一岁安纳托利亚水牛犊牛体型和超声波胴体特征的遗传。

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

Archiv Fur Tierzucht-Archives of Animal Breeding Pub Date : 2023-11-16 eCollection Date: 2023-01-01 DOI:10.5194/aab-66-325-2023

Samet Çinkaya, Mustafa Tekerli

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The least-square means for body weight (BW), wither height (WH), rump height (RH), body length (BL), chest width (CW), hip width (HW), chest circumference (CC), cannon-bone circumference (CBC), longissimus muscle area (LMA), longissimus muscle depth (LMD), and subcutaneous fat thickness (SFT) in yearling calves were 175.41 <math><mo>±</mo></math> 2.06 kg, 108.35 <math><mo>±</mo></math> 0.34, 111.85 <math><mo>±</mo></math> 0.37, 103.74 <math><mo>±</mo></math> 0.41, 33.93 <math><mo>±</mo></math> 0.23, 30.56 <math><mo>±</mo></math>  0.23, 135.18 <math><mo>±</mo></math> 0.60, 15.69 <math><mo>±</mo></math> 0.08 cm, 19.36 <math><mo>±</mo></math> 0.45 cm<math><msup><mi></mi><mn>2</mn></msup></math>, 3.086 <math><mo>±</mo></math> 0.028, and 0.655 <math><mo>±</mo></math> 0.006 cm, respectively. 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引用次数: 0

摘要

体型和超声波胴体特征与动物的生长和肌肉有关。这些性状有望在未来的动物育种中通过遗传选择得到改善。在育种计划中，了解（共）方差成分有助于揭示动物之间的性能差异，并发现适合选择的性状。研究对象是 36 个农场 2019 年出生的 313 头安纳托利亚水牛犊牛。一岁犊牛体重（BW）、枯高（WH）、臀高（RH）、体长（BL）、胸宽（CW）、臀宽（HW）、胸围（CC）、炮骨围（CBC）、长肌面积（LMA）、长肌深度（LMD）和皮下脂肪厚度（SFT）的最小平方均值分别为 175.41±2.06千克、108.35±0.34、111.85±0.37、103.74±0.41、33.93±0.23、30.56±0.23、135.18±0.60、15.69±0.08厘米、19.36±0.45平方厘米、3.086±0.028和0.655±0.006厘米。BW、WH、RH、BL、CW、HW、CC、CBC、LMA、LMD 和 SFT 的直接遗传率分别为 0.334 ± 0.032、0.483 ± 0.044、0.473 ± 0.043、0.441 ± 0.041、0.364±0.034、0.432±0.040、0.435±0.040、0.226±0.021、0.0001±0.000、0.300±0.026 和 0.539±0.046。本研究预测的遗传和表型相关性在 0.02 至 0.90 之间。除了 CW 和 HW 之间的遗传相关性外，体型和超声胴体性状之间的遗传和表型相关性均显著（P0.01）。对 PLAG1、NCAPG、LCORL 和 HMGA2 基因的一些多态性进行了分析。结果发现，在该水牛群体中，PLAG1 和 NCAPG 基因的两个单核苷酸多态性（SNPs）是单态的。同时，LCORL 和 HMGA2 基因的两个 SNPs 的影响不显著，但在最小平方均值方面表现出一定的倾向性。研究结果表明，安纳托利亚水牛具有改善生长和肌肉特性的潜力。

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Inheritance of body size and ultrasound carcass traits in yearling Anatolian buffalo calves.

The body size and ultrasound carcass traits are related to the growth and muscling of animals. These characters promise future improvement through genetic selection in animal breeding. In breeding programs, knowing the (co)variance components serves to reveal the performance differences among animals and detection of suitable traits for selection. The research was carried out with 313 Anatolian buffalo calves born in 2019 at 36 farm operations. The least-square means for body weight (BW), wither height (WH), rump height (RH), body length (BL), chest width (CW), hip width (HW), chest circumference (CC), cannon-bone circumference (CBC), longissimus muscle area (LMA), longissimus muscle depth (LMD), and subcutaneous fat thickness (SFT) in yearling calves were 175.41  $\pm$  2.06 kg, 108.35  $\pm$  0.34, 111.85  $\pm$  0.37, 103.74  $\pm$  0.41, 33.93  $\pm$  0.23, 30.56  $\pm$   0.23, 135.18  $\pm$  0.60, 15.69  $\pm$  0.08 cm, 19.36  $\pm$  0.45 cm $^{2}$ , 3.086  $\pm$  0.028, and 0.655  $\pm$  0.006 cm, respectively. The direct heritabilities for BW, WH, RH, BL, CW, HW, CC, CBC, LMA, LMD, and SFT were 0.334  $\pm$  0.032, 0.483  $\pm$  0.044, 0.473  $\pm$  0.043, 0.441  $\pm$  0.041, 0.364  $\pm$  0.034, 0.432  $\pm$  0.040, 0.435  $\pm$  0.040, 0.226  $\pm$  0.021, 0.0001  $\pm$  0.000, 0.300  $\pm$  0.026, and 0.539  $\pm$  0.046, respectively. The genetic and phenotypic correlations predicted in this study ranged from 0.02 to 0.90. All the genetic and phenotypic correlations among body size and ultrasound carcass traits were significant ( $P < 0.01$ ), except for the genetic correlation between CW and HW. Some polymorphisms in PLAG1, NCAPG, LCORL, and HMGA2 genes were analyzed. Two single-nucleotide polymorphisms (SNPs) for PLAG1 and NCAPG genes were found to be monomorphic in this buffalo population. Meanwhile, the effects of two SNPs in the LCORL and HMGA2 genes were not significant but showed some tendencies in the aspects of least-square means. The results of the study indicated that the Anatolian buffaloes have the potential to improve in growth and muscling characteristics.

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来源期刊

Archiv Fur Tierzucht-Archives of Animal Breeding 农林科学-奶制品与动物科学

CiteScore

3.20

自引率

0.00%

发文量

审稿时长

18-36 weeks

期刊介绍： Archives Animal Breeding is an open-access journal publishing original research papers, short communications, brief reports, and reviews by international researchers on scientific progress in farm-animal biology. The journal includes publications in quantitative and molecular genetics, genetic diversity, animal husbandry and welfare, physiology, and reproduction of livestock. It addresses researchers, teachers, stakeholders of academic and educational institutions, as well as industrial and governmental organizations in the field of animal production.