anoestrus Archives

The influence of loss and gain of body mass on ovarian activity in beef cows

1988
Issue: 1
Volume: 18

B.P. Louw, C.R. Thomas & A.W. Lishman Page: 1 - 7

2024-10-11
flickerleap

Ovarian activity was studied in 36 dry, Bos taurus cows fed to achieve different rates of body mass loss and gain in a 2 x 2 factorial experiment. Cows were fed hay to supply either 70% (Treatments 1, 2) or…

1994
Issue: 1
Volume: 24

J.P.C. Greyling, W.F. Kotzé, G.J. Taylor, W.J. Hagendijk and F. Cloete Page: 33 - 37

2024-10-11
flickerleap

One hundred and thirty Merino ewes were used to test the efficiency of different doses of medroxyprogesterone acetate (MAP) progestagen to synchronize oestrus outside the breeding season. Three treatments, consisting of intravaginal progestagen doses (60 mg, 40 mg, and halved…