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	Provedor de dados AgEcon (1) Autor Bartlett, Paul C. (1) Judge, Lawrence J. (1) Lloyd, James W. (1) Palavra-chave Bovine somatotropin (1) Dairy (1) Farm Management (1) Livestock Production/Industries (1) Net farm income (1) Productivity Analysis (1) Research and Development/Tech Change/Emerging (1) Mais... Tipo do documento Working or Discussion Paper (1) Ano 2009 (1) País United States (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última The Effect of Recombinant Bovine Somatotropin on Patterns of Milk Production, Lactational Milk Estimates and Net Farm Income AgEcon Judge, Lawrence J.; Lloyd, James W.; Bartlett, Paul C.. Bovine somatoropin (bST) alters total milk production and production patterns in dairy cows and understanding the economic benefits of bST for the dairy producer are critical. Holstein cows (n = 555) from four Michigan dairy farms were randomly assigned as untreated controls or to receive 500 mg of bovine somatotropin (PosilacR) administered every 14 days beginning at 63 to 69 days of lactation and continuing until approximately 21 days prior to the end of lactation or until the animal was removed from the herd. Average peak milk production was 50.8 kg / day and occurred at an average of 113 9 days of lactation for bST-treated cows while average peak production was 48.9 kg / day occurring at an average of 86.4 days of lactation for control cows; both... Tipo: Working or Discussion Paper Palavras-chave: Bovine somatotropin; Dairy; Net farm income; Farm Management; Livestock Production/Industries; Productivity Analysis; Research and Development/Tech Change/Emerging. Ano: 2009 URL: http://purl.umn.edu/53966 Registros recuperados: 1 Primeira ... 1 ... Última

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