Effect on Female Dairy Cattle Fertility of Age of Dam and Month of Birth

References

• Andresen , Ø. 1981 . Personal communication
   Google Scholar
• Baker , R. L. , Clarke , J. N. , Carter , A. H. and Diprose , G. D. 1979 . Genetic and phenotypic parameters in New Zealand Romney sheep. I. Body weights, fleece weights, and oestrus activity . New Zealand J. Agric. Res. , 22 ( 1 ) : 9 – 21 .
   Web of Science ®Google Scholar
• Dörner , G. 1979 . Sexual dimorphism of the brain . Acta endocr. (Kbh) , : 461 – 462 . Suppl. 225
   Google Scholar
• Elsaesser , F. , Parvizi , N. and Ellendorf , F. 1979 . Effect of prenatal testosterone treatment on the stimulatory estrogen feedback and ovarian activity in the pig . Acta endocr. (Kbh) , : 153 Suppl. 225
   Google Scholar
• Janson , L. 1980 . Studies on fertility traits in Swedish dairy cattle. I. Effects of non-genetic factors . Acta Agric. Scand. , 30 : 109 – 124 .
   Google Scholar
• Kattesh , H. G. , Kornegay , E. T. , Gwazdauskas , F. C. , Knight , J. W. and Thomas , H. R. 1979 . Peripheral plasma testosterone concentration and sexual behavior in young prenatally stressed boars . Theriogenology , 12 : 289 – 305 .
   Google Scholar
• McCall , D. G. 1978 . Factors affecting hogget lambing performance , 29 New Zealand : Whatawhata Hill Country Research Station . Annual report 1977–78. Hamilton, New Zealand. Ministry of Agriculture and Fisheries
   Google Scholar
• Robison , O. W. 1979 . The influence of maternal effects on the efficiency of selection 8 EAAP, Harrogate, England, 23.-26.7.1979
   Google Scholar
• Solbu , H. 1972 . Fertility in dairy cattle , 42 Ås-NLH : Inst. for husdyravl . Mimeograph
   Google Scholar