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"Experientia docet" - Experience is the best teacher

Evaluation of synchronization protocols and methods of early pregnancy diagnosis in dairy cattle

  • 2020
  • Issue: 6
  • Volume: 50
A.H. Shahzad, A. Sattar, N. Ahmad, I. Ahmad, M.S. Yousaf, S. Abbas, R.S. Blouch, D. Nak, Y. Nak, D.L. Ray & W.J. Silvia (deceased) Page: 793 - 799

The studies aimed to evaluate the pregnancy rate (PR) for timed artificial insemination (TAI) after G7G-Ovsynch, modified G7G-Ovsynch (MG7G-Ovsynch) and Ovsynch protocols and to assess the accuracy of using pregnancy-associated glycoproteins (PAGs) and plasma progesterone (P4) in pregnancy diagnosis compared…

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Reproduction performance of beef cattle mated naturally following synchronization in the Central Bushveld bioregion of South Africa

  • 2014
  • Issue: 5
  • Volume: 44
S.M. Grobler, M.M. Scholtz, J.P.C. Greyling & F.W.C. Neser Page: 70 - 74

The estimated calving percentage of beef cattle is 62% in the commercial sector of South Africa.  Fertility is regarded as the main component influencing total herd efficiency in beef cattle. If the long calving seasons can be shortened and the…

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Vooruitgang op die gebied van reproduksie-fisiologie

  • 1985
  • Issue: 3
  • Volume: 15
C.H. van Niekerk Page: 102 - 108

Advances in reproductive physiology. Reproductive physiology plays an important role in the genetic improvement and increasing the fertility of the cow. The following factors which have an important influence on increasing the fertility of the female animal are discussed: Selection…

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Reproductive performance of Karakul ewes following different oestrous synchronisation treatments outside the natural breeding se

  • 2006
  • Issue: 4
  • Volume: 36
M. Safdarian, M. Kafi and M. Hashemi Page: 229 - 234

This study was designed to evaluate the efficiency of five different hormonal treatments of oestrous synchronization in Karakul ewes reared in southern Iran. During mid- to late spring, (outside the natural breeding season), 180 Karakul ewes were stratified based on…

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