利用微卫星标记研究伊拉克本地奶牛和进口奶牛的遗传多样性和生产性能

IF 1.1 Q3 AGRICULTURE, MULTIDISCIPLINARY

IRAQI JOURNAL OF AGRICULTURAL SCIENCES Pub Date : 2023-12-29 DOI:10.36103/ijas.v54i6.1854

S. M. Al-Jub, Riyadh Hamad Senkal

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引用次数: 0

摘要

这项研究使用了伊拉克五个品种的 100 头奶牛：Restaki（n=10）、Janoubi（n=10）、Sharabi（n=10）（本地）、荷斯坦（n=50）和雄性婆罗门（n=20）（进口）。结果表明，在所研究的奶牛样本中，三个标记的等位基因分布比存在着非常高的多样性和非常显著的差异，结果表明基因型优于等位基因的效果显著（P≤0.ETH10标记中的基因型LY在使雷斯塔基奶牛受精所需的授精次数最少（即1.16次授精）方面具有优势（P≤0.05），而ETH10和CSSM66标记中的基因型GP和AB在荷斯坦奶牛的总平均产奶量方面具有优势（P≤0.05），达到1.44。标记 CSSM66 中的 CC 基因型在婆罗门公牛中平均总重量最高，达到 502.75。因此，微卫星标记有助于绘制所研究奶牛的数量性状图。

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GENETIC DIVERSITY AND PRODUCTIVE PERFORMANCE IN LOCAL AND IMPORTED IRAQI COWS USING MICROSATELLITE MARKERS

The study was conducted us to identify the genetic features of the microsatellite markers CSSM66 and ETH10 and ILSTS34 and their relationship to genetic diversity and productive performance this study was carried out using 100 cows of five breeds presented in Iraq ; Restaki (n=10) , Janoubi (n=10) , Sharabi (n=10) , (local), Holstein (n=50) and male Brahman (n=20) (imported).The results showed the presence of a very high diversity and a highly significant difference in a sample of studied cows in the allele distribution ratios for the three markers, the results showed a significant effect (P≤0.05) superiority of the genotype LY within the ETH10 marker in the least number of inseminatons required for fertilization of Restaki cows, namely 1.16 insemination, and the genotype GP and AB within ETH10 and CSSM66 markers, respectively, recorded the highest total average milk yield with a significant value (P≤0.05) for Holstein cows, reached 1.44 . The CC genotype within markers CSSM66 had the highest mean total weight with an average of 502.75 among Brahman bulls. Therefore, microsatellites markers contributed to the mapping of quantitative traits in the studied cows

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来源期刊

IRAQI JOURNAL OF AGRICULTURAL SCIENCES AGRICULTURE, MULTIDISCIPLINARY-

CiteScore

2.30

自引率

50.00%

发文量

140

审稿时长

6 weeks

期刊介绍： IRAQI JOURNAL OF AGRICULTURAL SCIENCES (IJAS)is the first agric. scientific and refereed journal established in Iraq. The first volume was published in 1966. IJAS is registered in the number 137 in 1988 of the Baghdad National Library. Years ago, it was published with one issue a year. For the time being, it is published bimonthly (6 issues for a volume). IJAS Deal with: Field Crops. Plant Breeding. Agricultural Economics. Agricultural Extension. Agricultural Mechanization. Basic sciences. Hort. Sciences. Animal Husbandry. Food Technology, Plant Pathology. Plant Entomology. Poultry Sciences. Soil Sciences. Water Resources. Veterinary. Biology.