Zobrazeno 1 - 10
of 546
pro vyhledávání: '"E. Detmann"'
Publikováno v:
Smart Agricultural Technology, Vol 5, Iss , Pp 100286- (2023)
Emissions of greenhouse gases (GHG), especially methane (CH4), from dairy production have received much research attention in the past 15 years, with the main focus being to identify factors affecting CH4 production and measures to reduce CH4 emissio
Externí odkaz:
https://doaj.org/article/c22c55b1282e453d93f5651c7ded859b
Autor:
L.F. Costa e Silva, S.deCamposValadares Filho, P. Del Bianco Benedeti, E. Detmann, A.C.Baião Menezes, T.Eder Silva, F.A. de Sales Silva
Publikováno v:
Animal, Vol 14, Iss 5, Pp 963-972 (2020)
The accurate estimation of protein requirements for beef cattle is a key factor in increasing livestock profitability and decreasing the environmental impacts of excessive N excretion due to mismatching between assumed requirements and diet formulati
Externí odkaz:
https://doaj.org/article/08da3337b9b846b5812dc5e6301a6cd9
Publikováno v:
Boletim de Indústria Animal, Vol 75, Iss 1, Pp 9-16 (2018)
Objetivou-se avaliar os efeitos das concentrações de hidróxido de sódio na etapa de destilação sobre os teores de nitrogênio (N) total obtidos pelo método de Kjeldahl em diferentes materiais. Foram utilizadas oito amostras de diferentes mater
Externí odkaz:
https://doaj.org/article/a3b80756e34b498c8ee0c3060700dcd7
Publikováno v:
Animal, Vol 11, Iss 8, Pp 1303-1311 (2017)
In ruminants, urea recycling is considered an evolutionary advantage. The amount of urea recycled mainly depends of the nitrogen (N) intake and the amount of organic matter (OM) digested in the rumen. Because recycled N contributes to meeting microbi
Externí odkaz:
https://doaj.org/article/38e87add44fd4a2f83471e111ecac12c
Autor:
J. F. Figueiras, E. Detmann, M. O. Franco, E. D. Batista, W. L. S. Reis, M. F. Paulino, S. C. Valadares Filho
Publikováno v:
Asian-Australasian Journal of Animal Sciences, Vol 29, Iss 12, Pp 1710-1718 (2016)
The objective of this study was to evaluate the effects of supplements with different crude protein (CP) contents on grazing cattle intake, digestibility, ruminal fermentation pattern, and nitrogen (N) metabolism characteristics during the rainy seas
Externí odkaz:
https://doaj.org/article/fd00904b6b644a3c80ba385f9f22e469
Autor:
C.B.P. Bento, A.C. Azevedo, D.I. Gomes, E.D. Batista, L.M.A. Rufino, E. Detmann, H.C. Mantovani
Publikováno v:
Animal, Vol 10, Iss 1, Pp 44-54 (2016)
In tropical regions, protein supplementation is a common practice in dairy and beef farming. However, the effect of highly degradable protein in ruminal fermentation and microbial community composition has not yet been investigated in a systematic ma
Externí odkaz:
https://doaj.org/article/59f5d65728414fb6abe1db47048f0c54
Evaluation of Acid Digestion Procedures to Estimate Mineral Contents in Materials from Animal Trials
Publikováno v:
Asian-Australasian Journal of Animal Sciences, Vol 28, Iss 11, Pp 1624-1628 (2015)
Rigorously standardized laboratory protocols are essential for meaningful comparison of data from multiple sites. Considering that interactions of minerals with organic matrices may vary depending on the material nature, there could be peculiar deman
Externí odkaz:
https://doaj.org/article/11f64f38a926403a98c58643376a7efe
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 67, Iss 2, Pp 583-590 (2015)
Foram utilizados cinco novilhos nelore com peso inicial médio de 335±12kg, mantidos em baias individuais, para determinação do consumo e da digestibilidade, e 40 novilhos com peso corporal médio de 345±14kg, mantidos em baias coletivas, para av
Externí odkaz:
https://doaj.org/article/848945a54a864397b9c949967f52ec09
Autor:
L.F. Prados, S.C. Valadares Filho, E. Detmann, D. Zanetti, S. A. Santos, D.F.T. Sathler, L.D.S. Mariz, A.L.C.C. Borges, A.N. Nunes, F.C. Rodrigues, P.M. Amaral
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 67, Iss 2, Pp 555-563 (2015)
The aim of this study was to determine the nutritional requirements of energy and protein for maintenance and weight gain of crossbred cattle, as well as their efficiencies. Fifty 3/4 Zebu × 1/4 Holstein crossbred bulls with initial weights of 214±
Externí odkaz:
https://doaj.org/article/b7e25ab3a2444c9489c72b247ee1bc81
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 66, Iss 3, Pp 827-836 (2014)
The purpose of this study was to evaluate feed intake and develop lactation and weight change curves for Holstein x zebu cows under grazing. Eighteen F1 cows were used, divided into three treatments; 6 were Holstein x Gir (HGI), 6 were Holstein x Guz
Externí odkaz:
https://doaj.org/article/61144a6ce2514446b276686d7b8386d8