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"Experientia docet" - Experience is the best teacher

Genetic parameters for ostrich incubation traits in South Africa

  • 2009
  • Issue: 4
  • Volume: 39
Z. Brand, S.W.P. Cloete, I.A. Malecki and C.R. Brown Page: 253 - 259

Data obtained from a pair-mated ostrich flock located at Oudtshoorn, South Africa, were used to estimate genetic parameters for egg weight (EWT), weight of day-old chicks (CWT), water loss to 21  (WL21) and 35 (WL35) days of incubation, and pipping…

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A preliminary study on the application of image analysis for the measurement of ostrich eggshell traits (Short communication)

  • 2006
  • Issue: 3
  • Volume: 36
S.W.P. Cloete Jr, A.J. Scholtz, Z. Brand and S.W.P. Cloete Page: 155 - 159

Embryonic mortality in developing ostrich embryos has been linked to water loss in eggs during artificial incubation. Traits possibly related to water loss were assessed on shell samples obtained from 512 hatched ostrich eggs. Moderate to high repeatability estimates (0.43…

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