鹌鹑表型和繁殖年龄对产蛋及特性的影响

Kouatcho François Djitie, Alvine Eleonor Akana, R. Radu-Rusu, A. Teodorescu, M. Usturoi, F. Ngoula, A. Téguia
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引用次数: 2

摘要

为了评估表型和鹌鹑年龄对产蛋率和蛋特性的影响,2019年2月至8月在Ngaoundéré进行了一项研究。216只鹌鹑根据年龄和表型分为36批,每组6只(5只雌性和1只雄性)。实验动物为白色、斑点白色、灰色和棕色表型,分别为1个月、6个月和10个月大。在晚上8点到4点到8点之间收集鸡蛋三周,进行计数、称重和测量。每个表型随机选择15个卵子,分别破碎,从而可以评估内部参数。主要结果表明,在下午4点至8点之间,鹌鹑产下的蛋较多,在一个月的产卵率最高,斑点白表型的产卵率高于其他表型(74.03%)。在一个月的繁殖年龄,具有斑点白色表型的鹌鹑在六个月时表现出更高的产蛋率(93.34%),棕色(78.75%)和灰色(74%),最后在十个月时显示出白色(71%)。重量、高度、直径和蛋形指数不随鹌鹑表型的变化而变化。白鹌鹑的蛋体积最高(12.60毫升)。白斑鹌鹑的外壳比其他表型的更厚。灰鹌鹑产下的蛋具有最高的霍氏指数和食用物质比例。褐色鹌鹑蛋的干蛋黄含量较高。蛋白的干物质和水分含量不随鹌鹑表型的变化而变化。考虑到所获得的结果,已经得出结论,斑点白表型鹌鹑更适合繁殖,因为它们呈现出最佳的可食用物质产卵比例。
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Effect of the Quail Phenotype and Breeding Age on Egg Laying and Characteristics
In order to evaluate the effect of phenotype and quail age on laying rate and egg characteristics, a study has been carried out in Ngaoundéré from February to August 2019. 216 quails were divided into 36 batches of 6 animals each (5 females and 1 male) according to age and phenotype. The experimental animals were white, spotted white, grey and brown phenotypes and were one, six and ten months old. Eggs were collected for three weeks between 8 pm - 4 pm and 4 pm - 8 pm, counted, weighed and measured. 15 eggs per phenotype were randomly selected, broken individually, which allowed the internal parameters to be evaluated. The main results show that the quails laid more eggs between 4 pm - 8 pm, the highest laying rate was obtained in quails at one moth of laying and the spotted white phenotype had a high laying rate (74.03%) compared to other phenotypes. At one month of breeding age, quails with the spotted white phenotype showed a higher laying rate (93.34%), brown (78.75%) and grey (74%) at six months and finally white (71%) at ten months. Weight, height, diameter and egg shape index did not vary with the quail phenotype. The highest egg volume (12.60 ml) was found in white quails. The shells of white spotted quails were thicker than those of other phenotypes. Grey quails laid eggs with the highest Haugh’s index and proportion of edible matter. Brown quail eggs were found to have a higher proportion of dry yolk matter. Dry matter and moisture content of albumen did not vary with the quail phenotype. Considering the results obtained, it has been concluded that spotted white phenotype quails are more suitable for reproduction as they presented the best egg-laying proportions of edible matter.
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