Biological position of viruses: Viruses lack a cytoplasmic membrane and they do not have the basic component of a cell. They can only replicate inside the host cell. Outside the host cell, they are non-living.
The yearling program was, however, more variable with a maximum profit of $356 per head compared with $206 for calf fed, and a maximum loss of $171 per head compared with $152 for the calf fed program.
How much could cows cost? Based on a $550 annual cow cost, 88 percent calf crop, $180 per hundredweight average price for a 525-pound calf over five production years and $2,000 cost per pair, a cow/calf pair purchased in spring of 2012 would yield a 10 percent return on investment.ow much could cows cost? Based on a $550 annual cow cost, 88 percent calf crop, $180 per hundredweight average price for a 525-pound calf over five production years and $2,000 cost per pair, a cow/calf pair purchased in spring of 2012 would yield a 10 percent return on investment.