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.
If it is assumed the cow will produce eight calves over her productive life and cattle prices decline 2.5 percent annually then a producer could pay $3,264 for a bred heifer and still breakeven while a 5.0 percent annual decline in prices would result in a breakeven purchase price of $2,832 per head.f it is assumed the cow will produce eight calves over her productive life and cattle prices decline 2.5 percent annually then a producer could pay $3,264 for a bred heifer and still breakeven while a 5.0 percent annual decline in prices would result in a breakeven purchase price of $2,832 per head.