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Scientific Articles

Concentrations of oestrone sulphate during pregnancy in milk from Jersey and Friesian dairy cows differing in milk yield and composition

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Pages 89-92 | Accepted 23 Aug 1993, Published online: 22 Feb 2011

References

  • Hamon , M , Fleet, , IR , Holdsworth , RJ and Heap , RB . 1981 . The time of detection of oestrone sulphate in milk and the diagnosis of pregnancy in cows . British Veterinary Journal , 137 : 71 – 7 .
  • Heap , RB and Hamon , M . 1979 . Oestrone sulphate in milk as an indicator of a viable conceptus in cows . British Veterinary Journal , 135 : 355 – 63 .
  • Heap , RB , Hamon , M and Fleet , IR . 1983 . Factors affecting oestrone sulphate concentrations in milk . British Veterinary Journal , 139 : 79 – 88 .
  • Holdsworth , RJ , Heap , RB , Booth , JM and Hamon , M . 1982 . A rapid direct radioimmunoassay for the measurement of oestrone sulphate in the milk of dairy cows and its use in pregnancy diagnosis . Journal of Endocrinology , 93 : 7 – 12 .
  • Power , MJ , Cleere , WF , Gosling , JP , Fottrell , PF , Langley , OH and Streenan , JM . 1985 . A direct, high throughput, enzyme immunoassay for oestrone sulphate in the milk of cows . Irish Veterinary Journal , 39 : 18 – 24 .
  • Ahlborn , G and Bryant , AM . 1992 . Producrion, economic performance and optimum stocking rates of Holstein-Friesian and Jersey cows . Proceedings of the New Zealand Society of Animal Production , 52 : 7 – 9 .
  • Henderson , KM , Karanikolas , M , Kenealy , L and Macmillan , KL. 1992 . Concentrations of oestrone sulphate in milk during pregnancy in cows . Proceedings of the New Zealand Society of Animal Production , 52 : 17 – 19 .

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