The red blood cells will be replaced within a few weeks. You may donate whole blood once every 56 days, which allows plenty of time for your red cells to be replenished. Platelet (apheresis) donors may donate more frequently -- as often as once every seven days and up to 24 times per year.
An average beef animal weighs about 1200 (Â± 250) pounds and has a hanging hot carcass weight (HCW) of. about 750 (Â± 200) pounds. In general, freezer beef is sold using HCW as the basis.
Regulating Birth Weight In Beef Cattle. Birth weight of beef calves may be one of the single most important factors in profitability of the beef herd. Birth weight accounts for over 70% of the variability in calf survival to weaning, yet many producers do not manage birth weight in their cows.