Effect of low-glucosinolate crambe meal in diet on lactational performance, efficiency of nutrient utilization, and hepatic function of crossbred Holstein × Zebu and Jersey cows.

Autor: Moura DC; Dairy Cattle Research Laboratory, Universidade Federal de Mato Grosso, Sinop, MT, 78557-267, Brazil., Vieira FJG; Dairy Cattle Research Laboratory, Universidade Federal de Mato Grosso, Sinop, MT, 78557-267, Brazil., Miranda RM; Dairy Cattle Research Laboratory, Universidade Federal de Mato Grosso, Sinop, MT, 78557-267, Brazil., Cordeiro PO; Dairy Cattle Research Laboratory, Universidade Federal de Mato Grosso, Sinop, MT, 78557-267, Brazil., Molossi L; Dairy Cattle Research Laboratory, Universidade Federal de Mato Grosso, Sinop, MT, 78557-267, Brazil., da Silva Souza D; Dairy Cattle Research Laboratory, Universidade Federal de Mato Grosso, Sinop, MT, 78557-267, Brazil., Zampieri VH; Dairy Cattle Research Laboratory, Universidade Federal de Mato Grosso, Sinop, MT, 78557-267, Brazil., Soares SR; Dairy Cattle Research Laboratory, Universidade Federal de Mato Grosso, Sinop, MT, 78557-267, Brazil., Viana FN; Dairy Cattle Research Laboratory, Universidade Federal de Mato Grosso, Sinop, MT, 78557-267, Brazil., Brito AF; Department of Biological Sciences, University of New Hampshire, 30 O'Kane Road, Durham, NH, 03824, USA., Oliveira AS; Dairy Cattle Research Laboratory, Universidade Federal de Mato Grosso, Sinop, MT, 78557-267, Brazil. andre.oliveira@ufmt.br.
Jazyk: angličtina
Zdroj: Tropical animal health and production [Trop Anim Health Prod] 2023 Nov 24; Vol. 55 (6), pp. 417. Date of Electronic Publication: 2023 Nov 24.
DOI: 10.1007/s11250-023-03819-6
Abstrakt: Crambe meal (CM) is a potential dietary protein source for ruminant, but its effects in diets for lactating dairy cows remains unknown. We evaluated the effects of inclusion of the low-glucosinolates (GIs) CM (450 mg GIs/kg DM) in partial total mixed ration (pTMR) on performance, efficiency of nutrient utilization, and hepatic function of crossbred Holstein × Zebu and Jersey cows. Eight crossbred Holstein × Zebu cows and four Jersey cows were blocked by breed and days in milk, and randomly assigned in a replicated 4 × 4 Latin square design, and distributed in one of four isonitrogenous TMRs (130 g CP/kg DM): 0, 45, 90, and 135 g CM/kg DM pTMR. Crambe meal was included in pTMR replacing soybean meal (SBM) and ground corn grain (GCG). The pTMRs were offered ad libitum between 7:00 a.m. and 5:00 p.m. Cows were kept on pasture of Panicum maximum cv. Mombaça (90.4 g CP/kg DM) between 6:00 p.m. and 6:30 a.m. Pasture intake was measured from external and internal fecal excretion marker. Inclusion of CM did not affect (P ≤ 0.05) the DM intakes of pTMR and pasture, apparent total-tract digestibilities of organic matter, CP and NDF, ruminal outflow microbial protein, milk yield, milk composition, urinary N excretion, milk N efficiency, and level of plasm hepatic enzymes. The effects of CM inclusion in pTMR were independent of breed. Low-glucosinolates CM can be incorporated up to 135 g/kg DM in pTMR in replacement of SBM and GCG without affecting performance, efficiency of nutrient utilization, and hepatic function of crossbred Holstein × Zebu and Jersey cows.
(© 2023. The Author(s), under exclusive licence to Springer Nature B.V.)
Databáze: MEDLINE
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