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Publications (16)
The aim of this study was to assess the effect of three alfalfa pasture herbage allowances on milk yield and composition during autumn-winter grazing season on early autumn calving dairy cows. Eighteen multiparous Holstein dairy cows were assigned to one of three treatments in a 3 × 3 Latin square design: low herbage allowance (14 kg DM/cow; LHA),...
La formulación de raciones requiere de la valoración energética de todos los ingredientes, sin embargo existen escasos modelos para predecir la digestibilidad in vitro de la materia seca (ivDMS) para concentrados proteicos basados en resultados de química húmeda. El objetivo fue desarrollar modelos de predicción de la ivDMS de concentrados proteico...
Relatively low ruminal pH values have been frequently registered in dairy cows grazing alfalfa, which can be involved in reducing feed digestion. An in vitro experiment was carried out to study the effect of ruminal pH (6.4, 6.1, 5.8 and 5.5) on the digestion of fresh alfalfa.
Decreasing the pH, in vitro gas production (ivGP) decreased (P < 0.05)....
Eighteen multiparous lactating grazing Holstein cows, 9 ruminally cannulated, average 136.1 +/- 14.6 days in milk, were randomly assigned to three treatments consisting of water containing different levels of total dissolved solids (TDS; mg/l): Treatment 1 = 1,000; Treatment 2 = 5,000 and Treatment 3 = 10,000, at the Experimental Dairy Unit at Rafa...
Forage quality refers to how well animals consume a forage and how efficiently the nutrients in the forage are converted into animal products. Six major factors affecting forage quality: maturity (harvest date), crop species (differences between grasses and legumes), techniques of harvest and storage, environment (moisture, temperature and amount o...
