Post-parturn oestrous interval of single-suckled Angus beef cows

References

• Barton , R. A. 1970 . “ The yield and composition of milk of suckled beef cows and their relation to calf liveweight gain ” . In New Zealand Beef Production, Processing and Marketing , Edited by: Campbell , A. G. 130 – 130 . Wellington : New Zealand Institute of Agricultural Science . In
   Google Scholar
• Bosman , D. J. and Harwin , G. O. The occurrence of post-partum oestrus in beef cows under ranching conditions . Proceedings of the South African Society of Animal Production . Vol. 8 , pp. 165 – 166 .
   Google Scholar
• Casida , L. E. , Graves , W. E. , Hauser , E. R. , Lauderdale , J. W. , Riesen , J. W. , Saiduddin , S. and Tyler , W. J. 1968 . “ Studies on the post-partum cow ” . In Research Bulletin No. 270, College of Agricultural and Life Sciences , University of Wisconsin .
   Google Scholar
• Deutscher , G. H. and Whiteman , J. V. 1971 . Productivity as two-year-olds of Angus-Holstein crossbreds compared to Angus heifers under range conditions . Journal of Animal Science , 33 : 337 – 342 .
   PubMed Web of Science ®Google Scholar
• Flores , A. G. 1971 . A study of calving intervals . Dissertation Abstracts International , 32B : 4320 – 4320 .
   Google Scholar
• Harvey , W. R. 1975 . “ Least-squares analysis of data with unequal subclass numbers ” . In United States Department of Agriculture, Agricultural Research Service, Bulletin H-4
   Google Scholar
• Herman , H. A. and Edmondson , J. H. 1950 . Factors affecting the interval between parturition and first oestrus in dairy cattle . Montana Agricultural Experiment Station Research Bulletin, No. , 462
   Google Scholar
• Kaiser , A. G. 1975 . Rearing dairy beef calves by multiple suckling. I. Effects on liveweight change, onset of oestrus and post-weaning milk production . Australian Journal of Experimental Agriculture and Animal Husbandry , 15 : 17 – 24 .
   Google Scholar
• Lang , D. R. , Hight , G. K. , Uljee , A. E. and Young , J. 1968 . A marking device for detecting oestrous activity of cattle . N.Z. Journal of Agricultural Research , 11 : 955 – 958 .
   Web of Science ®Google Scholar
• Laster , D. B. , Glimp , H. A. and Gregory , K. E. 1973 . Effects of early weaning on post-partum reproduction of cows . Journal of Animal Science , 36 : 734 – 740 .
   PubMed Web of Science ®Google Scholar
• Perkins , J. L. and Kidder , H. E. 1963 . Relation of uterine involution and post-partum interval to reproductive efficiency in beef cattle . Journal of Animal Science , 22 : 310 – 315 .
   Google Scholar
• Pleasants , A. B. and Barton , R. A. 1974 . “ Wintering and calving of beef cows on a sawdust pad ” . In Sheep-farming Annual 85 – 95 .
   Google Scholar
• Somerville , S. E. , Lowman , B. G. and Edwards , R. A. 1976 . Effects of plane of nutrition during lactation on milk yield and weight change of suckled beef cows . Animal Production , 22 : 141 – 141 . [Abstract].
   Google Scholar
• Ustinov , A. 1973 . Reproduction in beef cows and measure for its improvement . Animal Breeding Abstracts , 42 : 1017 – 1017 .
   Google Scholar
• Warnick , A. C. 1955 . Factors associated with the interval from parturition to first oestrus in beef cattle . Journal of Animal Science , 14 : 1003 – 1008 .
   Web of Science ®Google Scholar
• Whitmore , H. L. , Tyler , W. J. and Casida , L. E. 1974 . Effects of early post-partum breeding in dairy cattle . Journal of Animal Science , 38 : 339 – 346 .
   PubMed Web of Science ®Google Scholar
• Wiltbank , J. N. , Rowden , W. W. , Ingalls , J. E. , Gregory , K. E. and Koch , R. M. 1962 . Effect of energy level on reproductive phenomena of mature Hereford cows . Journal of Animal Science , 21 : 219 – 225 .
   Web of Science ®Google Scholar
• Wiltbank , J. N. , Rowden , W. W. , Ingalls , J. E. and Zimmerman , D. R. 1964 . Influence of post-partum energy level of reproductive performance of Hereford cows restricted in energy intake prior to calving . Journal of Animal Science , 23 : 1049 – 1053 .
   Web of Science ®Google Scholar