The farmer must pay for the product ($5.25 per dose if the product is used on at least 60% of the cows in the herd). The cow must eat more feed to support her increased milk production. Revenue comes from selling excess milk, typically 8 to 12 pounds per cow per day at a price of 11 to 15 cents per pound. This cycle is repeated every 14 days, when the cow is injected again. For some farms, there are additional costs for the extra labor needed to select and inject cows. In general, there is little, if any, capital cost involved in using it. On some farms, changes to cow handling or feeding systems are required to adopt rBST, but these costs are generally small compared to profit and breakeven. Refund is obtained quickly (Fetrow,