Recursive systems model of fetal birth weight and calving difficulty in beef heifers

Canadian Journal of Animal Science

Volumn 82, Issue 1, 2002, Pages 19-27

  Tozer, P R ^a   Scollard, D L ^a   Marsh, T L ^a   Marsh, T J ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

Beef; Birth weight; Coronet band; Dystocia; Heifers; Ordered logit; Recursive systems

Indexed keywords

EID: 0036013145     PISSN: 00083984     EISSN: None     Source Type: Journal    
DOI: 10.4141/A01-028     Document Type: Article

References (23)

1. A strategy for minimizing calving difficulty
2. The factors associated with dystocia in cattle
3. Fetal growth of beef calves. I. Effects of prepartum dietary crude protein on birth weight, blood metabolites and steroid hormone concentrations
4. The efficacy of predicting dystocia in yearling beef heifers: I. Using ratios of pelvic area to birth weight or pelvic area to heifer weight
5. Some factors associated with calving difficulty
6. Precalving body size and pelvic area relationships in Hereford heifers
7. Cause and effect relationships associated with calving difficulty and calf birth weight
8. Factors affecting dystocia and early calf mortality in Angus cows and heifers
9. Pelvic measurements in beef replacement heifers and bulls
10. A simultaneous equations model of the cause-effect relationship among biological variables: An analysis using postpartum beef cows
11. Relationships of pelvic structure, body measurements and calving difficulty
12. Using maternal pelvis size and fetal hoof circumference to predict calving difficulty in beef cattle
13. Discriminant analysis for predicting dystocia in beef cattle. I. Comparison with regression analysis
14. Dystocia-related risk factors
15. A critical analysis of pelvic measurements and dystocia in beef heifers
16. The usefulness of pelvic area measurements as an on-farm test for predicting calving difficulty in beef heifers