Although new timed-AI protocols are developed and evaluated constantly, the importance of inseminating cows based on signs of estrus continues to be significant.

In some situations, the dairy may have facility limitations, not enough personnel, poor estrous expression, poor conception rates for cows bred at detected estrus or simple preference to not observe for estrus daily. In such situations, 100 percent timed-AI protocols may be necessary....read more.

Source: Texas Dairy Matters Quarterly Newsletter, Spring 2012