Genetic structure of cattle of different breeds by antigenic blood factors

Agrarian-And-Food Innovations Pub Date : 2022-10-10 DOI:10.31208/2618-7353-2022-18-26-36

N. Chimidova, L. Moiseikina, B. Bolaev, A. Ubushieva

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Abstract

Aim. The study of the genetic polymorphism of erythrocyte antigens in Kalmyk, Kazakh white-headed, Hereford and Simmental cattle, to evaluate their genetic structure, and to compare the blood groups of Kalmyk cattle in the Republic of Kalmykia and the Astrakhan region. Materials and Methods. A comparative characterization of the genetic structure by blood groups of Kalmyk cattle of the Republic of Kalmykia with cattle of the Kazakh Whitehead, Hereford, Simmental and Kalmyk breeds of the Astrakhan region was carried out. Blood group testing was conducted according to standard methods (Neimann-Sorensen) using monospecific serum (Nei M. and Li W.H., 1979) produced by JSC "Samarskoye" for breeding work. Results. Immunogenetic testing of animals was performed according to standard methods (Neimann-Sorensen) using reagents – monospecific serum produced by JSC "Samarskoye" for breeding work. Analysis of immunogenetic testing of Kalmyk cattle in the Republic of Kalmykia established the highest frequency of B2 (69%), E'3 (82%), C1 (88%), W (67%), Z (71%) antigens and the lowest frequency of B' (15%), Q (10%), C2 (17%), F (19%). Blood group testing of Kazakh white-headed breed showed that A1, I', C1, W, L, F antigens had a high frequency index and were 63; 79; 73; 66; 91; 87%, respectively. The antigens B2 (20%), G3 (11%), Y2 (2%), F' (11%), C2 (5%), X2 (5%), U' (12%) had a low frequency rate. Antigens such as O2 and H'' were not found at all. The highest frequency of occurrence of the Hereford antigens was in G2 (69%), O3 (65%), O4 (58%), Y2 (67%), Q (61%), C2 (72%), X2 (59%), L (71%), V (68%), the lowest in B2 (15%), I1 (14%), I' (17%), R2 (13%). The highest frequency of the Simmental breed was observed for the A2 antigen at 66%, Y2 at 77%, C1 at 91%, F at 90%, and H' at 65%. The lowest frequency was observed for the B2 antigen – 5%, I1 – 12%, F' – 11%. Antigens A'2, I', W and U' did not occur at all. Blood group testing of Kalmyk breeds of Astrakhan cattle showed the highest frequency of antigens A2 – 100%, I1 – 70%, A'2 – 90%, O4 – 70%, E'3 – 92%, F' – 70%, R2 – 94%, L – 90%, F – 71% and Z – 100%. Antigens with minimal frequency are O2 (1%), I' (2%), C2 (11%), S1 (1%). Antigens such as O3 and Q were not observed at all. Conclusion. It has been established that the cattle of the Kalmyk breed bred in Kalmykia differs from the animals bred in another zone, providing further improvement of the breed. The genetic status of the breeding stock of the Kalmyk cattle of the Republic of Kalmykia and the Kazakh white-headed, Hereford, Simmental and Kalmyk of the Astrakhan region indicates genetic diversity, multidirectional selection and breeding work in the herds.

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用抗原性血液因子分析不同品种牛的遗传结构

的目标。研究卡尔梅克牛、哈萨克白头牛、赫里福德牛和西门塔尔牛红细胞抗原的遗传多态性，评价其遗传结构，并比较卡尔梅克共和国和阿斯特拉罕地区卡尔梅克牛的血型。材料与方法。对卡尔梅克共和国的卡尔梅克牛与阿斯特拉罕地区的哈萨克怀特海德、赫里福德、西门塔尔和卡尔梅克品种的牛进行了遗传结构的血型比较。血型检测按照标准方法(neiman - sorensen)进行，使用“Samarskoye”JSC生产的单特异性血清(Nei M.和李文华，1979)进行育种工作。结果。动物免疫遗传学检测按照标准方法(neimmann - sorensen)进行，所用试剂为“Samarskoye”JSC生产的单特异性血清，用于育种工作。通过对卡尔梅克牛的免疫基因检测分析，发现B2抗原(69%)、E′3抗原(82%)、C1抗原(88%)、W抗原(67%)、Z抗原(71%)的频率最高，B′抗原(15%)、Q抗原(10%)、C2抗原(17%)、F抗原(19%)的频率最低。哈萨克白头犬血型检测结果显示，A1、I′、C1、W、L、F抗原频率指数较高，均为63;79;73;66;91;87%,分别。抗原B2(20%)、G3(11%)、Y2(2%)、F'(11%)、C2(5%)、X2(5%)、U'(12%)频率较低。O2和H "等抗原根本没有被发现。赫里福德抗原出现频率最高的是G2(69%)、O3(65%)、O4(58%)、Y2(67%)、Q(61%)、C2(72%)、X2(59%)、L(71%)、V(68%)，最低的是B2(15%)、I1(14%)、I′(17%)、R2(13%)。西门塔尔品种A2抗原的最高频率为66%，Y2抗原为77%，C1抗原为91%，F抗原为90%，H′抗原为65%。B2抗原阳性率最低，为- 5%，I1抗原为- 12%，F抗原为- 11%。抗原A'2、I'、W和U'均未出现。阿斯特拉罕牛卡尔梅克品种的血型检测显示，抗原A2 - 100%、I1 - 70%、A'2 - 90%、O4 - 70%、E'3 - 92%、F' - 70%、R2 - 94%、L - 90%、F - 71%和Z - 100%的频率最高。出现频率最低的抗原有O2(1%)、I'(2%)、C2(11%)、S1(1%)。O3、Q等抗原未见。结论。已经确定，在卡尔梅克繁殖的卡尔梅克牛与在其他地区繁殖的牛不同，这进一步改善了该品种。卡尔梅克共和国的卡尔梅克牛和阿斯特拉罕地区的哈萨克白头牛、赫里福德牛、西蒙塔尔牛和卡尔梅克牛的种畜遗传状况表明，畜群中存在遗传多样性、多向选择和育种工作。

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Agrarian-And-Food Innovations

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