Duration of storage and positioning of the egg before brooding: effect on the internal quality and hatchability parameters of local chicken (Gallus gallus domesticus) eggs in Cote d’Ivoire
Journal Title: Asian Journal of Agriculture and Biology - Year 2018, Vol 6, Issue 1
Abstract
In Côte d’Ivoire, the local hen breeding constitutes nearly 70% of national poultry livestock in Côte d’Ivoire. Local hens of Côte d’Ivoire in general, are less known by scientific community because it is almost fewer characterized. In this context, it is necessary to work with the aim of improving local hens’ productivity in order to contribute at food self-sufficiency. Therefore, the present study was carried out to assess the shelf life and placement of the egg before brooding.240 eggs from 82 local hens aged 36 weeks were divided in 6 batches of 40 eggs each. At first 3 batches were stored during 3 days, 5 days and 10 days respectively for batch 1, batch 2 and batch 3. Secondarily, the 3 others batches were stored during 5 days using 3 breeding positions namely vertical position with small end up, vertical position with the small end down and the horizontal position. Influences of storage duration on eggs weight and position of eggs on hatchability characteristics were evaluated. The study showed that the positioning of the eggs significantly influenced hatchability and the horizontal storage position gave the best results compared to the two other positions. The average fertility of the local eggs recorded in this study showed out that long-term stored eggs presented lower hatching average. For the local hens, a storage of 5 days maximum before incubation of the eggs is advisable. The positioning and storage time significantly influenced the weight and hatchability of local eggs.
Authors and Affiliations
N’dri Aya Lydie
Keywords
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