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8 results for “Alzhan Shamshidin”
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Research ArticleOpen accessIn the author namesAssessment of Breeding Qualities of Kazakh White-Headed Bulls by Testing Their ProductivityAruzhan Nugmanova, Aliya Akhmetaliyeva, Yedige Nassambayev et al.The purpose of the study was to quantify the breeding qualities of Kazakh White-Headed bulls by assessing their productivity metrics. The primary objectives were to analyze live weight dynamics, daily growth rates, feed conversion efficiency, and morphological meat quality and to employ "A" complex indices for evaluating the breeding potential. The study observed bulls aged 8-15 months at the Khafiza … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 3 · 26 Jul 2024 · 5,407 accessesView PDFCite
Research ArticleOpen accessIn the author namesEffectiveness of the Use of Genetic Markers of Meat Productivity in the Kazakh White-Headed Breed Identified Using Genome-Wide Association StudyIndira Beishova, Askar Nametov, Alzhan Shamshidin et al.The study aimed to determine the effectiveness of the use of genetic markers in cattle of the Kazakh white-headed breed identified using a genome-wide association study. The object of the study was the livestock of 790 Kazakh white-headed bulls bred in breeding farms of the Republic of Kazakhstan. The study adheres to rigorous ethical standards, with all procedures approved by … …OnLine Journal of Biological Sciences, Vol. 24, Issue 4 · 25 Jun 2024 · 5,023 accessesView PDFCite
Research ArticleOpen accessIn the author namesSelection of Kalmyk Cattle in KazakhstanAnuarbek Temirbekovich Bissembayev, Alzhan Smailuly Shamshidin, Zhanat Maratovich Kasenov et al.The purpose of the study is to determine the precocity of Kalmyk cattle breeding stock in Kazakhstan and the accuracy of productivity assessment by indices of breeding value. It is established that calves are born with a live weight of 22.4-25.7 kg, at the age of six months they reach a live weight of 165.2-175.3 kg. The average daily increase … …OnLine Journal of Biological Sciences, Vol. 24, Issue 1 · 23 Nov 2023 · 5,716 accessesView PDFCite
Research ArticleOpen accessIn the author namesReproductive Indicators of the Alatau Cattle Breed of Kazakhstan PopulationAidar Dastanbekuly Baimukanov, Anuarbek Temirbekovich Bissembayev, Yusupzhan Artykovich Yuldashbayev et al.The research aims to study the reproductive indicators and dairy productivity of the modern Kazakhstan population of the Alatau cattle breed. The average duration of the dry period is within the physiological norm, being 60-75 days. As noted above, an increase in the service period can negatively affect herd reproduction. In this regard, some measures were taken to normalize the … …OnLine Journal of Biological Sciences, Vol. 24, Issue 1 · 5 Nov 2023 · 5,245 accessesView PDFCite
Research ArticleOpen accessIn the author namesEstimated Breeding Values of Aberdeen-Angus Cattle BreedAnuarbek Temirbekovich Bissembayev, Alzhan Smailuly Shamshidin, Zhanat Maratovi Kasenov et al.The study aims to calculate the estimated breeding value of Aberdeen-Angus cattle using the BLUP method. The live weight of cattle of the Aberdeen-Angus breed was: At birth in bulls 28.25 kg and in heifers 27.18 kg; on day 210, at weaning in bulls 212.31 kg and in heifers 198.04 kg; on day 365, respectively, 328.02 kg and 304.73 kg. … …OnLine Journal of Biological Sciences, Vol. 23, Issue 3 · 7 Jul 2023 · 7,679 accessesView PDFCite
Research ArticleOpen accessIn the author namesThe Level of Breeding Value of Cattle of the Auliekol Breed, Calculated by the Blup MethodAnuarbek Temirbekovich Bissembayev, Alzhan Smailuly Shamshidin, Zhanat Maratovich Kasenov et al.Currently, the assessment of the breeding value of livestock provides for new approaches to determine the genetic qualities of animals that sustainably transmit to offspring. This is achieved by using the phenotypic data of the ancestors, the closest lateral relatives, as well as the animals themselves and their descendants, which, according to all canons, is facilitated by the so-called BLUP … …OnLine Journal of Biological Sciences, Vol. 23, Issue 2 · 14 Apr 2023 · 5,258 accessesView PDFCite