Ansc 4380 beef cattle Study guides, Class notes & Summaries

When was BQA implemented? - in 1982 by producers, USDA & FSIS Purpose of BQA - to avoid violative drug residues -currently, other factors exist that influence overall beef quality Principles of BQA were developed by who? Why? - -developed by Pillsbury *for quality control of food being supplied to NASA:* -hazard analysis & critical control point National BQA guidelines developed by: - The American Association of Bovine practitioners & state cattlemen's groups. Beef Quality Assurance gui...

Cross Breeding - the mating of individuals with different breed make-up -widely used in commercial beef production systems -improvements in production efficiency can be dramatic -does not eliminate the need for purebreds Heterosis - the average superiority of a crossbred individual over the average of breeds involved n the cross -arises from combining genes from different breeds so inferior recessive genes are concealed -offspring may be better than either paternal breed or better than av...

Nutrient requirements of beef cattle: - -a balanced & cost effective nutrition program is essential to the success of any beef cattle operation -expensive range/pasture demand efficient utilization -nutrient requirements change throughout the production cycle & among different classes of animals Nutrient requirements depend on: - -age -stage of production -sex -breed -environmental conditions -basal diet quality & amount Dry Matter Intake - no requirements for feed intake (estimate is ...