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Research ArticleOpen accessEvery word in the titleEffectiveness of the Anaerobic Haylage Method for Flax Waste Utilization in the Diet of Friesian Holstein CowsRuly Budiono, Joko Kusmoro, Erin Nurinsani Waafi, SukonoThe haylage dry feed fermentation method is one of the methods of preserving grass feed, dried herbs, or dry agricultural waste for animal feed. This study aims to determine the quality of hemp flakes waste that has been dried for 6 months and has a water content of <3% using the Haylage method. The research parameters include physical quality, pH, … …OnLine Journal of Biological Sciences, Vol. 26, Issue 1 · 31 Mar 2026 · 1,271 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleIsolation and Culture of Oocytes from Dairy Cows' Ovaries for Productivity in the Southeastern Region of KazakhstanDauren Maratovich Bekenov, Batyrkhan Azimkhanovich Buralkhiev, Yusupzhan Artykovich Yuldashbayev et al.This research work aims to study methods for isolating and culturing follicular oocytes from Holstein cows in vitro. The proven complex of technologies for embryo transplantation on an industrial scale will provide a 3-5-fold acceleration of reproduction of highly productive cows. As a result of scientific research, biotechnological methods of accelerated reproduction of dairy cattle have been substantiated and introduced … …OnLine Journal of Biological Sciences, Vol. 24, Issue 4 · 14 Oct 2024 · 4,298 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEco-Friendly Eggshell Meal on Milk Yield and Quality of Holstein Friesian CowsAmbo Ako, Renny Fatmyah Utamy, Hasbi Hasbi et al.Aditya, S., Stephen, J., & Radhakrishnan, M. (2021). Utilization of Eggshell Waste in Calcium-Fortified Foods and other Industrial Applications: A Review. Trends in Food Science & Technology, 115, 422–432. https://doi.org/10.1016/j.tifs.2021.06.047 Ahmed, T. A. E., Wu, L., Younes, M., & Hincke, M. (2021). Biotechnological Applications of Eggshell: Recent Advances. Frontiers in Bioengineering and Biotechnology, 9, 675364. https://doi.org/10.3389/fbioe.2021.675364 Aminah, S., & Meikawati, … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 2 · 26 May 2024 · 7,730 accessesView PDFCite
Research ArticleOpen accessEvery word in the titlePrevention of Heat Stress in Lactating CowsVladimir Zaitsev, Vasily Korotkiy, Nadezhda Bogolyubova et al.In summer, when the air temperature rises, dairy cattle are very susceptible to heat stress, which results in a significant decline in productivity. The goal of the study is to assess how a Coniferous Energy Supplement (CES) made from raw materials derived from forestry waste affects lactating cows' ruminal digestion, milk production, and quality in extreme temperatures. Two sets of … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 1 · 19 Dec 2023 · 5,113 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleStudy of Mastitis Incidence in Cows of Dairy Farms in East Kazakhstan: Impacts of Nutrition, Endometritis and Mycotoxin ContaminationNurzhamal Mukhamadieva, Dinara Zainettinova, Mardan Julanov et al.This research aimed to investigate the prevalence, etiological factors, and diagnosis of mastitis in dairy farms located in East Kazakhstan. The study was conducted on two dairy farms, “Balke” and “Madi-R,” and examined a total of 490 cows. The findings indicate that the incidence of clinical and subclinical mastitis varied among the years studied. In 2016, the average incidence was … …American Journal of Animal and Veterinary Sciences, Vol. 18, Issue 4 · 7 Nov 2023 · 5,427 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleBreeding Qualities of Aberdeen-Angus Cows of Different Genotypes in Northern KazakhstanPavel Shevchenko, Raushan Rychshanova, Kulyay Suleimanova et al.The Aberdeen-Angus breed of cattle is widely used to increase the number of breeding cores and beef production volumes and improve its quality in the Republic of Kazakhstan. The purpose of the research is to study the breeding and adaptive qualities of Aberdeen-Angus cattle in the conditions of the Kostanay region (Northern region of the Republic of Kazakhstan). To achieve … …American Journal of Animal and Veterinary Sciences, Vol. 18, Issue 3 · 18 Sep 2023 · 5,564 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDietary Inclusion of Sunflower Seed Alters Blood Plasma and Endometrium Lipid Profile in Beef CowsMariângela Bueno Cordeiro Maldonado, Ricardo de Oliveira Rodrigues, Dante Pazzanese Duarte Lanna et al.Polyunsaturated Fatty Acids (PUFA)-enriched diets are recognized as a significant approach for improving the reproductive efficiency of cattle. The aim of this study was to evaluate the effects of sunflower seed, a PUFA-rich feed source, supplementation on plasma and endometrium lipid profiles in beef cattle. It was hypothesized that feeding of sunflower seed has an additional effect on PUFA that … …American Journal of Animal and Veterinary Sciences, Vol. 18, Issue 2 · 25 Jul 2023 · 5,547 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleMarking of Genetic Resistance to Chlamydia, Brucellosis and Mastitis in Holstein Cows by Using Polymorphic Variants of LTF, MBL1 and TLR9 GenesIndira Beishova, Birzhan Nurgaliyev, Alena Belaya et al.The purpose of the research is to study the association of polymorphic variants of the Toll-Like Receptor 9 (TLR9), Mannose-Binding Lectin 1 (MBL1), and Lactoferrin (LTF) genes with the incidence of chlamydia, brucellosis and mastitis in Holstein cows. Samples of Holstein cows with established diagnoses of chlamydia, brucellosis, and mastitis were characterized by the nature of the correspondence of the … …American Journal of Animal and Veterinary Sciences, Vol. 18, Issue 2 · 6 May 2023 · 6,157 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleProductive Traits and Reproductive Capacity of First-Calf Cows at Different Selection OptionsAnuarbek Temirbekovich Bissembayev, Dastanbek Asylbekovich Baimukanov, Orest Antipovich Bassonov et al.The research work is aimed at determining and establishing the degree of influence of various selection options on the productive and reproductive qualities of the first-calf cows of the black-and-white breed. The research results showed that according to the Parental Index of Cows (PIC), animals of the 5th experimental group surpass their mates in the 2 and 3 groups in … …OnLine Journal of Biological Sciences, Vol. 23, Issue 2 · 10 Mar 2023 · 4,737 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffect of Semen on the Embryo Productivity of Donor Cows and the Development of Transplant CalvesBolatbek Ateikhan, Toktar Karibaevich Bexeitov, Talgat Kozybakovich Seiteuov et al.In animal husbandry, more heifers are requiredfor the expanded reproduction of the herd or milk, and more bulls are needed toobtain meat. One of the effective ways to artificially regulate the secondary(at birth) sex ratio is the technology of sexed semen. In this connection, thepurpose of this study was to study the effect of sexed and native semen on theembryonic … …OnLine Journal of Biological Sciences, Vol. 22, Issue 3 · 6 Sep 2022 · 5,430 accessesView PDFCite