Genetic and Non-genetic Factors Affecting Gestation Length and Calve Birth Weight of Sahiwal-Friesian Crossbred Groups

Autor: J. M. Panandam, Muhammad Anisuzzaman Talukder
Rok vydání: 2010
Předmět:
Zdroj: The Agriculturists. :1-8
ISSN: 2304-7321
1729-5211
DOI: 10.3329/agric.v6i1.5208
Popis: This study focused on the dairy unit at the Ladang Pusat Ternakan Haiwan Ayer Hitam in Johor, Malaysia. Eight crossbreed groups namely M50, M50-1, M50-2, M50-3, M56, M63, M75 and M75-1 were evaluated. Retrospective data on gestation length and calf birth weight were extracted for evaluation of 1346 animals and were analyzed between 1981 and 2001. Effects of breed group, parity, calf sex and age at calving were non significant for GL. Year of birth was only significant (P
Databáze: OpenAIRE