Summary This article presents trends in olive oil consumption in the Mediterranean countries. The objective is to observe changes in the production and consumption of olive oil around the world, with a focus on a few Mediterranean countries, particularly Algeria. The analytical and synthetic study allowed us to examine the consumers’ attitudes towards olive oil in the countries considered (price, frequency of consumption and type of product). In Algeria, for example, 72.6% of consumers believe oils, and especially olive oil, among very expensive foods; Olive oil ranks 28th among the daily food preferences and preferences of most Algerian consumers (0.25%). An Algerian consumes in general 4g of olive oil per day. Finally, the comparative study allows us to position the model of Algerian consumption of olive oil in the Mediterranean and we propose some marketing strategies which can be adopted in order to increase the consumption and develop the sector of olive oil in Algeria.
{"title":"The Olive Oil Market in the Mediterranean: What are Marketing Strategies for Algeria?","authors":"Kamel Chikhi, Mounsif Charaf-Eddine Bendi Djelloul","doi":"10.2478/contagri-2022-0005","DOIUrl":"https://doi.org/10.2478/contagri-2022-0005","url":null,"abstract":"Summary This article presents trends in olive oil consumption in the Mediterranean countries. The objective is to observe changes in the production and consumption of olive oil around the world, with a focus on a few Mediterranean countries, particularly Algeria. The analytical and synthetic study allowed us to examine the consumers’ attitudes towards olive oil in the countries considered (price, frequency of consumption and type of product). In Algeria, for example, 72.6% of consumers believe oils, and especially olive oil, among very expensive foods; Olive oil ranks 28th among the daily food preferences and preferences of most Algerian consumers (0.25%). An Algerian consumes in general 4g of olive oil per day. Finally, the comparative study allows us to position the model of Algerian consumption of olive oil in the Mediterranean and we propose some marketing strategies which can be adopted in order to increase the consumption and develop the sector of olive oil in Algeria.","PeriodicalId":221412,"journal":{"name":"Contemporary Agriculture","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126530490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-05-31DOI: 10.2478/contagri-2022-0004
B. Stojanovic, A. Simić, N. Đorđević, A. Bozickovic, V. Davidovic, A. Ivetic
Summary A cutting trial was conducted to determine the nutritional value, crude protein (CP) fractions distribution and CP ruminal degradability of white clover (Trifolium repens L.) and Kentucky bluegrass (Poa pratensis L.) as the dominant species of permanent grassland. The legume and grass herbage was obtained in the field experiment carried out on pasture throughout a spring growth season where rotational grazing was simulated using three consecutive cuts, which were compared. The fractionation of CP, according to Cornell Net Carbohydrate and Protein System (CNCPS v6.5), was used to predict protein degradability of the legume and grass forage. A significant (p <0.05) lowering of the CP content in the legume and grass herbage was found, while NDF (neutral detergent fiber) and ADF (acid detergent fiber) significantly increased (p <0.05) as the spring growth season progressed. A significant decrease (p <0.05) of fractions A1 and A2 was noted in the legume and grass herbage, with a significant (p <0.05) increase of CP fractions B2 and C as the vegetation season progressed. A higher rumen degradable protein (RDP) content (p <0.05) of white clover and Kentucky bluegrass herbage was obtained in the first harvest, compared with the second and third one. Significantly larger values (p <0.05) of net energy were observed in the white clover and Kentucky bluegrass forage obtained from the first cut, compared with later regrowths, and white clover was characterized by a higher energy content of 12.4–33.1% (dry matter basis), relative to Kentucky bluegrass.
{"title":"Estimation of Nutritive Value and Protein Degradability of Trifolium Repens and Poa Pratensis as the Dominant Pasture Species, Under Simulated Rotational Grazing","authors":"B. Stojanovic, A. Simić, N. Đorđević, A. Bozickovic, V. Davidovic, A. Ivetic","doi":"10.2478/contagri-2022-0004","DOIUrl":"https://doi.org/10.2478/contagri-2022-0004","url":null,"abstract":"Summary A cutting trial was conducted to determine the nutritional value, crude protein (CP) fractions distribution and CP ruminal degradability of white clover (Trifolium repens L.) and Kentucky bluegrass (Poa pratensis L.) as the dominant species of permanent grassland. The legume and grass herbage was obtained in the field experiment carried out on pasture throughout a spring growth season where rotational grazing was simulated using three consecutive cuts, which were compared. The fractionation of CP, according to Cornell Net Carbohydrate and Protein System (CNCPS v6.5), was used to predict protein degradability of the legume and grass forage. A significant (p <0.05) lowering of the CP content in the legume and grass herbage was found, while NDF (neutral detergent fiber) and ADF (acid detergent fiber) significantly increased (p <0.05) as the spring growth season progressed. A significant decrease (p <0.05) of fractions A1 and A2 was noted in the legume and grass herbage, with a significant (p <0.05) increase of CP fractions B2 and C as the vegetation season progressed. A higher rumen degradable protein (RDP) content (p <0.05) of white clover and Kentucky bluegrass herbage was obtained in the first harvest, compared with the second and third one. Significantly larger values (p <0.05) of net energy were observed in the white clover and Kentucky bluegrass forage obtained from the first cut, compared with later regrowths, and white clover was characterized by a higher energy content of 12.4–33.1% (dry matter basis), relative to Kentucky bluegrass.","PeriodicalId":221412,"journal":{"name":"Contemporary Agriculture","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124578778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-05-31DOI: 10.2478/contagri-2022-0011
Nuren Olawole Olasunkanmi, I. O. Ogunwande, O. A. Thompson, J. Afolabi, N. Sofoluwe
Summary The purpose of this study is to examine the determinants of integrated pest management (IPM) adoption among maize farmers in Southwest Nigeria. A multistage sampling technique was used to collect information from 360 respondents (namely 180 adopters and 180 non-adopters of IPM) from Osun and Ekiti States, Nigeria. The data collected were analyzed using descriptive statistics and probit regression models. The descriptive statistics results obtained on the respondents’ awareness of IPM practices indicate that a majority (74.2%) of the respondents are aware of IPM practices. Most of the respondents (98.9%) were categorized as adopters of IPM. The probit regression analysis results revealed that the respondent’s gender, farm size, access to enough credit, land ownership and the environmental impact of IPM were significant coefficients, potentially increasing the adoption of IPM at various levels. The findings obtained suggest that the government and financial institutions should assist farmers by offering readily available loans at a low or no interest rate and by making essential inputs available to farmers at a subsidize rate.
{"title":"Determinants of Adoption of Integrated Pest Management Practices Among Maize Farmers in Southwest Nigeria","authors":"Nuren Olawole Olasunkanmi, I. O. Ogunwande, O. A. Thompson, J. Afolabi, N. Sofoluwe","doi":"10.2478/contagri-2022-0011","DOIUrl":"https://doi.org/10.2478/contagri-2022-0011","url":null,"abstract":"Summary The purpose of this study is to examine the determinants of integrated pest management (IPM) adoption among maize farmers in Southwest Nigeria. A multistage sampling technique was used to collect information from 360 respondents (namely 180 adopters and 180 non-adopters of IPM) from Osun and Ekiti States, Nigeria. The data collected were analyzed using descriptive statistics and probit regression models. The descriptive statistics results obtained on the respondents’ awareness of IPM practices indicate that a majority (74.2%) of the respondents are aware of IPM practices. Most of the respondents (98.9%) were categorized as adopters of IPM. The probit regression analysis results revealed that the respondent’s gender, farm size, access to enough credit, land ownership and the environmental impact of IPM were significant coefficients, potentially increasing the adoption of IPM at various levels. The findings obtained suggest that the government and financial institutions should assist farmers by offering readily available loans at a low or no interest rate and by making essential inputs available to farmers at a subsidize rate.","PeriodicalId":221412,"journal":{"name":"Contemporary Agriculture","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114641847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-05-31DOI: 10.2478/contagri-2022-0009
Muhammad Jari Ullah, Mohsin Bashir, Hameed Gul, A. Shahzad, M. Shahzad
Summary Tulip is one of the most beautiful perennial flowering plants which, based on its brilliance and attraction, is ranked at the top among cut flowers. However, bending of the neck, short display life and senescence of the flowers are the major causes that reduce its market value. These problems can be addressed by using different chemicals to prolong the flower display life. The present research was initiated to prolong the display life of tulips by using citric acid and iron sulfate (50, 100, 150 mgL−1) in distilled water containing 2.5% sucrose. Cut stems of tulips were immersed in the diluted solution of citric acid and iron sulfate. The results showed that all the observed parameters varied among the treatments. The solution containing 100 mgL−1 citric acid performed better and resulted in the most extended post-harvest display life (13.34 days), more solution uptake (63.36 mL), maximum flower diameter (57.66 mm), maximum tepal length, width, minimum stem bending and maximum quality of the flower. These characteristics were better also in 150 mgL−1 iron sulfate vase solution, but less effective in comparison. From these results, it can be concluded that the use of citric acid and iron sulfate vase solutions helps in prolonging the vase life of cut tulips and enhances the flower quality attributes.
{"title":"Use of Citric Acid and Iron Sulfate in Promoting Post-Harvest Longevity of Cut Tulips (Tulipa Gesneriana L. Cv. Marylin) in Vase Solutions","authors":"Muhammad Jari Ullah, Mohsin Bashir, Hameed Gul, A. Shahzad, M. Shahzad","doi":"10.2478/contagri-2022-0009","DOIUrl":"https://doi.org/10.2478/contagri-2022-0009","url":null,"abstract":"Summary Tulip is one of the most beautiful perennial flowering plants which, based on its brilliance and attraction, is ranked at the top among cut flowers. However, bending of the neck, short display life and senescence of the flowers are the major causes that reduce its market value. These problems can be addressed by using different chemicals to prolong the flower display life. The present research was initiated to prolong the display life of tulips by using citric acid and iron sulfate (50, 100, 150 mgL−1) in distilled water containing 2.5% sucrose. Cut stems of tulips were immersed in the diluted solution of citric acid and iron sulfate. The results showed that all the observed parameters varied among the treatments. The solution containing 100 mgL−1 citric acid performed better and resulted in the most extended post-harvest display life (13.34 days), more solution uptake (63.36 mL), maximum flower diameter (57.66 mm), maximum tepal length, width, minimum stem bending and maximum quality of the flower. These characteristics were better also in 150 mgL−1 iron sulfate vase solution, but less effective in comparison. From these results, it can be concluded that the use of citric acid and iron sulfate vase solutions helps in prolonging the vase life of cut tulips and enhances the flower quality attributes.","PeriodicalId":221412,"journal":{"name":"Contemporary Agriculture","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129424306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-05-31DOI: 10.2478/contagri-2022-0013
M. Krstić, V. Mladenov, Nemanja Ćuk, Jelena Ovuka, S. Gvozdenac, J. Krstić, V. Miklič
Summary As plant breeding is a very complex and sophisticated process, it is of paramount importance to understand the nature and magnitude of interdependence between specific plant features. Using PCA and correlation analysis, this study examined the variability in features of two types of inbred sunflower lines and determined its connection with their seed yields. The experiment was conducted as a randomized complete block design with four replications in Rimski Šančevi (the experimental field of the Institute of Field and Vegetable Crops in Novi Sad) in 2018 and 2019. It examined a total of nine inbred sunflower lines created at the Institute of Field and Vegetable Crops in Novi Sad. The results obtained suggest a high degree of variability in the examined traits of inbred sunflower lines considered, whereas the significance indicated by the F test was confirmed by the Duncan test performed. A high degree of variability was also found between the different types of inbred lines considered. A positive correlation was found between all four traits observed in the inbred sunflower lines considered, with different levels of significance. A statistically significant positive increase in the head diameter was followed by an increase in the weight of 1000 seeds, which generated a higher seed yield per unit area. According to the arrangement of different types of inbred lines considered on the PCA biplot, it can be concluded that the linoleic inbred lines G7L and G8L had the highest average values of the 1000-seed weight, head diameter and seed yield throughout the course of both experimental years. The useful data obtained by PCA analysis can facilitate successful selection programs aimed at developing sunflower genotypes that possess high stability and seed yields.
{"title":"Agro-Morphological Traits of Inbred Sunflower Lines and their Genetic Assessment","authors":"M. Krstić, V. Mladenov, Nemanja Ćuk, Jelena Ovuka, S. Gvozdenac, J. Krstić, V. Miklič","doi":"10.2478/contagri-2022-0013","DOIUrl":"https://doi.org/10.2478/contagri-2022-0013","url":null,"abstract":"Summary As plant breeding is a very complex and sophisticated process, it is of paramount importance to understand the nature and magnitude of interdependence between specific plant features. Using PCA and correlation analysis, this study examined the variability in features of two types of inbred sunflower lines and determined its connection with their seed yields. The experiment was conducted as a randomized complete block design with four replications in Rimski Šančevi (the experimental field of the Institute of Field and Vegetable Crops in Novi Sad) in 2018 and 2019. It examined a total of nine inbred sunflower lines created at the Institute of Field and Vegetable Crops in Novi Sad. The results obtained suggest a high degree of variability in the examined traits of inbred sunflower lines considered, whereas the significance indicated by the F test was confirmed by the Duncan test performed. A high degree of variability was also found between the different types of inbred lines considered. A positive correlation was found between all four traits observed in the inbred sunflower lines considered, with different levels of significance. A statistically significant positive increase in the head diameter was followed by an increase in the weight of 1000 seeds, which generated a higher seed yield per unit area. According to the arrangement of different types of inbred lines considered on the PCA biplot, it can be concluded that the linoleic inbred lines G7L and G8L had the highest average values of the 1000-seed weight, head diameter and seed yield throughout the course of both experimental years. The useful data obtained by PCA analysis can facilitate successful selection programs aimed at developing sunflower genotypes that possess high stability and seed yields.","PeriodicalId":221412,"journal":{"name":"Contemporary Agriculture","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128900099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-05-31DOI: 10.2478/contagri-2022-0010
A. Miljatović, V. Vukoje
Summary This paper deals with production and economic results of small-scale farms in the Republic of Serbia. Small-scale farms include farms with standard output value from 4,000 to 25,000 euros. The main aim of the paper is to determine and evaluate profitability and productivity of farms engaged in different types of farming. Economic viability of farms was determined based on profitability and productivity indicators. Although these indicators are not the only indicators of economic viability, they are most commonly used and the most reliable. The farms are divided into seven groups of farming: field crops, horticulture, vineyards and fruits, dairy production, livestock production – grazing livestock, granivores, mixed crops–livestock. The analysis was based on FADN data for a 5-year period (2015-2019). The number of farms in the sample was increasing over the years, reaching 1,655 in 2019, while a large number of them belonged to a class of small-scale farms (48.5%). Utilised agricultural area on average ranged from 9.2 ha to 10.8 ha per farm. The highest labour input was recorded in horticulture (2.5 – 4.0 AWU), while the lowest labour input was determined for field crops (1.5 – 2.0 AWU). The values of profitability and productivtity indicators were the highest for horticulture farms, which had the highest ROE indicator (0.257) and FNVA per AWU (11.4 thousands euros) in 2019. On the other hand, farms involved in grazing livestock had the lowest results, with ROE of 0.127 and FNVA per AWU of 6.4 thousands euros in 2019. As expected, more intensive types of farming (horticulture and granivores) achieved better results, so these farms are considered as more economically viable. Furthermore, less intensive types of farming (grazing livestock and mixed crops-livestock) should make better use of natural and internal resources, while farmers, especially younger ones, should withdraw from traditional and old-fashioned ways of production and be more innovative and creative in farm management.
{"title":"Assessment of Economic Viability of Small-Scale Farms in Serbia","authors":"A. Miljatović, V. Vukoje","doi":"10.2478/contagri-2022-0010","DOIUrl":"https://doi.org/10.2478/contagri-2022-0010","url":null,"abstract":"Summary This paper deals with production and economic results of small-scale farms in the Republic of Serbia. Small-scale farms include farms with standard output value from 4,000 to 25,000 euros. The main aim of the paper is to determine and evaluate profitability and productivity of farms engaged in different types of farming. Economic viability of farms was determined based on profitability and productivity indicators. Although these indicators are not the only indicators of economic viability, they are most commonly used and the most reliable. The farms are divided into seven groups of farming: field crops, horticulture, vineyards and fruits, dairy production, livestock production – grazing livestock, granivores, mixed crops–livestock. The analysis was based on FADN data for a 5-year period (2015-2019). The number of farms in the sample was increasing over the years, reaching 1,655 in 2019, while a large number of them belonged to a class of small-scale farms (48.5%). Utilised agricultural area on average ranged from 9.2 ha to 10.8 ha per farm. The highest labour input was recorded in horticulture (2.5 – 4.0 AWU), while the lowest labour input was determined for field crops (1.5 – 2.0 AWU). The values of profitability and productivtity indicators were the highest for horticulture farms, which had the highest ROE indicator (0.257) and FNVA per AWU (11.4 thousands euros) in 2019. On the other hand, farms involved in grazing livestock had the lowest results, with ROE of 0.127 and FNVA per AWU of 6.4 thousands euros in 2019. As expected, more intensive types of farming (horticulture and granivores) achieved better results, so these farms are considered as more economically viable. Furthermore, less intensive types of farming (grazing livestock and mixed crops-livestock) should make better use of natural and internal resources, while farmers, especially younger ones, should withdraw from traditional and old-fashioned ways of production and be more innovative and creative in farm management.","PeriodicalId":221412,"journal":{"name":"Contemporary Agriculture","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122596901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-05-31DOI: 10.2478/contagri-2022-0001
U. C. Isaac, E. U. Kalu, Jennifer Onyinyechi Oriaku, M. Ogwuegbu, J. Ezea, O. M. Obike
Summary The purpose of this paper is to determine the effects of four genotypes and four different quantitative feeding regimes on the post-weaning average feed intake (AFI), body weight (BW), weight gain (WG) and feed conversion ratio (FCR) of 48 unsexed weaner rabbits. At weaning, a total of 3 rabbits from each genotype considered, namely the purebred Chinchilla and New Zealand White (CH x CH, NZW x NZW) and their reciprocal crossbreds (CH x NZW, NZW x CH), were randomly assigned to four feeding regimes: ad libitum concentrate + ad libitum forage (A), ad libitum concentrate + 30% restricted forage (B), 30% restricted concentrate + ad libitum forage (C), and 30% restricted concentrate + 30% restricted forage (D). The data were subjected to a two-way analysis of variance in a completely randomized design appropriate for a 4x4 factorial experiment. The experiment was conducted over a period of 5 weeks: from 7 to 11 weeks post-weaning. The AFI values obtained from the interactions between CH x CH and the C feeding regime at 7 weeks post-weaning (366.50 ± 1.50 g), and between NZW x NZW and the B feeding regime at 8 weeks (324.00 ± 1. 00 g) and 10 weeks post-weaning (336.50 ± 0.00 g) were similar, but differed significantly (P < 0.05) from the rest. The lowest significant AFI values (P < 0.05) at all ages and FCR values (3.46 ± 0.33) at 9 weeks post-weaning were obtained from NZW x NZW, whereas the highest BW values at 9-11 weeks post-weaning was obtained from CH x CH. The lowest significant AFI values (P < 0.05) were recorded in the B feeding regime at 7-11 weeks post-weaning, as well as the highest BW and WG values in the A feeding regime at 8–11 and 11 weeks post-weaning, respectively. Moreover, the highest significant BW values (781.25 ± 7.83) were recorded in the C feeding regime at 7 weeks post-weaning. It was concluded that the interactions between CH x CH and the C feeding regime and between NZW x NZW and the B feeding regime can significantly reduce the overall feed intake, thus invariably increasing profit in rabbit production.
本试验旨在研究4种基因型和4种不同定量饲喂方式对48只无性断奶兔断奶后平均采食量(AFI)、体重(BW)、增重(WG)和饲料系数(FCR)的影响。断奶时，每种基因型的3只兔，即纯种青鼠和新西兰白(CH x CH, NZW x NZW)及其杂交品种(CH x NZW, NZW x CH)，随机分为4种喂养方案:任意浓缩料+任意饲料(A)、任意浓缩料+ 30%限制性饲料(B)、30%限制性浓缩料+任意饲料(C)、30%限制性浓缩料+ 30%限制性饲料(D)。采用适合4x4析因试验的完全随机设计，进行双向方差分析。试验为期5周，即断奶后7 ~ 11周。断奶后7周CH × CH与C饲喂方式相互作用的AFI值(366.50±1.50 g)， 8周NZW × NZW与B饲喂方式相互作用的AFI值(324.00±1)。断奶后10周(336.50±0.00 g)与其他组比较，差异显著(P < 0.05)。最低的重要AFI值(P < 0.05)所有年龄段和货代值(3.46±0.33)在9周post-weaning获得NZW x NZW,而最高的BW值在9 - 11周post-weaning获得CH x CH。最低的重要AFI值(P < 0.05)记录在7 - 11周post-weaning B喂养政权,以及最高的BW和WG值在8 - 11和11周post-weaning喂养政权,分别。断奶后7周，C饲喂组的显著体重值(781.25±7.83)最高。综上所述，CH × CH与C饲喂方式以及NZW × NZW与B饲喂方式的相互作用可以显著降低兔的总采食量，从而提高兔的生产利润。
{"title":"Effects of Genotype and Quantitative Feed Restriction on the Post-weaning Growth Traits of Rabbits","authors":"U. C. Isaac, E. U. Kalu, Jennifer Onyinyechi Oriaku, M. Ogwuegbu, J. Ezea, O. M. Obike","doi":"10.2478/contagri-2022-0001","DOIUrl":"https://doi.org/10.2478/contagri-2022-0001","url":null,"abstract":"Summary The purpose of this paper is to determine the effects of four genotypes and four different quantitative feeding regimes on the post-weaning average feed intake (AFI), body weight (BW), weight gain (WG) and feed conversion ratio (FCR) of 48 unsexed weaner rabbits. At weaning, a total of 3 rabbits from each genotype considered, namely the purebred Chinchilla and New Zealand White (CH x CH, NZW x NZW) and their reciprocal crossbreds (CH x NZW, NZW x CH), were randomly assigned to four feeding regimes: ad libitum concentrate + ad libitum forage (A), ad libitum concentrate + 30% restricted forage (B), 30% restricted concentrate + ad libitum forage (C), and 30% restricted concentrate + 30% restricted forage (D). The data were subjected to a two-way analysis of variance in a completely randomized design appropriate for a 4x4 factorial experiment. The experiment was conducted over a period of 5 weeks: from 7 to 11 weeks post-weaning. The AFI values obtained from the interactions between CH x CH and the C feeding regime at 7 weeks post-weaning (366.50 ± 1.50 g), and between NZW x NZW and the B feeding regime at 8 weeks (324.00 ± 1. 00 g) and 10 weeks post-weaning (336.50 ± 0.00 g) were similar, but differed significantly (P < 0.05) from the rest. The lowest significant AFI values (P < 0.05) at all ages and FCR values (3.46 ± 0.33) at 9 weeks post-weaning were obtained from NZW x NZW, whereas the highest BW values at 9-11 weeks post-weaning was obtained from CH x CH. The lowest significant AFI values (P < 0.05) were recorded in the B feeding regime at 7-11 weeks post-weaning, as well as the highest BW and WG values in the A feeding regime at 8–11 and 11 weeks post-weaning, respectively. Moreover, the highest significant BW values (781.25 ± 7.83) were recorded in the C feeding regime at 7 weeks post-weaning. It was concluded that the interactions between CH x CH and the C feeding regime and between NZW x NZW and the B feeding regime can significantly reduce the overall feed intake, thus invariably increasing profit in rabbit production.","PeriodicalId":221412,"journal":{"name":"Contemporary Agriculture","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126184813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-05-31DOI: 10.2478/contagri-2022-0008
D. Milić, Dragana Tekić, T. Novaković, V. Zekić, Milana Popov, Zlata Mihajlov
Summary The purpose of this paper is to examine different methods of creditworthiness assessment and bankruptcy prediction in the case of agricultural and food companies in Vojvodina, Serbia. The analysis performed was based on the 2015–2019 financial reports of micro-sized, small-sized and medium-sized agricultural and food companies considered. A total of two models were applied in this study: the Altman’s Z’-score model and the Kralicek’s Quick test. The Altman’s Z’-score model results obtained indicate that the micro-sized agricultural companies were at greater risk of bankruptcy, whereas the small- and medium-sized companies were found stable. However, the Kralicek’s Quick test results obtained show that all the agricultural companies considered had good financial stability and solid businesses. The Altman’s Z’-score model results obtained for the food companies considered indicate that the micro- and small-sized food companies were endangered, whereas the medium-sized food companies were not at risk of bankruptcy. Moreover, the Kralicek’s Quick test results obtained show that all the food companies considered operated successfully with no risk of bankruptcy.
{"title":"Credit Rating of Agricultural and Food Companies in Vojvodina","authors":"D. Milić, Dragana Tekić, T. Novaković, V. Zekić, Milana Popov, Zlata Mihajlov","doi":"10.2478/contagri-2022-0008","DOIUrl":"https://doi.org/10.2478/contagri-2022-0008","url":null,"abstract":"Summary The purpose of this paper is to examine different methods of creditworthiness assessment and bankruptcy prediction in the case of agricultural and food companies in Vojvodina, Serbia. The analysis performed was based on the 2015–2019 financial reports of micro-sized, small-sized and medium-sized agricultural and food companies considered. A total of two models were applied in this study: the Altman’s Z’-score model and the Kralicek’s Quick test. The Altman’s Z’-score model results obtained indicate that the micro-sized agricultural companies were at greater risk of bankruptcy, whereas the small- and medium-sized companies were found stable. However, the Kralicek’s Quick test results obtained show that all the agricultural companies considered had good financial stability and solid businesses. The Altman’s Z’-score model results obtained for the food companies considered indicate that the micro- and small-sized food companies were endangered, whereas the medium-sized food companies were not at risk of bankruptcy. Moreover, the Kralicek’s Quick test results obtained show that all the food companies considered operated successfully with no risk of bankruptcy.","PeriodicalId":221412,"journal":{"name":"Contemporary Agriculture","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127929041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-05-31DOI: 10.2478/contagri-2022-0019
D. Beuković, Igor Obranović, M. Vukadinović, Z. Popović, M. P. Horvatović, V. Lavadinović, M. Beuković
Summary The purpose of this study is to compare the specifics of winter and spring diets of the roe deer using rumen content analysis. A chemical analysis was performed on a total of 13 samples of roe deer rumen contents: 7 samples of winter diet rumen contents and 6 samples of spring diet rumen contents. The following parameters were examined in this study: the level of crude protein and the content of fiber (NDF, ADF and ADL). The results obtained were processed by descriptive statistics and compared using F-tests. Consequently, certain deviations in the quality of roe deer nutrition were found in both winter and spring periods of the year. A lack of protein and energy can pose significant problems to roe deer, especially in the cooler periods of the year. Approximately a total of 17MJ/day is the maximum assumed energy required for animals kept in enclosure. The need for crude protein varies from 30.8% to 34.4% DM. This problem can be tackled if roe deer are adequately fed with quality bulky and concentrated feed, despite the fact that the animals adapt metabolically to seasonal variations.
{"title":"The Quality of Roe Deer (Capreolus Capreolus) Diet in the Winter and Spring Periods Based on Rumen Contents","authors":"D. Beuković, Igor Obranović, M. Vukadinović, Z. Popović, M. P. Horvatović, V. Lavadinović, M. Beuković","doi":"10.2478/contagri-2022-0019","DOIUrl":"https://doi.org/10.2478/contagri-2022-0019","url":null,"abstract":"Summary The purpose of this study is to compare the specifics of winter and spring diets of the roe deer using rumen content analysis. A chemical analysis was performed on a total of 13 samples of roe deer rumen contents: 7 samples of winter diet rumen contents and 6 samples of spring diet rumen contents. The following parameters were examined in this study: the level of crude protein and the content of fiber (NDF, ADF and ADL). The results obtained were processed by descriptive statistics and compared using F-tests. Consequently, certain deviations in the quality of roe deer nutrition were found in both winter and spring periods of the year. A lack of protein and energy can pose significant problems to roe deer, especially in the cooler periods of the year. Approximately a total of 17MJ/day is the maximum assumed energy required for animals kept in enclosure. The need for crude protein varies from 30.8% to 34.4% DM. This problem can be tackled if roe deer are adequately fed with quality bulky and concentrated feed, despite the fact that the animals adapt metabolically to seasonal variations.","PeriodicalId":221412,"journal":{"name":"Contemporary Agriculture","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129497518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-11-20DOI: 10.2478/contagri-2021-0019
M. Ivković, S. Krstović, M. Polovinski-Horvatović, D. Beuković, I. Pihler, D. Glamočić
Summary Wheat grain is commonly used for animal feeding in some regions while it is rarely used in others. Its nutrient composition is quite similar to more commonly used corn grain, but there are some concerns regarding its effect on animal performance and health. However, it appears that usage of wheat grain in animal feeding is dominantly affected by economic rather than nutritional reasons. When used with caution, wheat can be a good alternative to corn. In order to test this, 20 Wurttemberg lambs, three months old, were randomly separated in two groups and fed diets containing 600 g of corn grain, or 300 g of corn grain and 300 g of wheat grain, for a period of one month. The used grains were whole, non processed grains. Two diets contained the same commercial protein supplement and alfalfa hay was offered ad libitum. Both groups accepted their experimental diet well and readily consumed the amounts offered. No health problems were observed. Growth rate was higher in male than in female lambs, but was not affected by wheat inclusion.
{"title":"Effect of Partial Substitution of Corn with Whole-Grain Wheat in Fattening Lamb Diets on their Growth Performance","authors":"M. Ivković, S. Krstović, M. Polovinski-Horvatović, D. Beuković, I. Pihler, D. Glamočić","doi":"10.2478/contagri-2021-0019","DOIUrl":"https://doi.org/10.2478/contagri-2021-0019","url":null,"abstract":"Summary Wheat grain is commonly used for animal feeding in some regions while it is rarely used in others. Its nutrient composition is quite similar to more commonly used corn grain, but there are some concerns regarding its effect on animal performance and health. However, it appears that usage of wheat grain in animal feeding is dominantly affected by economic rather than nutritional reasons. When used with caution, wheat can be a good alternative to corn. In order to test this, 20 Wurttemberg lambs, three months old, were randomly separated in two groups and fed diets containing 600 g of corn grain, or 300 g of corn grain and 300 g of wheat grain, for a period of one month. The used grains were whole, non processed grains. Two diets contained the same commercial protein supplement and alfalfa hay was offered ad libitum. Both groups accepted their experimental diet well and readily consumed the amounts offered. No health problems were observed. Growth rate was higher in male than in female lambs, but was not affected by wheat inclusion.","PeriodicalId":221412,"journal":{"name":"Contemporary Agriculture","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131341735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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