On-station Performance Evaluation of Indigenous Breeds of Cattle for Dairy Production Systems in Nigeria
作者: D. S. Bunjah, UmarB. I. NwaguU. A. UmarO. O. RufinaI. SalehS. I. OnotuL. Ugwu
作者单位: 1Department of Livestock, Agricultural Research Council of Nigeria, Nigeria.
2National Animal Production Research Institute, Ahmadu Bello University Zaria, Nigeria.
3National Animal Production Research Institute, Ahmadu Bello University Zaria, Nigeria
4Department of Animal Science, Ahmadu Bello University Zaria, Nigeria.
5National Agricultural Extension and Liason Services, Ahmadu Bello University Zaria, Nigeria.
6Department of Animal Science, Faculty of Agriculture, Bayero University, Kano, Nigeria.
7Department of Biology, School of Science, Federal College of Education, Katsina, Nigeria.
刊名: Asian Journal of Research in Agriculture and Forestry, 2020, pp.30-38
来源数据库: SCIENCEDOMAIN international
DOI: 10.9734/ajraf/2020/v5i130076
关键词: Indigenous breedsCattleDairy productionMilk yield
原始语种摘要: This study was aimed at evaluating on-station performance of indigenous breeds of cattle for milk yield and body conformation traits. The data for the study came from four hundred and fifty (450) genotypes (Bunaji, Friesian X Bunaji and Gudali) of cattle reared on-station from 1995 through 2012. Morphometric variables measured were BW: Body weight (Kg); BL: Body Length (cm); HW: Height at withers (cm); CW: Chest width (cm); HG: Heart Girth (cm); Rumwi: Rump width (cm); TL: Teat Length (cm); RUH: Rear Udder Height (cm); UC: Udder Circumference (cm); TY: Total Yield (Litres). There variations in morphometric traits and milk yield among the genotypes of cows. Bodyweight was significant and highly correlated with total yield in milk for all the genotypes of cows. The accuracy of predicting...
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  • station 测点
  • cattle 
  • yield 成品率
  • genetic 遗传的
  • among 在当中
  • indigenous 固有的
  • width 幅度
  • conformation 构象
  • variables 变量
  • performance 性能