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Article Dans Une Revue Journal of chemical, biological and physical sciences. Section B Biological Sciences Année : 2018

Effects of breed or sex on average daily gain of locals bovine and crossbred. Consequence on milk yield

Résumé

Two meta-analysis were conducted to determine; (i) the effects of breed or sex on average daily gain of locale and crossbreds cows originating from Ivory Coast and ( ii), the effect of breed on daily milk yield of these suckled cows. The first analysis showed that the average daily gain of N’Dama breed (482 g/j) is significantly higher than average daily gain of Baoulé breed (304 g/j). Average daily gain of crossbred (Jersiais x N’Dama) cows did not differ with average daily gain of N’dama or Baoulé breeds. No difference between entire and castrated bulls was noted. The second analysis showed that daily milk yield from suckled cows of crossbred (Jersiais x N’Dama) cows (4, 94 kg/j) is higher more daily milk yield from N’Dama or Baoulé cows (2, 05 and 2, 01 kg/j, respectively). However, there is no difference between in the daily milk yield between N’Dama and Baoulé breeds. Analysis confirmed the interest of crossbreeding local Ivory Coast breeds with jersey breed, resulting in increased milk production without any deleterious effect on meat production.
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Dates et versions

hal-01961399 , version 1 (19-12-2018)

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M. Komara, B. Traoré, N. Ouattara, Yannick Le Cozler. Effects of breed or sex on average daily gain of locals bovine and crossbred. Consequence on milk yield. Journal of chemical, biological and physical sciences. Section B Biological Sciences, 2018, 8 (3), pp.536-541. ⟨10.24214/jcbps.B.8.3.53641⟩. ⟨hal-01961399⟩
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