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29 articles for “Reproductive Performance”
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Research ArticleOpen accessPhrase in the titleNutritional Strategies to Mitigate the Effects of Negative Energy Balance on Reproductive Performance of Early Postpartum DoesOndieki Gekara, Renita MarshallThe objective of this study was to research nutritional strategies to mitigate the effects of Negative Energy Balance (NEB) on reproductive performance of early postpartum does. Twenty seven does in their second week of lactation and their kids were randomly assigned to three levels of supplement diet, replicated three times. The diets were: (1) Low Energy/Protein supplement level (LEP; Control), … …American Journal of Animal and Veterinary Sciences, Vol. 7, Issue 4 · 29 Dec 2012 · 7,197 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEffects of Vitamin E on Stress Resorption, Lipid Profile and Reproductive Performance of Sokoto Red GoatsKehinde Matthias OKUKPE, Ling Shing Wong, Geetha Subramaniam et al.Vitamin E (α-tocopherol) plays a critical role in animal nutrition as an antioxidant, contributing to anti-inflammatory responses, immune function, and gene expression regulation. This study aimed to determine the optimal dietary level of vitamin E to alleviate the effects of environmental stress in Sokoto Red Goats transported from their native dry savannah belt to the humid derived savanna belt of … …OnLine Journal of Biological Sciences, Vol. 26, Issue 1 · 20 Mar 2026 · 1,509 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleWelfare and Reproductive Performance of Rabbits Under Two Housing Models in the Egyptian Delta RegionKhaled Hassan El-Kholy, Abdel-Monem Abel-Rahman Sedki, Hossam Zakaria Khalil, Ibrahim Talat El-RatelConcerns about animal welfare due to climate change are growing in the rabbit industry and determining an animal's welfare status is important. So, it is necessary to consider housing conditions as one of the main management criteria. The goal of this study was to examine the preference of rabbits under two housing models of various roofing materials. Twenty-four doses and … …American Journal of Animal and Veterinary Sciences, Vol. 18, Issue 4 · 30 Oct 2023 · 5,254 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEndometritis Control and Enhanced Reproductive Performance in Aceh Cow Using Medicinal PlantsTeuku Armansyah, Tongku Nizwan Siregar et al.Antibiotic treatment for endometritis has some weaknesses due to its toxicity and unexpected side effects. Therefore, the utilization of plant extract as antimicrobials is an alternative to antibiotics. We aimed to evaluate the efficacy of betel leaf, moringa leaf, and garlic extracts in treating endometritis in Aceh cows. We used nine Aceh cows at 3-5 years old, 150-250 kg body … …American Journal of Animal and Veterinary Sciences, Vol. 18, Issue 3 · 2 Oct 2023 · 5,478 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleAdvanced Assessing Techniques of the Reproductive Performance of BullsGulzat Turysbayeva, Isatay Jakupov, Aisulu Kuzerbayeva, Zhanargul ZharkimbayevaThe sperm quality supplied by producers is an urgent problem in the field of livestock breeding. Therefore, monitoring the health of male producers and sperm quality is of great priority. The study aimed to assess the reproductive performance of bulls using laboratory, clinical, morphological, ultrasound and reflexological techniques. A total of 17 heads of Kazakh-white-headed, Holstein-Frieze and Simmental breeds were … …American Journal of Animal and Veterinary Sciences, Vol. 18, Issue 1 · 23 Jan 2023 · 5,666 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleA Survey Study on Productive and Reproductive Performance of Indigenous PoultryPeter Ayodeji Idowu, Maliviwe Mpayipheli, Voster MuchenjeA survey study was conducted to analyze the reproductive and productive performances of four indigenous chicken breeds (Potchefstroom Koekoek, Venda, Naked Neck and Ovambo) under different rearing system. Six villages located in Eastern Cape, South Africa were used for the study from July 2017 to June 2018. Data on Clutch Per Year (CPY), hatchability (HATCH), Egg Per Clutch (EGC), survivability … …American Journal of Animal and Veterinary Sciences, Vol. 14, Issue 1 · 27 Feb 2019 · 9,174 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleThe Effects of Short or Long Term FGA Treatment with or without eCG on Reproductive Performance of Ewes Bred Out-of-seasonMustafa Q. Husein, Mohammed M. Ababneh, Dia S. Abu-RumanThe objective was to evaluate the effects of intravaginal FGA sponges inserted for 4 or 12 days with or without eCG on reproductive performance of ewes out-of-season. Forty-eight anestrous ewes were assigned in equal numbers to four treatments in a 2x2 factorial design. Ewes were administered with FGA sponges on May 17 for 12 days (12-day-FGA-eCG and 12-day-FGA groups, n= … …American Journal of Animal and Veterinary Sciences, Vol. 2, Issue 1 · 31 Mar 2007 · 7,485 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleA Comparative Study on the Reproductive Performance of South African Indigenous Sheep Breeds Following Oestrus SynchronizationJabulani Nkululeko Ngcobo, Tshimangadzo Lucky Nedambale, Tlou Caswell Chokoe, Fhulufhelo Vincent RamukhithiThe aim of the study was to compare the effect of age and live body weight on the oestrus response, duration, pregnancy rate and lambing rate among South African indigenous sheep breeds (Zulu sheep = 36, Bapedi sheep = 26, Damara sheep = 10 and Namaqua Afrikaner sheep = 9). Control Intravaginal Drug Release Dispensers (CIDR’s) were inserted into the … …American Journal of Animal and Veterinary Sciences, Vol. 17, Issue 1 · 14 Jan 2022 · 7,862 accessesView PDFCite
Review ArticleOpen accessIn the keywordsGoats’ Litter Size Concerning Bone Morphogenetic Protein 15 Gene VariationsTebogo Letsukulo Percy Thepa, Thobela Louis Tyasi, Jones Ng’ambiBone morphogenetic protein 15 (BMP15), a member of the transforming growth factor-β (TGF-β) superfamily, plays essential roles in follicular development and ovulation. Single nucleotide polymorphisms (SNPs) in the BMP15 gene have been associated with litter size in multiple livestock species, yet no comprehensive systematic review has synthesized findings across goat breeds. This systematic review aimed to evaluate the association between … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 4 · 18 Feb 2026 · 1,405 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMonitoring of Reproductive Capacity of Dairy Cattle in Eurasia: A Comparative Study in Kazakhstan and the Republic of TuvaAnuarbek Temirbekovich Bissembayev, Sayana Darzhaevna Mongush, Dauren Maratovich Bekenov et al.This study investigates the reproductive capacity of dairy cattle populations in the Republic of Kazakhstan and the Republic of Tuva (Russian Federation). Experimental work was conducted at four study sites: in Kazakhstan, Abdrakhmanov Bolat Dauletbekovich SP (Akmola region) and Alimzhanov TS farm (Almaty region); in the Republic of Tuva, Oyun SP of Kyzyl district (forest-steppe population) and SPK Breeding Farm … …OnLine Journal of Biological Sciences, Vol. 25, Issue 4 · 14 Jan 2026 · 2,373 accessesView PDFCite