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A.B. in New Zealand dairy herds

I. Losses between the conception of heifer replacements and their calving

Pages 303-307 | Received 06 Aug 1973, Published online: 30 Jan 2012

References

  • N.Z. Dairy Board . 1948 . N.Z. Dairy Board 24th Annual Report 48 – 48 .
  • N.Z. Dairy Board . 1961 . N.Z. Dairy Board 37th Annual Report 81 – 81 .
  • N.Z. Dairy Board . 1972 . N.Z. Dairy Board 48th Farm Production Report 30 – 30 .
  • Roberts , S. J. 1971 . Veterinary Obstetrics and Genital Diseases (Theriogenology) , 2nd Edition , Ithaca : S. J. Roberts . 90 pp
  • Salisbury , G. W. and VanDemark , N. L. 1961 . Physiology of Reproduction and Artificial Insemination of Cattle , San Francisco : W. H. Freeman and Company . 94 pp

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