LEVEL OF REPRODUCTIVE CAPACITY OF EWES OF ROMANOV BREED DEPENDING ON GENOTYPE
Keywords:
reproductive capacity, fertilization, preservation, fertility, Romanov breed, Hissar, crossbreeding
Abstract
In the conditions of the development of the sheep breeding industry, it is important to determine and substantiate the directions for improving the level of productive characteristics, including those related to increasing the efficiency of obtaining lamb and other additional products. The article presents the results of the study of factors affecting the fertility of sheep as an integral indicator of reproductive capacity. It is indicated that, despite the high genetic conditioning of this complex biological trait and its conservatism, the fertility of sheep depends on the breed, age, time of mating and onset of estrus, as well as conditions of feeding, keeping, etc. The level of reproductive ability of Romanov ewes of the first and third lambing was studied both during purebred breeding and when crossing with breeding rams of the Hissar breed. With purebred breeding, the fertility of ewes of the first lambing was 94.0%, and 98.0% of the third lambing. 31.9% more lambs were obtained from dams of the third calving compared to the number of young lambs from dams of the first calving. The share of first-lamb ewes that had one lamb was 53.2%, and 46.8% of multi-lamb ewes, respectively. 14.3% of low-fertile ewes had 1 lamb at lambing, while 53.2% had multiple lambs. The preservation of lambs before weaning was 94.2–94.5% depending on the age of the ewes. At the same time, the multifertility of ewes of the third calving was 185.7% against 146.8%, respectively, of ewes of the first calving. Fertility of Romanov ewes of the third lambing in purebred breeding (185.7 heads), and in crossing them with rams of the Hissar breed – 162.5% (- 23.2%). The number of low-fertile ewes is 37.5%, and multi-fertile ewes are 62.5%. The conservation rate of local young is 96.1% against 94.5% of purebred peers. In this way, it is possible to detect the dependence between the age of multiparous Romanov ewes and indicators of their reproductive capacity and to conclude that the value gradually increases with age. The use of ewes of the Romanov breed during industrial crossing with breeding rams of the Hissar breed somewhat reduces the level of their reproductive capacity with good preservation of the young.
References
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16. Kovačić, M., Đuričić, D., Sudarić Bogojević, M., Krčmar, S., Dobos, A., Samardžija, M. (2023). Influence of climatic elements on the reproductive traits of Romanov sheep in the Bilogora region, Croatia. Veterinarska stanica, 54(4), 375–381. https://doi.org/10.46419/vs.54.4.2
17. Kutluca, M., Emsen, E., Koycegiz, F., Gimenez-Diaz, C. A., Aslan, F. A. (2011). Reproductive performance and milk traits of F1 Romanov ewes. Small Ruminant Research, 100(1), 34–36.
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21. Pokhyl, V. I., Mykolaichuk, L. P. (2020). Methodological fundamentals of the creation of specialized meat branch in sheep breeding of the Dnipro region Scientific developments of Ukraine and EU in the area of natural sciences: Collective monograph. Riga : Izdevniecība «Baltija Publishing», pp. 581–597. https://doi.org/10.30525/978-9934-588-73-0/2.1022. Pokhyl, V. I., Mykolaichuk, L. P. (2020). Miasna produktyvnist molodniaku ovets riznoho pokhodzhennia.
[Meat productivity of young sheep of different origins]. Theoretical and Applied Veterinary Medicine, 8(1), 26–30. https://doi.org/10.32819/2020.81005 [In Ukrainian]
23. Pomitun, I. A., Bezvesilna, A. V., Zhuk, M. V. (2017). Plidnist vivtsematok ta zberezhenist molodniaku ovets riznykh henotypiv [Fertility of ewes and survival of young sheep of different genotypes]. Vivcharstvo ta kozivnytstvo [Sheep breeding and goat breeding], (2), 129–137. (in Ukrainian)
24. Pomitun, I. A., Kosova, N. O., Korkh, I. V., Pankiv, L. P., Bezvesilna, A. V., Boiko, N. V., Pomitun, L. I., Danilova, T. M. (2022). Vikovi osoblyvosti vidtvornykh ta materynskykh yakostei ovets porody prekos [Age characteristics of reproductive and maternal qualities of Prekos sheep]. Tvarynnytstvo Stepu Ukrainy [Animal Husbandry of the Steppe of Ukraine], 1(2), 132–139. https://doi.org/10.31867/2786-6750.1.2.2022.132-1394 (in Ukrainian)
25. Reshetnichenko, O., Skrypka, M., Riznichuk, I., Kalynychenko, H. (2022). Vidtvoriuvalna zdatnist matok tsyhaiskoi porody pry skhreshchuvanni z baranamy hisarskoi i merenoladshaf porid [Reproductive ability of ewes of the Tsygay breed when crossed with rams of the Hisar and Merenoladshaf breeds]. Ahrarnyi visnyk Prychornomoria [Agrarian Bulletin of the Black Sea Coast], (102–103), 92–96. https://doi.org/10.37000/abbsl.2022.102.15 (in Ukrainian)
26. Ristanovic, B., Ilic, Z. (2018). Effect of mother’s age on body weight of lambs from birth to weaning in various strains of domestic sheep pramenka. Genetika, Vol. 50, No. 3, 1055-1065. https://doi.org/10.2298/GENSR1803055R
27. Souza, W. L., Pinheiro, G. G., Guimarães, B. P. B., Santana-filho, J., Tontini, J. F., Corrêa, G. F., Saraiva, R. V. (2022). Sexual behavior of corriedale and merino x ideal crossbreed rams with estrus-synchronized corriedale ewes. zootecnia: tópicos atuais em pesquisa, 1(1), 159–171. https://doi.org/10.37885/221010626
28. Yavarifard, R., Hossein-Zadeh, N. G., Shadparvar, A. A. (2015). Estimation of genetic parameters for reproductive traits in Mehraban sheep. Czech J. Anim. Sci., 60, 281–288. https://doi.org/10.17221/8242-CJAS
29. Zharuk, P. H., Atanovska-Masliuk, O. Y., Masliuk, A. M. (2021). Produktyvnist pomisei, oderzhanykh vid vivtsematok askaniiskoi miaso-vovnovoi porody ta baraniv porody vandei [Productivity of hybrids obtained from ews of the askani meat-wool breed and vandei rams]. Naukovyi visnyk «Askaniia-Nova» [Scientific Bulletin «Askania-Nova»], 1(14) 54–66. https://doi.org/10.33694/2617-0787-2021-1-14-54-66 (in Ukrainian)
30. Zhulinska, O. S., & Lobachova, I. V. (2020). Korektsiia vidtvornoi funktsii vivtsematok u rannomu pisliarodovomu periodi [Correction of the reproductive function of ewe in the early postpartum period]. Visnyk Poltavskoi derzhavnoi ahrarnoi akademii [Bulletin of the Poltava State Agrarian Academy], (4), 195–209. https://doi.org/10.31210/visnyk2020.04.25 (in Ukrainian)
2. Ajafar, M. H., Kadhim, A. H., AL-Thuwaini, T. M. (2022). The reproductive traits of sheep and their influencing factors. Reviews in Agricultural Science, 10, 82–89. https://doi.org/10.7831/ras.10.0_82
3. Alkass, J. E., Hermiz, H. N., Baper, M. I. (2021). Some aspects of reproductive efficiency in awassi ewes: A review. Iraqi Journal of Agricultural Sciences, 52(1), 20–27. https://doi.org/10.1088/1755-1315/852/1/012015
4. Al-Thuwaini, T. M., Al-Hadi, A. B. A. (2022). Association of lamb sex with body measurements in single and twin on the Awassi ewes. Adv. Anim. Vet. Sci, 10(8), 1849–1853. https://dx.doi.org/10.17582/journal.aavs/2022/10.8.1849.1853
5. Assar, D. H., Al Wakeel, R. A., El-Maghraby, M. M., El-Badawy, M. M., El-Badawy, A. A., Nagy, W. M., Khalek, A. K. E. (2023). Modulatory effect of dietary allicin supplementation on productivity, health, and antioxidant status of ewes and their offspring during may breeding season in egypt. Adv. Anim. Vet. Sci, 11(1), 83–93. http://dx.doi.org/10.17582/journal.aavs/2023/11.1.83.93
6. Didarkhah, M., Vatandoost, M. (2022). Comparison of reproductive performance of imported ewes and Iranian ewes using the method of artificial insemination. Iranian Journal of Animal Science Research, 14(1), 43–53. https://doi.org/10.22067/ijasr.2021.38292.0
7. Eldomany, W., Abdel-Khalek, A. K., Khalil, W., Yousif, A., El-Saidy, B., Hassan, M. (2023). Influence of Long and Short-term Progesterone Administration on Estrous Synchronization and Reproductive Performance in Ewes During May Season. Journal of Advanced Veterinary Research, 13(1), 88–93.
8. El-Malky, O. M., Mostafa, T. H., Ibrahim, N. H., Younis, F. E., Abd El-Salaam, A. M., Tag El–Din, H. A. (2019). Comparison between productive and reproductive performance of Barki and Ossimi ewes under Egyptian conditions. Egyptian Journal of Sheep & Goat Sciences, 14(1), 61–82.
9. Freking, B. A., Bennett, G. L. (2018). Rambouillet and Romanov reciprocal breed effects on survival and growth traits of F1 lambs and on reproductive traits of F1 ewes1. Journal of Animal Science, 97(2), 578–586. doi:10.1093/jas/sky474
10. González-Tavizón, A., Meza-Herrera, C. A., Arellano-Rodríguez, G., Mellado, M., Contreras-Villarreal, V., Ángel-García, O., Véliz-Deras, F. G. (2022). Effect of Dorper rams’ social-sexual hierarchy on their sexual behavior and capacityto induce estrus in ewes. Agriculture, 12(3), 391. https://doi.org/10.3390/agriculture12030391
11. Hashem, N. M., EL-Zarkouny, S. Z. (2016). Postpartum associated metabolism, milk production and reproductive efficiency of Barki and Rahmani subtropical fat-tailed Breeds. Asian J. Anim. Vet. Adv., 11 (3), 184-189.
12. Ibrahim A, Budisatria IGS, Widayanti R, Atmoko BA, Yuniawan R, Artama WT (2020). On-farm body measurements and evaluation of batur sheep on different age and sex in Banjarnegara regency, Indonesia. Adv. Anim. Vet. Sci., 8(10): 1028-1033. https://doi.org/10.17582/journal.aavs/2020/8.10.1028.1033
13. Iovenko, V. M., & Nezhlukchenko, N. V. (2017). Produktyvni ta vidtvoriuvalni yakosti ovets tavriiskoho typu askaniiskoi tonkorunnoi porody [Productive and reproductive qualities of Tauriy type sheep of Askanian thin-fleece breed]. Vivcharstvo ta kozivnytstvo [Sheep breeding and goat breeding], (2), 72–80. (in Ukrainian)
14. Kramarenko, O. S., Kramarenko, S. S., Luhovyi, S. I., Havryliuk, K. I. (2020). Vplyv henetychnykh i ne henetychnykh faktoriv na pokaznyky vidtvoriuvalnoi zdatnosti vivtsematok [The influence of genetic and non-genetic factors on the reproductive capacity of ewes]. Tavriiskyi naukovyi visnyk [Taurian Scientific Bulletin], (114), 189–195. https://doi.org/10.32851/2226-0099.2020.114.22 (in Ukrainian)
15. Kleemann, D. O., Walker, S. K., Ponzoni, R. W., Gifford, D. R., Walkley, J. R., Smith, D. H., Brien, F. D. (2015). Effect of previous reproductive performance on current reproductive rate in South Australian Merino ewes. Animal Production Science, 56(4), 716–725.
16. Kovačić, M., Đuričić, D., Sudarić Bogojević, M., Krčmar, S., Dobos, A., Samardžija, M. (2023). Influence of climatic elements on the reproductive traits of Romanov sheep in the Bilogora region, Croatia. Veterinarska stanica, 54(4), 375–381. https://doi.org/10.46419/vs.54.4.2
17. Kutluca, M., Emsen, E., Koycegiz, F., Gimenez-Diaz, C. A., Aslan, F. A. (2011). Reproductive performance and milk traits of F1 Romanov ewes. Small Ruminant Research, 100(1), 34–36.
18. Lykhach, V. Ya., Ivanov, S. S., Lykhach, A. V., Kalynychenko, H. I., Luhovyi, S. I., Trybrat, R. O. (2020). Tekhnolohichni aspekty vedennia romanivskoho vivcharstva Mykolaivshchyny [Technological aspects of Romanov sheep breeding in the Mykolayiv region]. Tavriiskyi naukovyi visnyk [Taurian Scientific Bulletin], (111), 190–198. https://doi.org/10.32851/2226-0099.2020.111.26 (in Ukrainian)
19. Mamedov, S. M. (2021). Osoblyvosti produktyvnosti romanivskykh ovets v umovakh Khersonskoi oblasti [Peculiarities of productivity of Romanov sheep in the conditions of the Kherson region]. Tavriiskyi naukovyi visnyk [Taurian Scientific Bulletin], (121), 171–177. https://doi.org/10.32851/2226-0099.2021.121.24 (in Ukrainian)
20. Petryshyn, M., Sedilo, H., Vovk, S. (2022). Produktyvni yakosti ovets askaniiskoi miaso-vovnovoi porody z krosbrednoiu vovnoiu v umovakh lisostepovoi zony Karpatskoho rehionu [Productive qualities of sheep of the Askanian meat-wool breed with crossbred wool in the conditions of the forest-steppe zone of the Carpathian region]. Visnyk ahrarnoi nauky [Bulletin of Agrarian Science], 100(12), 21–27. https://doi.org/10.31073/agrovisnyk202212-03 (in Ukrainian)
21. Pokhyl, V. I., Mykolaichuk, L. P. (2020). Methodological fundamentals of the creation of specialized meat branch in sheep breeding of the Dnipro region Scientific developments of Ukraine and EU in the area of natural sciences: Collective monograph. Riga : Izdevniecība «Baltija Publishing», pp. 581–597. https://doi.org/10.30525/978-9934-588-73-0/2.1022. Pokhyl, V. I., Mykolaichuk, L. P. (2020). Miasna produktyvnist molodniaku ovets riznoho pokhodzhennia.
[Meat productivity of young sheep of different origins]. Theoretical and Applied Veterinary Medicine, 8(1), 26–30. https://doi.org/10.32819/2020.81005 [In Ukrainian]
23. Pomitun, I. A., Bezvesilna, A. V., Zhuk, M. V. (2017). Plidnist vivtsematok ta zberezhenist molodniaku ovets riznykh henotypiv [Fertility of ewes and survival of young sheep of different genotypes]. Vivcharstvo ta kozivnytstvo [Sheep breeding and goat breeding], (2), 129–137. (in Ukrainian)
24. Pomitun, I. A., Kosova, N. O., Korkh, I. V., Pankiv, L. P., Bezvesilna, A. V., Boiko, N. V., Pomitun, L. I., Danilova, T. M. (2022). Vikovi osoblyvosti vidtvornykh ta materynskykh yakostei ovets porody prekos [Age characteristics of reproductive and maternal qualities of Prekos sheep]. Tvarynnytstvo Stepu Ukrainy [Animal Husbandry of the Steppe of Ukraine], 1(2), 132–139. https://doi.org/10.31867/2786-6750.1.2.2022.132-1394 (in Ukrainian)
25. Reshetnichenko, O., Skrypka, M., Riznichuk, I., Kalynychenko, H. (2022). Vidtvoriuvalna zdatnist matok tsyhaiskoi porody pry skhreshchuvanni z baranamy hisarskoi i merenoladshaf porid [Reproductive ability of ewes of the Tsygay breed when crossed with rams of the Hisar and Merenoladshaf breeds]. Ahrarnyi visnyk Prychornomoria [Agrarian Bulletin of the Black Sea Coast], (102–103), 92–96. https://doi.org/10.37000/abbsl.2022.102.15 (in Ukrainian)
26. Ristanovic, B., Ilic, Z. (2018). Effect of mother’s age on body weight of lambs from birth to weaning in various strains of domestic sheep pramenka. Genetika, Vol. 50, No. 3, 1055-1065. https://doi.org/10.2298/GENSR1803055R
27. Souza, W. L., Pinheiro, G. G., Guimarães, B. P. B., Santana-filho, J., Tontini, J. F., Corrêa, G. F., Saraiva, R. V. (2022). Sexual behavior of corriedale and merino x ideal crossbreed rams with estrus-synchronized corriedale ewes. zootecnia: tópicos atuais em pesquisa, 1(1), 159–171. https://doi.org/10.37885/221010626
28. Yavarifard, R., Hossein-Zadeh, N. G., Shadparvar, A. A. (2015). Estimation of genetic parameters for reproductive traits in Mehraban sheep. Czech J. Anim. Sci., 60, 281–288. https://doi.org/10.17221/8242-CJAS
29. Zharuk, P. H., Atanovska-Masliuk, O. Y., Masliuk, A. M. (2021). Produktyvnist pomisei, oderzhanykh vid vivtsematok askaniiskoi miaso-vovnovoi porody ta baraniv porody vandei [Productivity of hybrids obtained from ews of the askani meat-wool breed and vandei rams]. Naukovyi visnyk «Askaniia-Nova» [Scientific Bulletin «Askania-Nova»], 1(14) 54–66. https://doi.org/10.33694/2617-0787-2021-1-14-54-66 (in Ukrainian)
30. Zhulinska, O. S., & Lobachova, I. V. (2020). Korektsiia vidtvornoi funktsii vivtsematok u rannomu pisliarodovomu periodi [Correction of the reproductive function of ewe in the early postpartum period]. Visnyk Poltavskoi derzhavnoi ahrarnoi akademii [Bulletin of the Poltava State Agrarian Academy], (4), 195–209. https://doi.org/10.31210/visnyk2020.04.25 (in Ukrainian)
Published
2023-04-20
How to Cite
MykolaіchukL. P. (2023). LEVEL OF REPRODUCTIVE CAPACITY OF EWES OF ROMANOV BREED DEPENDING ON GENOTYPE. Bulletin of Sumy National Agrarian University. The Series: Livestock, (1), 32-37. https://doi.org/10.32782/bsnau.lvst.2023.1.5
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Articles
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