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Factors affecting fertility and hatchability of guinea fowl eggs in Nigeria

Published online by Cambridge University Press:  18 September 2007

B.I. Nwagu
B.I. Nwagu
Affiliation:
National Animal Production Research Institute, Ahmadu Bello University, P.M.B. 1096, Shika-Zaria, Nigeria
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Abstract

This paper considers some of the factors affecting the fertility and hatchability of guinea fowl eggs. In addition to genetic components there is a wide range of environmental influences that affect these two measures of performance. These include severe nutritional deficiencies, certain drugs and feed contamination with pesticides and mycotoxins. After eggs are laid, faulty handling and storage conditions and incorrect fumigation procedures have harmful effects on hatchability, while correct incubation temperature, humidity and ventilation rates during the setting and hatching stages are essential for optimum results. The causes of low levels of hatchability can be identified by the careful examination of eggs which fail to hatch. However, accurate and complete records relating to the breeder flock and the history of the eggs from the nest through to the completion of incubation are essential for problem solving and in helping to obtain optimum results.

Keywords

Fertilityguinea fowlhatchabilityincubationNigerianutrition
Type
Regional Reports
Information
World's Poultry Science Journal , Volume 53 , Issue 3 , September 1997 , pp. 279 - 286
Copyright
Copyright © Cambridge University Press 1997

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