Event-Time Analysis of Reproductive Traits of Dairy Heifers

Journal of Dairy Science

Volumn 81, Issue 11, 1998, Pages 2881-2889

  Vargas, B ^a,b   Van Der Lende, T ^b   Baaijen, M ^a   Van Arendonk, J A M ^b  

^a UNIVERSIDAD NACIONAL   (Costa Rica)

^b WAGENINGEN UNIVERSITY   (Netherlands)

Author keywords

Age at first calving; Dairy heifers; Days open; Event time analysis

Indexed keywords

AGING; ANIMAL; ARTICLE; BODY WEIGHT; BREEDING; CATTLE; FEMALE; LACTATION; PHYSIOLOGY; PREGNANCY; PROPORTIONAL HAZARDS MODEL; REPRODUCTION; SEASON;

AGING; ANIMALS; BODY WEIGHT; BREEDING; CATTLE; FEMALE; LACTATION; PREGNANCY; PROPORTIONAL HAZARDS MODELS; REPRODUCTION; SEASONS;

EID: 0032199077     PISSN: 00220302     EISSN: None     Source Type: Journal    
DOI: 10.3168/jds.S0022-0302(98)75848-5     Document Type: Article

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