印度北方邦东部温迪亚地区独特土著山羊的表型特征

Priya Ranjan Kumar, Mahipal Choubey, Anshuman Kumar
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摘要

本研究旨在研究北方邦东部温迪亚地区未开发的本地山羊的形态、形态计量、生产和繁殖特征。研究从 45 个村庄和 449 个农户中收集了 308 只公山羊和 590 只母山羊的数据。自古以来,贫困和边缘化的农民为了生计保障,在广泛的零投入生产系统下管理山羊。这些山羊体型较小,呈黑色或棕色,主要用于肉类生产。头部平直或微凸,耳朵扁平、多叶、下垂,尾巴束状、向上弯曲。口吻、眼睑和蹄主要是黑色的,角是扁平、弯曲和螺旋形的,方向向上-向后-向外。雄性的平均成年体重为(31.34±0.38)千克,雌性的平均成年体重为(28.78±0.12)千克。成年雄性山羊的体长、肩高和胸围平均值(厘米)分别为 66.41±0.34、72.65±0.42 和 77.77±0.58,成年雌性山羊的体长、肩高和胸围平均值(厘米)分别为 65.08±0.14、69.22±0.24 和 74.35±0.16。这些山羊是季节性繁殖动物,主要繁殖期为 5 月至 7 月,通过自然役使进行繁殖。首次发情年龄约为 9 个月,首次产仔年龄约为 15 个月。从第二胎开始,双胞胎就很常见。产奶量很低。形态外观和形态测量结果表明,这些本地山羊在表型上有别于邻近地区的其他山羊,可登记为独特品种,以便更好地进行遗传管理。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Phenotypic characterization of distinct indigenous goats from Vindhyan region of Eastern Uttar Pradesh
The present study was aimed to study the morphologic, morphometric, production and reproductive traits of the unexplored native goats from Vindhyan region of Eastern Uttar Pradesh. The data of 308 male and 590 female goats were collected from 45 villages and 449 farmers. The goats are managed under an extensive zero input production system by the poor and marginal farmers for their livelihood security since the time immemorial. These are small sized, black or brown coloured, and primarily raised for meat production. Head is straight to slightly convex, ears are flat, leafy and pendulous, and tail is bunchy and curved upward. Muzzle, eyelids and hooves are predominantly black and the horns are flat, curved and spiral with upward-backward-outward orientation. The average adult body weight was 31.34±0.38 kg in males and 28.78±0.12 kg in females. The means (cm) for body length, height at withers and chest girth were 66.41±0.34, 72.65±0.42 and 77.77±0.58, respectively, in adult males and 65.08±0.14, 69.22±0.24 and 74.35±0.16, respectively, in adult females. These goats are seasonal breeder with major breeding season from May to July and bred through natural service. Age at first estrus was ~9 months and age at first kidding was ~15 months. Twinning was common from second parity onwards. Milk production was found to be very low. The morphological appearance and morphometric measurement indicate that these indigenous goats are phenotypically distinct from the other goats of the adjoining area and can be registered as unique breed for better genetic management.
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