Evaluating the suitability of field beans as a substitute for soybean meal in early-lactating dairy cow: production and metabolic responses

Animal Science Journal = Nihon Chikusan Gakkaihō
V TufarelliV Laudadio

Abstract

Twenty-four multiparous Holstein cows were utilized in a completely randomized design to examine the effect of feeding field beans (FB, Vicia faba L. var. minor) as substitute for soybean meal (SBM) on lactation performance and metabolic response during the early lactation period. Cows were individually divided into two equal groups and fed for 16 weeks on one each of the two experimental diets. The controls were fed pelleted concentrate contained 150 g/kg dry matter (DM) of SBM as the main protein source, whereas the experimental concentrate contained 345 g/kg DM of FB. Oat hay was offered ad libitum to cows and water was freely available. Blood samples were assayed for their content of: urea, glucose, triglycerides, cholesterol, total protein, albumin, calcium and phosphorus, aspartate aminotransferase (AST) and alanine aminotransferase (ALT), nonesterified fatty acids (NEFA) and β-hydroxybutyrate (BHBA). Inclusion of FB had no detectable effects on DM intake (DMI), body weight (BW), or body condition score (BCS). Neither milk yield nor quality were influenced by dietary treatment, except for milk urea nitrogen (MU) that was reduced in cows fed the FB diet (P < 0.05). Clotting properties of milk were not affected adversely by...Continue Reading

References

Jan 1, 1991·Reproduction, Nutrition, Development·P CrosR Moncoulon
Sep 1, 1993·Journal of Dairy Science·M G MayD H Putnam
Jan 26, 2008·Journal of Dairy Science·M Vander PolN Delano

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Citations

Jul 3, 2015·Reproduction in Domestic Animals = Zuchthygiene·V TufarelliV Laudadio
Jul 14, 2017·Journal of the Science of Food and Agriculture·Mirco CorazzinStefano Bovolenta

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