Effet des apports en protéines métabolisables et en énergie de rations à base de luzerne sur les performances de vaches en lactation

Trois lots de 24 vaches appariées sur la parité, le stade de lactation, et le niveau de production ont été allotées dans 3 groupes constitués par des apports de luzerne (23%MAT)

Towards a better understanding of the effect of genetic merit for milk production on post-partum cyclicity of first lactation dairy cows.. ADSA-ASAS Joint Annual Meeting, Jul

This comparison of strongly contrasting feeding strategies confirms the immediate reactivity of dairy cows (in terms of milk performance and body condition) to variations of

Efficacité d´utilisation de l´azote suite à une réduction des apports azotés dans les rations des vaches laitières : effet de la nature de l´énergie.. Rencontres

We hypothesized that increasing the gastrointestinal absorption of glucogenic nutrients in dairy cows by feeding diets rich in starch would (1) decrease the net AA removal by the

Starch Fiber Starch Fiber s.e.m.. This reinforces the idea that microbial protein synthesis and consequently the rumen protein sparing effect of starch diets compared with fiber diets

Evolution of intake capacity of dairy cows in early lactation.. Philippe Faverdin, E Leclerc, Mc Rousselot,

However, only a small decrease in Ca retention was observed 3 weeks after calving with those treatments compared to the control treatment (NCa), with no effect on the dynamics of