Resources

Comparison of reproductive performance in lactating dairy cows bred by natural service or timed artificial insemination

F.S. Lima, C.A. Risco, M.J. Thatcher, M.E. Benzaquen, L.F. Archbald, J.E.P. Santos, W.W. Thatcher
journalOfDairyScience, Journal of Dairy Science Vol. 92, Issue 11, p5456–5466
Published: January 1, 2009