Factors influencing heifer survival and fertility on commercial dairy farms
Presentation / Conference Contribution
Wathes, D. C., Brickell, J. S., Bourne, N. E., Swali, A., & Cheng, Z. R. Factors influencing heifer survival and fertility on commercial dairy farms
The average dairy cow survives only three lactations, reducing the availability of replacement heifers. Prenatal losses occur due to early embryonic mortality (about 40%), later embryo loss (up to 20% in high-yielding herds) or abortion (about 5%). A... Read More about Factors influencing heifer survival and fertility on commercial dairy farms.