techniques Archives

The synchronization of oestrus in sheep: 6. Evaluation of synchronisation and AI techniques (Research note)

1981
Issue: 2
Volume: 11

J.M. van der Westhuysen, J.P.C. Greyling, P.G. Loubser & C.P.J. Coetzee Page: 49 - 52

2024-12-12
flickerleap

The control of oestrus and ovulation in sheep has been researched for more than 3 decades and still continues. Both in South Africa and abroad, much research has been done on the use of intravaginal progestagen sponges alone (Robinson, 1967;…

2000
Issue: 1
Volume: 30

J. Viljoen, S.E. Coetzee, J.C. Fick, F.K. Siebrits and J.P. Hayes Page: 7 - 15

2024-12-12
flickerleap

Three in vivo techniques were evaluated in terms of their suitability for determination of the apparent ileal amino acid digestibility (AID) of protein sources for piglets. The techniques were: ileo-rectal anastomosis (IRA), cannulation at the distal ileum and a slaughter…