A comparative analysis of economic traits between purebred and synthesized sheep breeds in dry and harsh environments of Iran

IF 1.6 3区农林科学 Q2 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Small Ruminant Research Pub Date : 2024-11-07 DOI:10.1016/j.smallrumres.2024.107388

Skala Idrees Hama Faraj , Amir Rashidi , Maliheh Moghim , Mohammad Razmkabir , Peyman Mahmoudi

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Abstract

The present study aimed to compare economic traits of Baluchi as an indigenous purebred and Iran-Black and Arman as synthesized breeds of sheep in Iran. Data of Baluchi, Iran-Black and Arman were collected from the Abbas Abad Breeding Station located in Mashhad, Iran. The studied pre-weaning traits included birth weight (BW), weaning weight (WW), and survival from birth to weaning (SU). The studied reproductive traits included litter size at birth (LSB), litter size at weaning (LSW), total litter weight at birth (TLWB), and total litter weight at weaning (TLWW). Data was analyzed using the generalized linear model (GLM) procedure in SAS software. The least square means were compared using a Tukey test at a significance level of 0.05. The least square means for BW were 3.87, 3.71 and 3.75 kg, for WW were 20.06, 20.86 and 20.98 kg, and for SU were 88.26, 82.94 and 90.26 percent in Baluchi, Iran-Black and Arman sheep, respectively. The least square means for LSB and LSW were 1.31, 1.59, 1.57 lambs born per ewe and 1.17, 1.31, 1.42 lambs weaned per ewe for Baluchi, Iran-Black and Arman sheep, respectively. The least square means for TLWB in purebred and synthetic breeds differed significantly, with values of 5.66 kg, 6.25 kg, and 6.31 kg for Baluchi, Iran-Black and Arman sheep, respectively. Furthermore, the least square means for TLWW was 28.94 kg, 32.16 kg and 33.67 kg per ewe in Baluchi, Iran-Black and Arman sheep, respectively. The results obtained in this study indicated that TLWW in Iran-Black and Arman ewes increased by approximately 11.13 % and 16.34 % compared to Baluchi ewes, respectively. It can be concluded that crossbreeding Baluchi sheep with foreign breeds to create synthetic breeds has had a positive impact on the efficiency of the sheep industry in Iran.

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伊朗干旱和恶劣环境下纯种绵羊与合成绵羊经济性状的比较分析

本研究旨在比较伊朗本土纯种绵羊俾路支（Baluchi）与伊朗黑绵羊（Iran-Black）和阿尔曼（Arman）合成品种的经济特征。从位于伊朗马什哈德的阿巴斯-阿巴德育种站收集了俾路支羊、伊朗黑羊和阿尔曼羊的数据。研究的断奶前性状包括出生体重（BW）、断奶体重（WW）和从出生到断奶的存活率（SU）。研究的繁殖性状包括出生窝重（LSB）、断奶窝重（LSW）、出生窝总重（TLWB）和断奶窝总重（TLWW）。数据采用 SAS 软件中的广义线性模型 (GLM) 程序进行分析。采用 Tukey 检验比较最小平方均值，显著性水平为 0.05。俾路支绵羊、伊朗黑绵羊和阿曼绵羊的体重最小平方均值分别为 3.87、3.71 和 3.75 千克，WW 分别为 20.06、20.86 和 20.98 千克，SU 分别为 88.26、82.94 和 90.26%。俾路支羊、伊朗黑绵羊和阿尔曼绵羊 LSB 和 LSW 的最小平方均值分别为 1.31、1.59 和 1.57 只/每只母羊出生羔羊，以及 1.17、1.31 和 1.42 只/每只母羊断奶羔羊。纯种绵羊和人工合成品种的绵羊总重量最小平方均值差异显著，俾路支羊、伊朗黑绵羊和阿尔曼绵羊的总重量分别为 5.66 千克、6.25 千克和 6.31 千克。此外，俾路支绵羊、伊朗黑绵羊和阿尔曼绵羊每只母羊的总重量最小平方均值分别为 28.94 千克、32.16 千克和 33.67 千克。研究结果表明，与俾路支母羊相比，伊朗黑羊和阿尔曼母羊的总重量分别增加了约 11.13 % 和 16.34 %。由此可以得出结论，俾路支绵羊与外国品种杂交培育出的合成品种对伊朗绵羊产业的效率产生了积极影响。

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来源期刊

Small Ruminant Research 农林科学-奶制品与动物科学

CiteScore

3.10

自引率

11.10%

发文量

210

审稿时长

12.5 weeks

期刊介绍： Small Ruminant Research publishes original, basic and applied research articles, technical notes, and review articles on research relating to goats, sheep, deer, the New World camelids llama, alpaca, vicuna and guanaco, and the Old World camels. Topics covered include nutrition, physiology, anatomy, genetics, microbiology, ethology, product technology, socio-economics, management, sustainability and environment, veterinary medicine and husbandry engineering.