Supplementation of lactating Dorper and Merino ewes on Themeda cymbopogon veld. 3. Seasonal and diurnal variation in rumen pH a
The effects of energy and crude protein (CP) supplementation on diurnal and seasonal variations in rumen pH and concentrations of ammonia (NH3) in lactating ewes grazing native pasture (veld) were studied during two autumn (1981 and 1982) and two spring…