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.
This winter grazing program cost approximately 50 cents per day per cow, whereas the average producer feeding harvested hay per day cow cost would range from $1.25 to $2.00 per day depending on the quality of hay fed.verage beef cow producer in the SPA/IRM program fed 4,710 pounds feed per cow, of. which 3,189 pounds was raised hay, while in the Dudley Smith Project the cows were fed 0 pounds of raised hay, 170 pounds of purchased hay, and a total of 316 pounds of feed.