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New Zealand Veterinary Journal Volume 24, 1976 - Issue 11
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Scientific Article

Aspects of reproduction in New Zealand dairy herds 1. Gestation length

K.L. Macmillan M.Agr.Sc.Ph.D. N.Z. Dairy Board, P.O. Box 232, Feilding
&
R.J. Curnow N.Z. Dairy Board, P.O. Box 232, Feilding
Pages 243-252 | Received 06 Jan 1976, Published online: 23 Feb 2011

References

  • Anderson , H. and Plum , M. 1965 . Gestation length and birth weight in cattle and buffaloes: A review . J. Dairy Sci. , 48 : 1224 – 1235 .
  • Baily , L. F. and Norman , G. R. 1974 . Friesian, Hereford and Charolais sires for artificially reared calves from Friesian and Jersey cows . Aust. J. exp. Agric. & Anim. Husb. , 14 : 429 – 433 .
  • De Fries , J. C. , Touchberry , R. W. and Hays , R. L. 1959 . Heritability of the length of the gestation period in dairy cattle . J. Dairy Sci. , 42 : 598 – 606 .
  • Everitt , G. C. and Jury , K. E. 1972 . Beef production from the dairy herd: Calving performance of cows . N.Z. Jl agric. Res. , 15 : 228 – 251 .
  • New Zealand Dairy Board . 1953 . 29th Annual Report 79 – 80 .
  • O'Conner , L. K. , Wood , P. D. P. and Smith , G. F. 1968 . A note on the differences between geographical areas in the gestation length and birth weight of British Friesian calves . Anim. Prod. , 10 : 125 – 128 .
  • Ostle , B. 1964 . Statistics in Research. Basic Concepts and Techniques for Research Workers , Ames : Iowa State University Press .
  • Rife , D. C. , Gerlaugh , P. , Kunkle , L. , Brandt , G. W. and Snyder , L. H. 1943 . Comparative lengths of the gestation periods of A.A. and Hereford cows carrying purebred and crossbred calves . J. Anim. Sci. , 2 : 50 – 52 .
  • Stewart , A. 1940 . “ A Study of Gestation Periods and Sex Ratios in a N.Z. Dairy Herd ” . In M.Agr. Sc. thesis , Massey College .
  • Touchberry , R. W. and Bereskin , B. 1966 . Crossbreeding dairy cattle. I. Some effects of crossbreeding on the birth weight and gestation period of dairy cattle . J. Dairy Sci. , 49 : 287 – 300 .
  • Ward , A. H. and Castle , O. M. 1947 . Average length of gestation period in dairy cattle in New Zealand . N.Z. Jl Sci. Technol. , 29 : 171 – 173 .
  • Willet , M. D. J. 1950 . The influence of the bull on the gestation period of his offspring . Landbouwk. Tijdschr. , 62 : 636 – 646 .

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