The impact of somatotropin, milking frequency, and photoperiod on dairy farm nutrient flows

Journal of Dairy Science

Volumn 83, Issue 5, 2000, Pages 968-976

  Dunlap, T F ^a,b   Kohn, R A ^a   Dahl, G E ^a   Varner, M ^a   Erdman, R A ^a  

^a UNIVERSITY OF MARYLAND   (United States)

^b UNIVERSITY OF WISCONSIN MADISON   (United States)

Author keywords

Bovine somatotropin; Milking frequency; Nitrogen efficiency; Photoperiod

Indexed keywords

GROWTH HORMONE; NITROGEN;

ANIMAL; ANIMAL FOOD; ARTICLE; CATTLE; CHEMISTRY; DAIRYING; FECES; FEMALE; LACTATION; METABOLISM; METHODOLOGY; PHOTOPERIODICITY; PHYSIOLOGY; PREGNANCY; TIME;

ANIMAL NUTRITION PHYSIOLOGY; ANIMALS; CATTLE; DAIRYING; FECES; FEMALE; GROWTH HORMONE; LACTATION; NITROGEN; PHOTOPERIOD; PREGNANCY; TIME FACTORS;

EID: 0034181629     PISSN: 00220302     EISSN: None     Source Type: Journal    
DOI: 10.3168/jds.S0022-0302(00)74961-7     Document Type: Article

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