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"Experientia docet" - Experience is the best teacher

Non-genetic sources of variation influencing yield and composition of milk production parameters in South African Saanen goats

  • 2024
  • Issue: 5
  • Volume: 54
M.J. Malemela, K.R. Nemutandani & O. Tada Page: 620 - 630

This study tested the importance of non-genetic effects on average lactation performance in yields of milk, fat, protein, and lactose; urea concentration; persistency; somatic cell count; net returns; as well as estimated phenotypic relationships between dam kidding age and these…

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A note on the phenotypic relationship between 18-month mating mass and average lifetime reproductive performance of Merino ewes

  • 1986
  • Issue: 2
  • Volume: 16
S.W.P. Cloete & H.J. Heydenrych Page: 97 - 99

        The relationship between 18-month mating mass and average lifetime conceptions/mating (Ec/Em), lambs born/conception (Lb/Ec), lambs born/mating(Lb/Em), preweaning mortalities/Iamb born (Ld/Lb) and lambs weaned/mating (Lw/Em) was investigated with data from 1222 Merino ewes available for at least…

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