Effect of heat or formaldehyde treatment and differences in basal diet on the rumen degradability of protein in soyabean meal and in rapeseed meals of different glucosinolate content

calor chaleur diet dieta fermentation formaldehyde glucosinolate glucosinolates glucosinolatos harina de colza heat heifers novilla proteine proteins rapeseed meal rumen soybean meal tortas de soja tourteau de colza tourteau de soja