Article
Reproductive performance of backcross Holstein × Brown Swiss and their Holstein contemporaries under subtropical environmental conditions.
Theriogenology - 1 Feb 2015
El-Tarabany Mahmoud S, El-Bayoumi Khairy M
Abstract excerpt
The objective of this study was to evaluate the reproductive performance of the Holstein (HO) and their backcross HO × Brown Swiss (BS) under Egyptian subtropical conditions. The backcrosses were HBH (HO sires crossed with F1 BS × HO cows) and HHB (HO sires crossed with F1 HO × BS cows). Several reproductive indices and health traits for different genotypes were measured, and the effect of temperature-humidity...
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