme, alternative complement pathway, and total immunoglobulin levels than other experimental groups. MIX group had highest serum triglyceride, cholesterol, and low-density lipoproteins. Serum high-density lipoproteins, aspartate aminotransferase, and alanine aminotransferase levels in VO treatment were in the lowest level compared to others (P<0.05). The highest relative transcription levels of fatty acid synthase, delta-6 fatty acyl desaturase, and apolipoprotein b-100 genes were in the liver of fish fed the MIX diet. The relative transcription level of the fatty acid-binding protein1 gene did not change (P>0.05). In summary, the results of this study revealed that dietary FO sparing with VO did not adversely affect the growth and health indices of rainbow trout; nevertheless, it had adverse effects on its nutritional values by reducing whole-body n-3 LC-PUFA content.
{"title":"Dietary fish oil sparing with blended vegetable oils on growth, fatty acid composition and lipid-metabolism-related genes expression in juvenile rainbow trout (Oncorhynchus mykiss)","authors":"Alireza Ghaedi, M. T. Mozanzadeh, Davood Zargham, Seyed Abdolhamid Hosseini","doi":"10.2478/aoas-2023-0083","DOIUrl":"https://doi.org/10.2478/aoas-2023-0083","url":null,"abstract":"Abstract A nutritional study was conducted to evaluate the influence of dietary fish oil (FO) sparing by using a mixture of vegetal oils (VO) on rainbow trout (Oncorhynchus mykiss) juveniles (30.0 g). A basal diet was supplemented with the experimental oils at a 10% level, including FO (FO diet), a blend of VO (sunflower, soybean and, rapeseed oils with a 1:1:1 ratio), and a mixture (1:1 ratio) of FO and the blends of VO (MIX). In a raceway system, four hundred and fifty fish were stocked in nine rectangular concrete tanks (50 fish. tank−1). Three experimental diets, with three replicate each, were offered to fish up to visual satiation for eight weeks. Growth performance did not change among groups (P>0.05). The highest and lowest proportions of n-3 polyunsaturated fatty acids (PUFA), n-3 long chain-PUFA, especially docosahexaenoic acid, and n-3/n-6 PUFA ratio were in the whole body of FO and the VO groups, respectively (P<0.05). Serum catalase and glutathione peroxidase activities in VO group were higher than others. Serum superoxide dismutase activity in fish-fed FO and VO diets was higher than MIX group (P<0.05). VO group had higher serum lysozyme, alternative complement pathway, and total immunoglobulin levels than other experimental groups. MIX group had highest serum triglyceride, cholesterol, and low-density lipoproteins. Serum high-density lipoproteins, aspartate aminotransferase, and alanine aminotransferase levels in VO treatment were in the lowest level compared to others (P<0.05). The highest relative transcription levels of fatty acid synthase, delta-6 fatty acyl desaturase, and apolipoprotein b-100 genes were in the liver of fish fed the MIX diet. The relative transcription level of the fatty acid-binding protein1 gene did not change (P>0.05). In summary, the results of this study revealed that dietary FO sparing with VO did not adversely affect the growth and health indices of rainbow trout; nevertheless, it had adverse effects on its nutritional values by reducing whole-body n-3 LC-PUFA content.","PeriodicalId":8235,"journal":{"name":"Annals of Animal Science","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41394221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Islam Youssef, H. Khalil, A. Swelum, Maged A. Al Garadi, B. Balasubramanian, M. Hassan, Haiam S. Abd El Halim, M. A. Abd El-Hack, K. Youssef, Maher A. Abo-Samra
Abstract This experiment aimed to ascertain whether adding chitosan-oligosaccharides (COS) to the diet will affect Mandarah laying hens’ productivity and reproductive efficiency. At the age of 34 weeks, 120 laying hens and 12 cocks of the Mandarah chicken strain were separated into four groups, each consisting of 30 hens and three cocks. The 1st group served as a control group, receiving only a basic diet. The 2nd, 3rd, and 4th experimental groups received 0.1, 0.2, and 0.5 g/kg of chitosan-oligosaccharides as an addition to the base diet, respectively. According to the findings of this study, the majority of the analyzed attributes differed significantly between treatment groups. Comparing the COS-treated birds to the control birds, the COS-treated birds significantly increased egg production, improved feed conversion, haugh unit score, shell thickness, fertility, hatchability, ovary weight, and the number of yellow ovarian follicles as well as blood estradiol-17β (E2) and testosterone concentrations. Furthermore, compared to the other treated groups, introducing COS at a level 0.1 g/kg diet resulted in the best laying rate, egg mass, and feed conversion. The highest percentage of fertility, hatchability of hatching eggs, ovary weight, number of yellow ovarian follicles, and serum E2 concentration was also found in birds fed COS at a dose of 0.2 g/kg feed. In addition, compared to the control diet, COS treatment at 0.1, 0.2, and 0.5 g/kg enhanced relative economic efficiency by 464.43, 457.41, and 352.75%, respectively. It is concluded that chitosan improves economic efficiency, reproductive performance, productivity in laying hens, and overall health when used at a 0.1 g/kg diet.
{"title":"Influence of dietary chitosan-oligosaccharides supplementation on productive and reproductive performance of laying hens","authors":"Islam Youssef, H. Khalil, A. Swelum, Maged A. Al Garadi, B. Balasubramanian, M. Hassan, Haiam S. Abd El Halim, M. A. Abd El-Hack, K. Youssef, Maher A. Abo-Samra","doi":"10.2478/aoas-2023-0082","DOIUrl":"https://doi.org/10.2478/aoas-2023-0082","url":null,"abstract":"Abstract This experiment aimed to ascertain whether adding chitosan-oligosaccharides (COS) to the diet will affect Mandarah laying hens’ productivity and reproductive efficiency. At the age of 34 weeks, 120 laying hens and 12 cocks of the Mandarah chicken strain were separated into four groups, each consisting of 30 hens and three cocks. The 1st group served as a control group, receiving only a basic diet. The 2nd, 3rd, and 4th experimental groups received 0.1, 0.2, and 0.5 g/kg of chitosan-oligosaccharides as an addition to the base diet, respectively. According to the findings of this study, the majority of the analyzed attributes differed significantly between treatment groups. Comparing the COS-treated birds to the control birds, the COS-treated birds significantly increased egg production, improved feed conversion, haugh unit score, shell thickness, fertility, hatchability, ovary weight, and the number of yellow ovarian follicles as well as blood estradiol-17β (E2) and testosterone concentrations. Furthermore, compared to the other treated groups, introducing COS at a level 0.1 g/kg diet resulted in the best laying rate, egg mass, and feed conversion. The highest percentage of fertility, hatchability of hatching eggs, ovary weight, number of yellow ovarian follicles, and serum E2 concentration was also found in birds fed COS at a dose of 0.2 g/kg feed. In addition, compared to the control diet, COS treatment at 0.1, 0.2, and 0.5 g/kg enhanced relative economic efficiency by 464.43, 457.41, and 352.75%, respectively. It is concluded that chitosan improves economic efficiency, reproductive performance, productivity in laying hens, and overall health when used at a 0.1 g/kg diet.","PeriodicalId":8235,"journal":{"name":"Annals of Animal Science","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44677214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. Karaarslan, O. Tatlı, M. Kaya, H. Değer Oral Toplu, E. D. Fidan, M. Kenan Türkyılmaz, A. Nazligül
Abstract In this trial, the effects of early qualitative feed restriction and barrier perch access on some meat quality traits, growth performance, and diet cost analysis of broiler chickens were investigated. A total of 504 1-d old male chicks (Ross 308) were randomly allocated to four treatments (qualitative feed restriction-QFR; absence-/presence+ and barrier perch-BP; absence-/presence+) with three replicate pens in a completely randomised design involving a 2 x 2 factorial arrangement of treatments. Broiler chickens in the treatment of QFR (-) were fed with a corn-soybean meal diet containing protein and energy at the level specified in the commercial hybrid catalogue during d 0-42. The treatment of QFR (+) was fed with a corn-soybean meal diet containing lower energy (10%) and protein (20%) for the first d 21, and then between d 22-42, they were fed with a diet specified in the commercial hybrid catalogue. In the treatment of BP (+), the barrier perch was placed between the feeder and the drinker. Meat quality traits (pH, lightness-L*, redness-a*, yellowness-b*, chroma, hue angle, and cooking loss-CL), growth performance (body weight-BW, body weight gain-BWG, feed intake-FI, and feed conversion ratio-FCR), and diet cost analysis (total diet cost and diet cost per unit weight gain) were recorded. Except for the a* value and hue angle measured at 24-h post-slaughter, the effect of QFR treatments on meat quality traits was insignificant in all measurements. During d 0-42, in the treatments of QFR (+) of BW, BWG, and FI were lower (respectively P<0.001, P<0.001, and P=0.005), and FCR was worse (P=0.014). The QFR treatments did not differ significantly in dietary cost per unit weight gained during d 0-42. As a result, it can be said that early qualitative feed restriction did not significantly affect meat quality traits. The treatment of QFR (+) resulted in reduced growth performance. However, diet cost per unit weight gain showed similar values in both the QFR treatments (QFR+ €0.75, QFR- €0.76, P=0.511).
{"title":"Influence of early qualitative feed restriction and barrier perch access on some meat quality traits, growth performance, and diet cost analysis in broiler chickens","authors":"S. Karaarslan, O. Tatlı, M. Kaya, H. Değer Oral Toplu, E. D. Fidan, M. Kenan Türkyılmaz, A. Nazligül","doi":"10.2478/aoas-2023-0080","DOIUrl":"https://doi.org/10.2478/aoas-2023-0080","url":null,"abstract":"Abstract In this trial, the effects of early qualitative feed restriction and barrier perch access on some meat quality traits, growth performance, and diet cost analysis of broiler chickens were investigated. A total of 504 1-d old male chicks (Ross 308) were randomly allocated to four treatments (qualitative feed restriction-QFR; absence-/presence+ and barrier perch-BP; absence-/presence+) with three replicate pens in a completely randomised design involving a 2 x 2 factorial arrangement of treatments. Broiler chickens in the treatment of QFR (-) were fed with a corn-soybean meal diet containing protein and energy at the level specified in the commercial hybrid catalogue during d 0-42. The treatment of QFR (+) was fed with a corn-soybean meal diet containing lower energy (10%) and protein (20%) for the first d 21, and then between d 22-42, they were fed with a diet specified in the commercial hybrid catalogue. In the treatment of BP (+), the barrier perch was placed between the feeder and the drinker. Meat quality traits (pH, lightness-L*, redness-a*, yellowness-b*, chroma, hue angle, and cooking loss-CL), growth performance (body weight-BW, body weight gain-BWG, feed intake-FI, and feed conversion ratio-FCR), and diet cost analysis (total diet cost and diet cost per unit weight gain) were recorded. Except for the a* value and hue angle measured at 24-h post-slaughter, the effect of QFR treatments on meat quality traits was insignificant in all measurements. During d 0-42, in the treatments of QFR (+) of BW, BWG, and FI were lower (respectively P<0.001, P<0.001, and P=0.005), and FCR was worse (P=0.014). The QFR treatments did not differ significantly in dietary cost per unit weight gained during d 0-42. As a result, it can be said that early qualitative feed restriction did not significantly affect meat quality traits. The treatment of QFR (+) resulted in reduced growth performance. However, diet cost per unit weight gain showed similar values in both the QFR treatments (QFR+ €0.75, QFR- €0.76, P=0.511).","PeriodicalId":8235,"journal":{"name":"Annals of Animal Science","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43767874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Seerengaraj Vijayaram, N. Elboughdiri, H. Razafindralambo, Yun‐Zhang Sun, Shiva Nedaei, Hamed Ghafarifarsani
Abstract Aquaculture is another mainly crucial food manufacturing division in the globe and it’s also economical importance in many countries. Disease outbreaks are mainly affected to decrease aquatic production, prior chemotherapeutics and antibiotics treatments are supportive to manage the infections. In this method, residues cause side effects on humans and aquatic animals. Researchers find out pro-pre-synbiotics methods used to enhance the feed quality and aquatic production. Herbal dietary feed supplementation development is eco-friendly, non-toxic, cost-effective, and easily handle for the preparation of feeds for aquatic animals in aquaculture. This review provides some information regarding herbal dietary feed supplements is assist to improve aquatic animals’ health and also getting better quality of aquatic feed in the aquatic sector. These review reports enlighten the way of upcoming investigations progress of novel applications in aquaculture.
{"title":"Application of herbal dietary supplements in aquaculture – a review","authors":"Seerengaraj Vijayaram, N. Elboughdiri, H. Razafindralambo, Yun‐Zhang Sun, Shiva Nedaei, Hamed Ghafarifarsani","doi":"10.2478/aoas-2023-0076","DOIUrl":"https://doi.org/10.2478/aoas-2023-0076","url":null,"abstract":"Abstract Aquaculture is another mainly crucial food manufacturing division in the globe and it’s also economical importance in many countries. Disease outbreaks are mainly affected to decrease aquatic production, prior chemotherapeutics and antibiotics treatments are supportive to manage the infections. In this method, residues cause side effects on humans and aquatic animals. Researchers find out pro-pre-synbiotics methods used to enhance the feed quality and aquatic production. Herbal dietary feed supplementation development is eco-friendly, non-toxic, cost-effective, and easily handle for the preparation of feeds for aquatic animals in aquaculture. This review provides some information regarding herbal dietary feed supplements is assist to improve aquatic animals’ health and also getting better quality of aquatic feed in the aquatic sector. These review reports enlighten the way of upcoming investigations progress of novel applications in aquaculture.","PeriodicalId":8235,"journal":{"name":"Annals of Animal Science","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44213121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
G. Pastorelli, Valentina Serra, L. Turin, E. Attard
Abstract The human population is expected to reach 9.7 billion by 2050. One of the main challenges will be the demand for food and food security. With time farmland is being lost especially due to environmental change and anthropogenic activities. There is huge competition for the utilisation of farmland for human food production, animal feed production, energy production and other sectors that are utilising the farmland. To minimize the competition between human food and animal feed production, in terms of land use, alternative growing systems, such as hydroponics, may serve to address this problem. Hydroponics is a technology of sprouting grains or growing plants in a soilless environment, with only water or nutrient-rich solution. The present review aims to provide an evaluation of hydroponically-sprouted maize and barley in food producing animals, underlining benefits and limitations in its application.
{"title":"Hydroponic fodders for livestock production – a review","authors":"G. Pastorelli, Valentina Serra, L. Turin, E. Attard","doi":"10.2478/aoas-2023-0075","DOIUrl":"https://doi.org/10.2478/aoas-2023-0075","url":null,"abstract":"Abstract The human population is expected to reach 9.7 billion by 2050. One of the main challenges will be the demand for food and food security. With time farmland is being lost especially due to environmental change and anthropogenic activities. There is huge competition for the utilisation of farmland for human food production, animal feed production, energy production and other sectors that are utilising the farmland. To minimize the competition between human food and animal feed production, in terms of land use, alternative growing systems, such as hydroponics, may serve to address this problem. Hydroponics is a technology of sprouting grains or growing plants in a soilless environment, with only water or nutrient-rich solution. The present review aims to provide an evaluation of hydroponically-sprouted maize and barley in food producing animals, underlining benefits and limitations in its application.","PeriodicalId":8235,"journal":{"name":"Annals of Animal Science","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44997418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
E. Semik-Gurgul, A. Gurgul, K. Pawlina-Tyszko, A. Gałuszka, R. Pędziwiatr, Maciej Witkowski, T. Ząbek
Abstract Sarcoids are the most common dermatological tumor of equids worldwide. These fibroblastic tumors rarely regress, more often they remain and can be locally invasive. To explore the functional importance of DNA methylation during the BPV-dependent neoplasia of equine dermal tissues, this study assessed a methylation level of CpG islands (CGIs) in the promoter region of LPAR1, MPZL3, and POPDC2 genes, and within the gene body of the EHF gene, which were found to be differentially expressed in sarcoid samples in a previous study and harbored the differentially methylated sites (DMSs) in their sequences. The results of bisulfite sequencing PCR (BSP) showed a decrease in the methylation levels of CGIs of LPAR1 and EHF genes and an increase in the case of POPDC2. The obtained data did not reveal any changes in the level of DNA methylation in the analyzed promoter region of the MPZL3 gene between the tumor and healthy tissues. Our observations confirm the presence of CpG methylation alternations in the equine sarcoid and provide new insight into a better understanding of the epigenetic regulation of this tumor development.
{"title":"Involvement of aberrant DNA methylation in the deregulated expression of EHF, LPAR1, MPZL3, and POPDC2 genes in equine sarcoids","authors":"E. Semik-Gurgul, A. Gurgul, K. Pawlina-Tyszko, A. Gałuszka, R. Pędziwiatr, Maciej Witkowski, T. Ząbek","doi":"10.2478/aoas-2023-0078","DOIUrl":"https://doi.org/10.2478/aoas-2023-0078","url":null,"abstract":"Abstract Sarcoids are the most common dermatological tumor of equids worldwide. These fibroblastic tumors rarely regress, more often they remain and can be locally invasive. To explore the functional importance of DNA methylation during the BPV-dependent neoplasia of equine dermal tissues, this study assessed a methylation level of CpG islands (CGIs) in the promoter region of LPAR1, MPZL3, and POPDC2 genes, and within the gene body of the EHF gene, which were found to be differentially expressed in sarcoid samples in a previous study and harbored the differentially methylated sites (DMSs) in their sequences. The results of bisulfite sequencing PCR (BSP) showed a decrease in the methylation levels of CGIs of LPAR1 and EHF genes and an increase in the case of POPDC2. The obtained data did not reveal any changes in the level of DNA methylation in the analyzed promoter region of the MPZL3 gene between the tumor and healthy tissues. Our observations confirm the presence of CpG methylation alternations in the equine sarcoid and provide new insight into a better understanding of the epigenetic regulation of this tumor development.","PeriodicalId":8235,"journal":{"name":"Annals of Animal Science","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42515725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abstract The simulation of investment strategies with different farm-scale scenarios has been evaluated for best management plan in cage farming business for the establishment of a salmon production with either full capacity – or progressive investment. Economical revenues were analyzed with business risk assessment based on operating-and fixed costs for each of the four scenarios. In the theoretical model projected for the stimulation of best management plans, structural elements for the construction of an offshore Turkish salmon farm in the Black Sea were designed and investment costs for an annual production capacity of 4,000 tons were re-scaled by 25, 50 and 75% reduction, corresponding to 3,000, 2,000 and 1,000 tons per year, respectively. Economic variables of operational costs were comparatively evaluated with the revenues and annual profit conditions by sales of harvested fish. The break-even points for all investment strategies with different farm-scale scenarios were remarkably lower (on average 302,574.7 kg/year) than the harvest yields from the farms (on average 3,702,857.1 kg/year). Based on break-even points and margin of safety (MOS over 85%), all farms gained net profits with low risks in the first year, whether the farm received full investment, or initiated business with reduced investment expenditures for a gradual and progressive expansion plan. Findings of this study exhibit useful indications for farm management in understanding conditions of a step-wise establishment of business plans for salmon farming in offshore conditions.
{"title":"Assessment of initial investment strategies for different farm-scale scenarios with economic cost analyses in offshore salmon farming","authors":"Ümüt Yigit","doi":"10.2478/aoas-2023-0066","DOIUrl":"https://doi.org/10.2478/aoas-2023-0066","url":null,"abstract":"Abstract The simulation of investment strategies with different farm-scale scenarios has been evaluated for best management plan in cage farming business for the establishment of a salmon production with either full capacity – or progressive investment. Economical revenues were analyzed with business risk assessment based on operating-and fixed costs for each of the four scenarios. In the theoretical model projected for the stimulation of best management plans, structural elements for the construction of an offshore Turkish salmon farm in the Black Sea were designed and investment costs for an annual production capacity of 4,000 tons were re-scaled by 25, 50 and 75% reduction, corresponding to 3,000, 2,000 and 1,000 tons per year, respectively. Economic variables of operational costs were comparatively evaluated with the revenues and annual profit conditions by sales of harvested fish. The break-even points for all investment strategies with different farm-scale scenarios were remarkably lower (on average 302,574.7 kg/year) than the harvest yields from the farms (on average 3,702,857.1 kg/year). Based on break-even points and margin of safety (MOS over 85%), all farms gained net profits with low risks in the first year, whether the farm received full investment, or initiated business with reduced investment expenditures for a gradual and progressive expansion plan. Findings of this study exhibit useful indications for farm management in understanding conditions of a step-wise establishment of business plans for salmon farming in offshore conditions.","PeriodicalId":8235,"journal":{"name":"Annals of Animal Science","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2023-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44484810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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