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Two thousand three hundred guinea fowl eggs collected at Gampela Station in Burkina Faso were weighed, then divided into six classes ranging from 20–25 g to 45–50 g. The eggs were incubated and the following parameters were recorded: fertility and hatching rates, guinea fowl weight, mortality, and weight growth up to 56 days of age. The average egg weight was 35.2 ± 1.3 g with unequal distribution in the six classes; the highest number of eggs was in class 35–40 g. The average egg fertility rate was 84.4%; it was correlated (r = 0.81; p < 0.05) to egg weight. The apparent hatching rate was 65.7% and the actual rate was 82.7%; the latter was correlated (r = 0.85; p < 0.05) to egg weight. The average hatching live weight of guinea fowl was 25.3 ± 4.3 g; it was also significantly related to egg weight (r = 0.96; p < 0.05). The average mortality rate for guinea fowl was 16.5%; it was related to the weight of the egg and therefore of the chick. The average weight of guinea fowl at 56 days (PDS56) was 152.5 ± 20.3 g; it was related to egg weight (EW) according to the regression: PDS56 = -279.1 + 11.8 EW with R² = 0.87. This study shows that it is important to reject low-grade eggs (< 35 g) in order to produce high-performance chicks.

revue d'élevage et de médecine vétérinaire des pays tropicaux/revue d'élevage et de médecine vétérinaire des pays tropicaux

Effet du poids de l’œuf de pintade (&lt;em&gt;Numida meleagris&lt;/em&gt;) sur les paramètres de reproduction et de croissance des pintadeaux au Burkina Faso