Publications Scientifiques

[ Article ] Seasonal variations in the crop contents of scavenging Helmeted Guinea Fowls (Numida meleagris, L.) in Parakou (Benin)

Date de soumission: 07-04-2017
Année de Publication: 2008
Entité/Laboratoire Laboratoire de Zootechnie (LZ)
Document type : Article
Discipline(s) : Productions Animales & Zootechnie
Titre Seasonal variations in the crop contents of scavenging Helmeted Guinea Fowls (Numida meleagris, L.) in Parakou (Benin)
Auteurs DAHOUDA Mahamadou [1], SEIBOU TOLEBA Soumanou [2],
Journal: British Poultry Science
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 49
Resume Abstract 1. An experiment was carried out with 120 helmeted guinea fowls during one year in Parakou (Benin). Feed intake, ingredient and chemical composition, along with the nutritional adequacy of scavenging diets were measured during the rainy season (November—February) and dry season (March—October) in order to propose supplementation strategies. Ingredients found in crops were identified and allocated into 6 main categories (supplemental feed, seeds, green forages, animal materials, mineral matter and unidentified materials). 2. Mean dry weights of crop contents were significantly higher in the rainy than in the dry season. Amounts and proportions of supplemental feed and seeds were not significantly different between seasons, whereas those of green forage, animal materials and mineral matter were higher in rainy season. Supplemental feed, especially maize and sorghum, was the largest component of the crop content in both seasons. The most represented grass seeds were Panicum maximum (rainy season) and Rottboellia cochinchinensis (dry season). 3. Dietary concentrations of organic matter, non-nitrogen extract and metabolisable energy were higher in the dry season, while mineral concentrations were higher in the rainy season. There were no significant differences between the two seasons in dry matter, crude protein or crude fibre. 4. Scavenging provided insufficient nutrients and energy to allow guinea fowls to be productive. Therefore, more nutritionally balanced supplementary feed would be required during both seasons.
Mots clés keywords: found, ingrédients, Guinea fowls, nutrients
Pages 751 - 759

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