- 6 Trypanotolerant livestock, a sustainable and essential component
Trypanotolerance, the ability of some livestock species and breeds to survive, reproduce and remain productive under trypanosomosis risk without the aid of trypanocidal drugs, was recognised and exploited by farmers long trypanotolerant breeds is.
- Factors affecting the body condition score of N’Dama cows under
Two critical periods in the cow productive life cycle were analysed: (1) the third year of age, which is the minimum age for the first conception in our data; (2) around calving in adult cows, since the positioning of cow BCS under this value is known to.
- ASAS/ADSA Breeding and Genetics: Genetic Parameters and Breeding
Ultrasound measurements of yearling bulls tested in Beef Improvement Ontario (BIO) s bull evaluation program were used to obtain genetic evaluations in the form of across breed comparisons (ABCs) for longissimus dorsi area, backfat thickness, and.
- Adaptation Characteristics of Three Cattle Breeds to the Humid
Brahman heifers spent more time grazing in the sun (75 %)than Senepol (61 %)and Holstein (59 %)during the hottest hours of the day when temperatures reached over 38 C.Holsteins spent most of the time in the shade, and their grazing was done mainly during.
- ASAS/ADSA Breeding and Genetics: Genetic Parameters and Breeding
Key Words: Beef cattle, Ultrasound, Genetic parameters 1691 Genetic evaluations based on ultrasound of yearling beef cattle as related to carcass characteristics of commercially produced progeny... Name of Animal Please print or type Ear Tag No.
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