Physico-Mechanical Properties of Dupska Pramenka Wool as Breed Characterization Descriptors

B. Važić, Biljana Rogić, I. Pihler, Z. Steiner, Vesna Gantner
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Abstract

Summary The characterization of animal genetic resources includes morphometric, production and genetic characterization. This paper aims to determine the annual yield, staple length, and physico-mechanical properties of the wool of the Dupska Pramenka sheep. The average annual wool yields of a total of 130 ewes and 14 rams enrolled in the study were 2.120 kg and 3.340 kg, respectively. Wool samples were taken from the left shoulder, posterior rib, and pelvis of a total of 50 sheep (36 ewes and 14 rams). The lengths of wool staples collected from three body sites of the ewes were 20.92 cm, 21.75 cm, and 22.25 cm, respectively. The lengths of wool staples collected from three body sites of rams were 23.50 cm, 22.14 cm, and 23.64 cm, respectively. The height and length of wool fibers of the ewes were 21.97 cm and 22.85 cm on the shoulder, 22.38 cm and 23.10 cm on the posterior rib, and 23.06 cm and 23.77 cm on the pelvis. The height and length of wool fibers of the rams were 22.00 cm and 22.89 cm on the shoulder, 22.54 cm and 23.26 cm on the posterior rib, and 22.61 cm and 23.40 cm on the pelvis. The average fineness of wool fibers of the ewes was 43.08 µ, whereas the fineness of wool fibers of the rams was 45.43 µ. The Dupska Pramenka sheep were found to have mixed fibers: axillary (over 45µ), accounting for51.64% in the ewes and 54.91% in the rams, and transitional (30–45µ), accounting for 28.76% in the ewes and 32.80% in the rams. Fiber fluff (10–30µ) accounted for 19.83% and 12.98% in the fleeces of ewes and rams considered, respectively.
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杜普斯卡普拉门卡羊毛的物理机械特性作为品种特性描述符
摘要 动物遗传资源的特征描述包括形态计量、产量和遗传特征描述。本文旨在确定 Dupska Pramenka 羊的年产量、短绒长度和羊毛的物理机械特性。参与研究的 130 只母羊和 14 只公羊的平均年产毛量分别为 2.120 公斤和 3.340 公斤。羊毛样本取自 50 只绵羊(36 只母羊和 14 只公羊)的左肩、后肋和骨盆。从母羊身体三个部位采集的羊毛长度分别为 20.92 厘米、21.75 厘米和 22.25 厘米。从公羊三个身体部位采集的羊毛短纤维长度分别为 23.50 厘米、22.14 厘米和 23.64 厘米。母羊肩部的羊毛纤维高度和长度分别为 21.97 厘米和 22.85 厘米,后肋部的羊毛纤维高度和长度分别为 22.38 厘米和 23.10 厘米,骨盆的羊毛纤维高度和长度分别为 23.06 厘米和 23.77 厘米。公羊羊毛纤维的高度和长度分别为:肩部 22.00 厘米和 22.89 厘米,后肋部 22.54 厘米和 23.26 厘米,骨盆部 22.61 厘米和 23.40 厘米。母羊的羊毛纤维平均细度为 43.08 微米,而公羊的羊毛纤维平均细度为 45.43 微米。Dupska Pramenka 绵羊的纤维混杂:腋毛(45 微米以上)占母羊的 51.64%,占公羊的 54.91%;过渡纤维(30-45 微米)占母羊的 28.76%,占公羊的 32.80%。纤维绒(10-30µ)在母羊和公羊的绒毛中分别占 19.83% 和 12.98%。
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