energy sources Archives

Egg shelf life, welfare, and physiological responses in jumbo quail hens fed a diet containing raw or heat-treated cassava tuber meal

2024
Issue: 3
Volume: 54

A. Gazi, & C.M. Mnisi Page: 307 - 318

2025-03-16
Megan North

The study assessed the effect of total replacement of maize with raw or heat-treated cassava tuber meal (CTM) on egg shelf life, welfare indicators, and physiological and carcass traits of laying jumbo quail hens. Two hundred and forty, six-week-old quail…

Effect on feed intake, milk production and milk composition of Holstein cows by replacing maize grain with wheat in total mixed rations

2014
Issue: 3
Volume: 44

C.J.C. Muller, J.A. Botha, F. Calitz & M. Lehmann Page: 271 - 279

2025-03-16
vanryssen

The effect of replacing maize grain with wheat as an energy source in total mixed rations (TMRs) on feed intake and milk yield parameters was determined for dairy cows. Three feeding trials were conducted using different roughages, namely lucerne hay…

Establishment of a ruminal protein degradation data base for dairy cattle using the in situ polyester bag technique. 2. Energy

1990
Issue: 3
Volume: 20

L.J. Erasmus, J. Prinsloo, P.M. Botha and H.H. Meissner Page: 124 - 129

2025-03-16
flickerleap

The extent of ruminal protein degradation of 11 energy sources was determined in the rumen of cannulated lactating dairy cows, and was calculated at three different fractional outflow rates, using the in situ polyester bag technique. The extent of ruminal…