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.
With an average market (live or on hoof) weight of 1,150 lbs and the average yield of 62.2%, the typical steer will produce a 715 lb. (dressed weight) carcass. The dressed beef (or carcass) will yield approximately 569 lbs. (further details below) of red meat and trim (take home meat - which includes the average weight of 27 lbs of variety meat: liver, heart, tongue, tripe, sweetbreads and brains) and 146 lbs of fat, bone and loss.