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Value addition of low fat chicken sausage with rice and wheat flour 米小麦粉低脂鸡肠的附加值研究
Pub Date : 2020-04-23 DOI: 10.3329/bjas.v48i2.46763
M. Rokib, M. Habib, M. Hashem, Ali
The study was conducted to evaluate the effect of rice and wheat flours on low fat chicken sausages. Sausages were prepared into three different groups: control; broiler breast meat sausage without any flour (T1), sausage with addition of 10% rice flour (T2) &10% wheat flour (T3). All parameters were analyzed at 0, 15 and 30 days of storage period. The proximate compositions of different sausages were analyzed and highly significant (p<0.01) differences were found in DM (%) and CP (%). Significantly (p<0.01) lower DM (%) and higher CP (%) was found in T1. Both DM (%) and CP (%) content were increased with increase of storage time. The storage period have significant (p<0.01) effect on different biochemical (FFA, POV and TBARS value) and microbial (TVC, TCC and TYMC) test. In both cases the values were increased with increase of storage period. Different types of sausage and storage period have an effect on redness (a*) value. In sensory analysis, significantly lower flavor, juiciness and tenderness were found in T1. Although flavzAQAor, juiciness and tenderness were varied during sensory evaluation, overall acceptability did not differ among the three treatments. Results of this study revealed that low fat chicken sausages can be made with 10% rice and wheat flour without lowering the overall acceptability.
这项研究是为了评估大米和小麦粉对低脂鸡肉香肠的影响。香肠被分成三组:对照组;不含面粉的肉鸡胸肉香肠(T1),添加10%米粉(T2)和10%小麦粉(T3)的香肠。在贮藏期0、15、30 d时对各项参数进行分析。对不同香肠的近似组成进行分析,发现DM(%)和CP(%)差异极显著(p<0.01)。T1期DM(%)降低,CP(%)升高,差异有统计学意义(p<0.01)。DM(%)和CP(%)含量均随贮藏时间的延长而增加。贮藏期对不同生化指标(FFA、POV、TBARS)和微生物指标(TVC、TCC、TYMC)均有显著影响(p<0.01)。在这两种情况下,随着贮藏期的增加,其值均增加。不同的香肠种类和存放时间对红度(a*)值有影响。在感官分析中,T1的风味、多汁性和嫩度明显降低。虽然在感官评价中风味、多汁性和嫩度有所不同,但三种处理的总体可接受性没有差异。这项研究的结果表明,低脂鸡肉香肠可以用10%的大米和小麦粉制成,而不会降低整体的可接受性。
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引用次数: 4
Effect of concentrate supplementation during transition period on production and reproduction of indigenous buffalo 过渡时期补饲精料对土著水牛生产和繁殖的影响
Pub Date : 2020-01-01 DOI: 10.3329/bjas.v49i1.49385
M. Habib, Islam Mz, M. Bari, M. Sarker, M. Rashid, Manzarul Islam
This study was to investigate the impact of concentrate supplementation on the growth, milk yield and quality, postpartum heat period and days open in transient buffalo. Hence, six selected indigenous transient buffaloes were equally divided into two groups viz. control (n=3) and supplemented (n=3). About 56.0 kg mixed green fodders (Para:German=3:1) and 2.0 kg concentrate mixtures were offered as a basal diet to each buffalo. Besides these, an additional amount (0.5 kg) of concentrate mixture (wheat bran-50%, mustard oil cake-40%, common salt-2% and di-calcium phosphate-8%) was supplied to each buffalo of the supplemented group. The dry matter intake of the supplemented buffalo was 2.5 and 2% higher (p<0.001) at preand post-partum period, respectively than that of the control fed buffalo. Preand post-partum body weight, and body condition score of buffaloes between the group were found similar (p>0.05). About 20% more (p=0.02) milk was obtained in the supplemented group compared to the control group, however, the milk composition was not different (p>0.05). Calf birth weight was found ≈10% higher (p=0.51) in the supplemented group than that of the control group. Postpartum heat period and days open of the supplemented buffaloes were reduced remarkably by 13 and 14 days, respectively compared to the buffaloes in control group. Overall, concentrate supplementation to the transient indigenous buffaloes has noteworthy effects on milk yield, postpartum heat period and days open.
本试验旨在研究饲粮中添加精料对瞬态水牛生长、产奶量和品质、产后发热期和开乳天数的影响。因此,选择6头本地瞬变水牛平均分为两组,即对照组(n=3)和补充组(n=3)。每头水牛基础饲粮中分别饲喂56.0 kg混合绿色饲料(德国∶3:1)和2.0 kg精料混合物。在此基础上,每头补给量为0.5 kg的精料混合物(麦麸50%、芥菜油饼40%、普通盐2%、磷酸二钙8%)。水牛的干物质采食量分别提高了2.5%和2% (p0.05)。与对照组相比,添加组产奶量增加约20% (p=0.02),但乳成分无显著差异(p>0.05)。与对照组相比,添加组犊牛初生重提高约10% (p=0.51)。与对照组相比,添加组水牛的产后发情期和开盘价分别显著减少了13天和14天。综上所述,饲粮中添加精料对瞬时土水牛产奶量、产后发热期和开犊天数均有显著影响。
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引用次数: 2
Genetic relationship among indigenous sheep population of Bangladesh 孟加拉国本地绵羊种群的遗传关系
Pub Date : 2019-12-29 DOI: 10.3329/bjas.v48i1.44553
G. Deb, M. Choudhury, M. Kabir, M. A. Khan, M. Ershaduzzaman, T. N. Nahar, Smj Hossain, M. Alam, M. Alim
The study was conducted to investigate the genetic relationships among indigenous sheep population of Bangladesh (Barind, Jamuna river basin, Coastal and Garole sheep) using microsatellite markers. A total of 96 blood samples were collected from adult sheep of Barind (24), Jamuna River Basin (24), Coastal (24), Garole(10) and available Chotanagpuri (10) sheep. Chotanagpuri sheep was used as an outgroup population. DNA was extracted from blood samples using QIAGEN DNA Mini extraction kit and was quantified using a nanodrop. FAO recommended 13 labeled microsatellite markers were used for polymerase chain reaction (PCR). PCR product was confirmed by 2% agarose gel electrophoresis and visualized by staining with ethidium bromide.The exact allele sizes in each primer were determined by GeneMaker V1.85 demo. Microsatellite tool kit and Dispan software package were used for calculation of allele frequency, number of alleles per locus, observed and expected heterozygosity and genetic distances (DA). The Dispan software was used to calculate inter-individual genetic distances. These distance values were used to construct an UPGMA tree. Results showed that average number of polymorphic alleles per locus varied from4 in HUJ616 to 12 in MAF70. Observed heterozygosity was also varied from 0.54±0.04 in Coastal to 0.63±0.03 in Barind sheep population. Genetic distance between Jamuna river basin and Barind was lowest (0.01) and between Garole and Costal was highest (0.17). Garoleand Chotonagpuri sheep has higher genetic distance from other three sheep populations. Phylogenetic dendogram showed that sheep of Jamuna river basin and barind were belonged to same genetic group. Whereas, coastal, garole and Nagpur sheeps were shown higher genetic distances from Jamuna river basin and coastal sheep. Considering findings of this study it may be concluded that the Barind and Jamuna river basin sheep belongs to a similar genetic group while, Garole and Coastal sheep are belonging to two distinct genetic groups. Bang. J. Anim. Sci. 2019. 48 (1): 17-22
本研究利用微卫星标记调查了孟加拉国本地绵羊群体(Barind羊、Jamuna河流域羊、Coastal羊和Garole羊)之间的遗传关系。共采集了Barind(24只)、Jamuna河流域(24只)、Coastal(24只)、Garole(10只)和现有Chotanagpuri(10只)成年羊的96份血液样本。Chotanagpuri羊作为外群。采用QIAGEN DNA Mini提取试剂盒从血样中提取DNA,并采用纳米滴法定量。粮农组织推荐13种标记微卫星标记用于聚合酶链反应(PCR)。PCR产物经2%琼脂糖凝胶电泳确认,溴化乙锭染色显示。每个引物中等位基因的准确大小由GeneMaker V1.85 demo测定。利用Microsatellite tool kit和Dispan软件包计算等位基因频率、每个位点等位基因数、观察杂合度和期望杂合度、遗传距离(DA)。使用Dispan软件计算个体间遗传距离。这些距离值被用来构建UPGMA树。结果表明,HUJ616的平均多态性等位基因数为4个,MAF70的平均多态性等位基因数为12个。沿海羊群体的杂合度为0.54±0.04,巴林羊群体的杂合度为0.63±0.03。jaruna河流域与Barind的遗传距离最小(0.01),Garole河流域与Costal河流域的遗传距离最大(0.17)。加洛羊和乔托纳布里羊与其他三个绵羊群体的遗传距离较高。系统发育树突图显示,贾穆纳河流域羊与巴林羊属于同一遗传群。而沿海羊、加罗尔羊和那格浦尔羊与贾穆纳河流域和沿海羊的遗传距离较高。考虑到本研究的结果,可以得出结论,Barind和Jamuna河流域羊属于一个相似的遗传群,而Garole和Coastal sheep属于两个不同的遗传群。爆炸。j .似的。科学》2019。48 (1): 17-22
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引用次数: 4
Effects of feeding rice gruel based milk replacer on growth, carcass characteristics and rumen development of goat kids 饲喂以米粥为基础的代乳剂对山羊幼山羊生长、胴体特性及瘤胃发育的影响
Pub Date : 2019-12-29 DOI: 10.3329/bjas.v48i1.44560
M. A. Islam, M. Sarker, A. Khatun, M. Amin, M. Moniruzzaman
Supplementation of concentrate feed during late pregnancy of doe is an approach to improve milk yield and kid performance after kidding. The experiment was conducted to find out appropriate level and duration of supplementation to the pregnant doe. The data of the experiment were analyzed applying Completely Randomized Design (CRD) with factorial arrangements with three replications. First factor used in the experiment was the duration of concentrate feeding (15 days, 30 days, 45 days and 60 days) and second was amount of concentrate supplemented (2.00%, 1.75%, 1.50% and 1.25% of their body weight). Birth weight, weaning weight, milk yield and kid mortality in different groups were recorded. Birth weight and weaning weight were found higher in 60 days supplemented group i.e. 2.3±0.23 kg and 10.94±0.41 kg, respectively. Both birth weight and weaning weight were also found higher with 2 percent concentrate feeding group than others i.e. 2.1±0.23 kg and 9.64±0.42 kg, respectively. Milk yield recorded for fourth week shows that higher milk yields were found in 2 percent concentrate supplemented group with 60 days time period. The result showed that by increasing the level of concentrate during late gestation period of does increased the birth weight, weaning weight of kids and increased milk yield of does. So the higher level of concentrate supplementation is required during 45 to 60 days of late gestation in does.
母鹿妊娠后期补饲精料是提高泌乳量和泌乳期羔羊生产性能的一种途径。本试验旨在确定妊娠母鹿适宜的添加量和添加时间。试验资料采用完全随机设计(CRD),因子排列,3个重复。试验以精料饲喂时间(15、30、45、60 d)和精料添加量(体重的2.00%、1.75%、1.50%、1.25%)为第一影响因素。记录各组婴儿出生体重、断奶体重、产奶量和死亡率。60 d添加组仔猪出生体重和断奶体重均高于对照组,分别为2.3±0.23 kg和10.94±0.41 kg。2%精料饲喂组仔猪出生体重(2.1±0.23 kg)和断奶体重(9.64±0.42 kg)均高于其他组。第4周产奶量记录显示,添加2%精料组产奶量较高,添加60 d。结果表明,妊娠后期提高精料水平可提高公羊的初生重、断奶重和产奶量。因此,母猪妊娠后期45 ~ 60天需要添加较高水平的精料。
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引用次数: 1
Effect of Probiotics on production and egg quality of dual purpose chicken at Kathmundu in Nepal 益生菌对尼泊尔加德满都双用途鸡生产和蛋品质的影响
Pub Date : 2019-12-29 DOI: 10.3329/bjas.v48i1.44556
D. Neupane, D. Nepali, N. Devkota, Mp Sharma, IP Kadaria
A total of 448, Sakini (224) and Giriraja (224) breed of chickens were used to investigate the feed intake & weight gain from 0-150 days and egg production and egg quality from 150 – 240 days of age in Khumaltar Lalitpur Nepal. The four different levels of probiotics viz. 0,5, 10 and 15 ml of Probiotic (Poultry biosa)/kg of feed were used with randomized factor design 2*4*8(RBD) with 8 treatments and 8 replications. The data was recorded daily on feed intake and egg production and in every 15 days interval for weight gain. Results showed that the addition of probiotic to the feed significantly improved feed intake, weight gain , egg production and egg quality on sakini and giriraja breeds of chickens(P<0.05). Additionally, data on egg production and egg quality showed increased production in treatment group than control group (P<0.05).The general trend revealed increasing level of egg production from five to eight months with significant difference (P<0.05). Nutrient analysis of eggs by proximate analysis in terms of CP, CF, fat and energy showed significant difference (P<0.05). Thus to conclude, there is positive effect of probiotics for production and productivity in terms of feed conversion ratio, weight gain, egg production & egg quality in Sakini and Giriraja breed of Chicken. Bang. J. Anim. Sci. 2019. 48 (1): 29-35
采用448只萨基尼(224)和吉里拉贾(224)种鸡,研究了尼泊尔库穆塔尔拉利特普尔地区0 ~ 150日龄采食量和增重以及150 ~ 240日龄产蛋量和蛋品质。试验采用2*4*8(RBD)随机因子设计,每kg饲料添加0、5、10和15 ml益生菌(家禽菌素),共8个处理,8个重复。每天记录采食量和产蛋量,每隔15天记录增重数据。结果表明:饲料中添加益生菌显著提高了sakini和girriraja品种鸡的采食量、增重、产蛋量和蛋品质(P<0.05)。产蛋量和蛋品质数据显示,处理组产蛋量显著高于对照组(P<0.05)。总体趋势为产蛋量在5 ~ 8月龄呈提高趋势,差异显著(P<0.05)。采用近似分析法对鸡蛋的粗蛋白质、粗脂肪、脂肪和能量进行营养分析,差异有统计学意义(P<0.05)。综上所述,在Sakini和girriraja两个品种的鸡的饲料系数、增重、产蛋量和蛋品质方面,益生菌对鸡的生产和生产力都有积极的影响。爆炸。j .似的。科学》2019。48 (1): 29-35
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引用次数: 6
Supplementation of concentrate mixture on the production performance of kids during gestation period of doe 添加精料混合物对母鹿妊娠期雏鸡生产性能的影响
Pub Date : 2019-12-29 DOI: 10.3329/bjas.v48i1.44554
S. Ghimire, D. Adhikari, S. Malla, R. Kadel, R. Ghimire
Supplementation of concentrate feed during late pregnancy of doe is an approach to improve milk yield and kid performance after kidding. The experiment was conducted to find out appropriate level and duration of supplementation to the pregnant doe. The data of the experiment were analyzed applying Completely Randomized Design (CRD) with factorial arrangements with three replications. First factor used in the experiment was the duration of concentrate feeding (15 days, 30 days, 45 days and 60 days) and second was amount of concentrate supplemented (2.00%, 1.75%, 1.50% and 1.25% of their body weight). Birth weight, weaning weight, milk yield and kid mortality in different groups were recorded. Birth weight and weaning weight were found higher in 60 days supplemented group i.e. 2.3±0.23 kg and 10.94±0.41 kg, respectively. Both birth weight and weaning weight were also found higher with 2 percent concentrate feeding group than others i.e. 2.1±0.23 kg and 9.64±0.42 kg, respectively. Milk yield recorded for fourth week shows that higher milk yields were found in 2 percent concentrate supplemented group with 60 days time period. The result showed that by increasing the level of concentrate during late gestation period of does increased the birth weight, weaning weight of kids and increased milk yield of does. So the higher level of concentrate supplementation is required during 45 to 60 days of late gestation in does. Bang. J. Anim. Sci. 2019. 48 (1): 23-28
母鹿妊娠后期补饲精料是提高泌乳量和泌乳期羔羊生产性能的一种途径。本试验旨在确定妊娠母鹿适宜的添加量和添加时间。试验资料采用完全随机设计(CRD),因子排列,3个重复。试验以精料饲喂时间(15、30、45、60 d)和精料添加量(体重的2.00%、1.75%、1.50%、1.25%)为第一影响因素。记录各组婴儿出生体重、断奶体重、产奶量和死亡率。60 d添加组仔猪出生体重和断奶体重均高于对照组,分别为2.3±0.23 kg和10.94±0.41 kg。2%精料饲喂组仔猪出生体重(2.1±0.23 kg)和断奶体重(9.64±0.42 kg)均高于其他组。第4周产奶量记录显示,添加2%精料组产奶量较高,添加60 d。结果表明,妊娠后期提高精料水平可提高公羊的初生重、断奶重和产奶量。因此,母猪妊娠后期45 ~ 60天需要添加较高水平的精料。爆炸。j .似的。科学》2019。48 (1): 23-28
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引用次数: 0
Effect of different sources of water on water quality and growth performance of growing bull 不同水源对生长公牛水质及生长性能的影响
Pub Date : 2019-12-29 DOI: 10.3329/bjas.v48i1.44552
M. T. Islam, M. Uddin, K. Islam, M. Sultana
The experiment was conducted to investigate the effect of different sources of water on feed intake and growth performance of growing bull. For this study, sixteen indigenous bulls years age (132.5±20.5 kg of LW), were divided int group. The animals were supplied with four different sources of water viz. Deep Tube Well Water (DTW =T1), Supply Water from reserve tank (SW = T the animals were fed German Grass ( animals were free access to water. Live weight was recorded initially and week interval till end of the feeding trial (12 weeks). The results revealed th growth performance was better in comparison to other treatment groups. Dry matter intake (DMI) was highest for T1 group (3.08 ± 0.08 kg/d) and lowest for T nitrogen free extract (DNFE) and total digestible nutrient (TDN) were higher compared to other groups. The highest daily body weight gain (336.49±59.40 g/d) was observed in T group. Based on the results, it is concluded that deep tube well wa quality which showed positive impact on intake and growth of animals. Further study might be needed to compare the cost involvement for different sources of water and economy of growth of animals
本试验旨在研究不同水源对生长公牛采食量和生长性能的影响。本研究选取16头年龄(132.5±20.5 kg LW)的土着公牛为研究对象。给动物提供四种不同的水源,即深管井水(DTW =T1),备用水箱供水(SW =T),动物喂食德国草(动物自由取水)。记录初试和周间隔至饲喂试验结束(12周)的活重。结果显示,与其他治疗组相比,生长性能更好。干物质采食量(DMI)以T1组最高(3.08±0.08 kg/d),无氮提取物(DNFE)和总可消化养分(TDN)以T1组最低(3.08±0.08 kg/d)。T组日增重最高(336.49±59.40 g/d)。由此得出深管井质量对动物采食量和生长发育有积极影响的结论。可能需要进一步的研究来比较不同水源的成本和动物生长的经济性
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引用次数: 0
Preparation and nutritional evaluation of wastelage using poultry droppings and napier grass 禽畜粪便和草料废弃物的制备及营养评价
Pub Date : 2019-12-29 DOI: 10.3329/bjas.v48i1.44559
Msj Panna, S. S. Islam, A. Kabir, Mj Khan
An experiment was conducted with Napier grass (NG) treated with Poultry droppings (PD) and rice straw and ensiled with molasses to increase the nutritional and preservation quality of Napier grass. Chopped Napier grass was preserved in plastic containers under airtight condition at room temperature based on the treatments T0 (0% PD), T1 (15% PD), T2 (30% PD) and T3 (45% PD) with 5% molasses and 20% rice straw as fresh basis in each treatment to investigate physical quality, chemical composition, in vitro organic matter digestibility (IVOMD) and metabolizable energy (ME) content at 0, 30, 45, 60 and 75 days. The physical quality (color, smell, and hardness) of Napier grass mixer were improved in Poultry droppings added treatments till 75 days of ensiling. The pH value was decreased (P<0.05) with the increasing of PD and ensiling time. The dry matter (DM), crude protein (CP) and ash were increased (P<0.05) and crude fiber (CF) was decreased (P<0.05) in all the treatments (T1, T2 and T3) compared to control one T0. The CP, DM and ash were increased (P<0.05) and CF and EE were decreased (P<0.05) after ensiling. The EE content was not signified (P>0.05) between T1 and T2. The CF content was decreased (P<0.05) with the increase of Poultry droppings and ensiling time. The organic matter digestibility (OMD) and metabolizable energy (ME) content were increased (P<0.05) with the PD level and ensiling time. Considering all the physical and chemical properties, among all the treatments, 30% and 45% PD are acceptable for preparing wastelage. Thus cost effective and environment friendly feed can be prepared.
本试验以家禽粪便(PD)和稻草处理纳皮草(NG),并用糖蜜青贮提高纳皮草的营养和保鲜品质。以5%糖蜜和20%稻秆为新鲜基质,将切碎的纳皮草分别于T0 (0% PD)、T1 (15% PD)、T2 (30% PD)和T3 (45% PD)处理,在室温下密闭保存于塑料容器中,分别于0、30、45、60和75 d测定其物理品质、化学成分、体外有机物消化率(IVOMD)和代谢能(ME)含量。直至青贮75 d,禽粪添加处理均能改善纳皮草料混合料的物理品质(色、味、硬度)。pH值在T1和T2之间降低(P0.05)。CF含量随粪量的增加和青贮时间的延长而降低(P<0.05)。有机质消化率(OMD)和代谢能(ME)含量随PD水平和青贮时间的延长而升高(P<0.05)。综合考虑各种理化性质,在所有处理中,30%和45% PD是可接受的。从而制备出具有成本效益和环境友好的饲料。
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引用次数: 3
Autolyzed Saccharomyces cerevisiae as a single cell protein for broiler diet 自溶酿酒酵母单细胞蛋白在肉鸡饲粮中的应用
Pub Date : 2019-12-29 DOI: 10.3329/bjas.v48i1.44551
M. Moniruzzaman, M. Mollah
Microbial protein often called as single cell proteins (SCP) are becoming a potential alternative to conventional protein rich ingredients in poultry diet. An experiment was conducted to know the possibility of using Saccharomyces cerevisiae derived SCP in broiler diet. A total of 96 male Ross-308 day old chicks were assigned to four diet comprising control (0% replacement), 25% replacement, 50% replacement and 100% replacement of protein concentrate with autolyzed S. cerevisiae. Each group had 6 replicates of 4 chicks in each. Body weight, body weight gain, daily weight gain, feed intake and feed conversion ratio were not affected (P>0.05) in case of 25% and 50% replacements. However, 100% replacement had resulted numerically negative effect as compared to control group. Dressing percentage and other carcass characteristics were not affected (P>0.05) in the replacement groups. The results of this study indicated that autolyzed S. cerevisiae might be used to replace protein concentrate at 25% to 50% level in broiler diet without affecting growth and carcass quality. Bang. J. Anim. Sci. 2019. 48 (1): 1-8
微生物蛋白通常被称为单细胞蛋白(SCP),正在成为家禽饲粮中传统富含蛋白质成分的潜在替代品。本试验旨在探讨酿酒酵母衍生SCP在肉鸡饲粮中应用的可能性。选取96只罗斯-308日龄雄性雏鸡,分别饲喂4种饲粮,分别为0%替代、25%替代、50%替代和100%替代自解酿酒酵母蛋白精。每组6个重复,每个重复4只鸡。25%和50%替代对体重、增重、日增重、采食量和饲料系数无显著影响(P>0.05)。然而,与对照组相比,100%的替代导致了数字上的负面影响。替代组对屠宰率和其他胴体特性无影响(P>0.05)。本研究结果表明,在不影响肉鸡生长和胴体品质的情况下,用酿酒酵母自溶菌替代25% ~ 50%水平的肉仔鸡饲粮中的蛋白质精料是可能的。爆炸。j .似的。科学》2019。48 (1): 1-8
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引用次数: 2
Study on food-feed competitive efficiency of Moringa fodder in the active Brahmaputra-Jamuna Floodplain Agro-Ecological Zone of Bangladesh 孟加拉国雅鲁藏布江-贾穆纳河漫滩农业生态带辣木饲料食-饲料竞争效率研究
Pub Date : 2019-12-29 DOI: 10.3329/bjas.v48i1.44557
M. Bashar, K. Huque, N. Sarker, N. Sultana, S. Ahmed
The research work was carried out to evaluate the food-feed competitive efficiency of Moringa fodder in the Active Brahmaputra-Jamuna Floodplain Agro-Ecological Zone (ABJF-AEZ) of Bangladesh. For determining the competitive land use efficiency of Mornga feed (Mf) production, the Moringa fodder was cultivated in Gaibandha district at ABJF-AEZ with four replications. The annual dry matter (DM) yield of Moringa at on-farm condition was the height (26.67 ton/ha) and it was varied significantly (P<0.05) with on-station condition. Comparing the Moringa fodder with available cash crop, the cost of production of Moringa was higher than that of other two cropping system like Boro-fellow-Jute (BFJ) and BoroFellow-Matikalai (BFM) but the gross return of Moringa cultivation was Tk.186.3 thousand, it was about five times higher income than existing cash crop. For determining the impacts of Mf on milk production and their quality, twelve local cows of third or fourth parity after 1 to 2 weeks of calving in Gaibandha Sadar Upazila were selected and divided into three dietary groups having four animals in each considering their live weight and ante-diet daily milk yield. During 50 days feeding period all experimental cows were fed freshly threshed rice straw and keeping randomly a group under on farm practice that received supplementation of conventionally mixed concentrates (CMC), the other two groups of cows were either received a commercial cattle feed available at the market or Mf replacing conventional concentrate supplements. Mf produced significant amount of milk (1.64 kg/day) and meat (441.3 g/day) followed by commercial cattle feed (1.1 kg/day and 128.2 g/day) and CMC (0.73 kg/day and 48.4 g/day), respectively. It was also indicated that Mf is better than market feed for the increase of milk yield and live weight gain. So, Mf is an unbeatable animal feed to increase the productivities of cows.
在孟加拉国雅鲁藏布江-贾穆纳河漫滩活跃农业生态区(ABJF-AEZ)开展了辣木饲料的食-饲料竞争效率评价研究。为了确定辣木饲料生产的竞争土地利用效率,在ABJF-AEZ的Gaibandha区分4个重复种植辣木饲料。大田条件下辣木年干物质产量最高(26.67 t /ha),与大田条件差异显著(P<0.05)。将辣木饲料与现有经济作物进行比较,辣木的生产成本高于其他两种种植制度,如Boro-fellow-Jute (BFJ)和boro -fellow- matikalai (BFM),但辣木种植的总收益为18.63万美元,约为现有经济作物的5倍。为了确定Mf对产奶量和质量的影响,选取了12头产犊1 ~ 2周后第三胎或第四胎的当地奶牛,根据其活重和日产奶量分为3个饲粮组,每组4头。在50 d的饲养期内,所有试验奶牛均饲喂新鲜脱粒稻草,并随机保留一组奶牛在农场实践中补充常规混合精料(CMC),另外两组奶牛使用市场上可买到的商品牛饲料或Mf替代常规精料补充剂。Mf的产奶量显著(1.64 kg/d),肉量显著(441.3 g/d),其次是商品牛饲料(1.1 kg/d和128.2 g/d)和CMC (0.73 kg/d和48.4 g/d)。在提高产奶量和活增重方面,Mf饲料优于市售饲料。因此,Mf是一种无与伦比的动物饲料,可以提高奶牛的生产力。
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引用次数: 1
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Bangladesh Journal of Animal Science
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