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Testicular development in Dorper, Döhne Merino and crossbred rams

  • 1987
  • Issue: 1
  • Volume: 17
S.J. Schoeman & G.C. Combrink Page: 22 - 26

Testicular development from 3 to 14 months of age was examined in Dorper (DD), Dohne Merino (DM) and crossbred (Meatmaster; MM) rams. Testicular measurements included testis volume (TV), diameter (TD), length (TL) and scrotal circumference (SC). Both TD and SC…

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The relationship between testis size and stimulated plasma testosterone concentrations and its influence on mating performance i

  • 1987
  • Issue: 2
  • Volume: 17
S.J. Schoeman, C. Maree & G.C. Combrink Page: 63 - 69

Testis size, stimulated testosterone concentrations and mating performance (serving capacity, libido score and serve : mount ratio) of 14 Dorper rams were measured in the breeding season (March) in order to determine the influence of testis size and testosterone concentration…

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Aspects of cattle production in Transkei

  • 1987
  • Issue: 2
  • Volume: 17
T.J. Bembridge Page: 74 - 78

The importance and problems of cattle production in Transkei are discussed in this paper. Findings show a situation of low levels of production and deteriorating natural resources owing to mismanagement and overstocking.      

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An evaluation of the lamb and mutton carcase grading system in the Republic of South Africa. 2. The use of fat measurements as

  • 1987
  • Issue: 2
  • Volume: 17
G.G. Bruwer, R.T. Naudé, M.M. du Toit, A. Cloete & W.A. Vosloo Page: 85 - 89

A total of 104 carcases were selected on the market in three age groups and four mass classes representative of the six fat classes of the classification system for carcase evaluation. Four subcutaneous fat thickness measurements were taken on the…

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