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10 results for “Litter Size”
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Review ArticleOpen accessPhrase in the titleGoats’ 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 keywordsEffect of Body Weight and Age at Puberty and Mating on Subsequent Gilt Development Weights, Litter Traits, and Colostral Immunoglobulin G of the F1 Large White X Landrace GiltsThembela Happines Matukane, Khathutshelo Agree Nephawe, Bohani Mtileni et al.The purpose of this study was to assess how body weight and age at puberty and mating in F1 Large White x Landrace pigs influence subsequent gilt development weights, litter characteristics, and colostral immunoglobulin G levels. A total of 168 gilts were categorized into different weight groups, i.e., body weight at puberty (lighter gilts: <103 kg, moderate gilts: 103-109 kg) … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 4 · 12 Oct 2024 · 5,956 accessesView PDFCite
Research ArticleOpen accessIn the keywordsGenetics Polymorphisms of INHA in Local Goat Populations in South-West Sulawesi Region of IndonesiaMuhammad Ihsan Andi Dagong, Sri Rachma Aprilita Bugiwati, Lellah Rahim, Nurul PurnomoInhibin subunit alpha (INHA) is one important gene that control reproductive characteristics of animal. The aim of this research was to identify the genetic diversity of INHA gene of Kacang and Peranakan Etawa (PE) goat as local goat breed which were maintained by farmers at goat development centers in Sulawesi region, Indonesia. DNA samples were collected from 137 heads Kacang … …American Journal of Animal and Veterinary Sciences, Vol. 15, Issue 1 · 12 Mar 2020 · 7,273 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessment of Phenotypic Plasticity in Dairy Production Traits of Toggenburg Goat Genotypes Across South African Agro-ecological ZonesMatshebuka Tshepho, Obert Tada, Louis Thobela TyasiThe study evaluated phenotypic plasticity (PP) in reproductive and milk production traits of Toggenburg (TOG) goat genotypes across five South African agro-ecological zones (AEZ) using a longitudinal observational design. Data from 2,417 does representing five genotypes (Founders, CP, Appendix A, Appendix B, and StudBook Proper) were sourced from the Milch Breeders Society of South Africa LOGIX database. Descriptive statistics and … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 3 · 25 Nov 2025 · 2,378 accessesView PDFCite
Research ArticleOpen accessIn the abstractProduction and Reproduction of Primiparous Guinea Pigs Concerning Lysine LevelsYasmeen Camila Vargas-Jauja, Karin Marleny Casilla-Huallpa, Liz Beatriz Chino-Velasquez et al.The development of breeding animals is essential to ensure the productivity of guinea pigs, so an adequate supply of nutrients is required. However, information on their nutritional requirements is limited, particularly with regard to amino acids such as lysine, wich affects their productive performance. We evaluated the effects of dietary lysine levels (0.84, 1.01, 1.18, and 1.34%) on prim parous … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 2 · 28 May 2025 · 5,467 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Use of Management and Hormonal Oestrous Synchronisation on Indigenous Sheep Reared ExtensivelyAyanda Maqhashu, Jabulani Nkululeko Ngcobo, Hester Adri O'Neill et al.As the global population increases, demand for animal products will result in increased livestock-related greenhouse gas emissions that contribute to climate change. One of the strategies for reducing this impact would be the improvement of indigenous livestock reproductive efficiency that are hardy and well adapted to harsh environmental regions. The use of reproductive technologies increases efficiency of animals necessary for … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 3 · 29 Aug 2024 · 4,778 accessesView PDFCite
Research ArticleOpen accessIn the abstractWelfare 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 accessIn the abstractThe Influence of Garcinia kola Seed on Sexual Behavior and Testis Physiology in Wistar RatsJonah Sydney Aprioku, Victor Nwachukwu, Blessing Ukamaka Okeke et al.Garcina kola seed is believed by some to enhance male sexual performance but existing scientific data show divergent results. In this study, the sexual and reproductive influence of ethanol (70%) seed extract of G. kola was evaluated in Wistar rats. Adult male rats were gavaged with 0, 50, 100, 200 or 300 mg kg-1 day-1 of extract for 30 days … …American Journal of Pharmacology and Toxicology, Vol. 13, Issue 1 · 25 Apr 2018 · 13,804 accessesView PDFCite
Research ArticleOpen accessIn the abstractEFFECT OF DIMETHOATE (AN ORGANOPHOSPHATE INSECTICIDE) ON THE REPRODUCTIVE SYSTEM AND FERTILITY OF ADULT MALE RATFerdinand Ngoula, Pierre Watcho, Augustave Kenfack et al.The pesticides are one of the most potentially harmful chemicals liberated in the environment in an unplanned manner. Dimethoate is widely used as a potent pesticide in many countries and has been shown to produce some adverse health effects. In the present study, we investigated the effect of dimethoate (an organophosphate insecticide) on the reproductive system and fertility of male … …American Journal of Pharmacology and Toxicology, Vol. 9, Issue 1 · 13 Feb 2014 · 8,595 accessesView PDFCite
Research ArticleOpen accessIn the abstractEfficacy of Some Commercial Chemical Disinfectants on Salmonella enterica Serovar TyphimuriumEssam S. Soliman, E. G. Taha, M. A.A. Sobieh, P. G. ReddyProblem statement: Poultry industry is intensive and consistently applies an all-in, all-out system with the aim of minimizing infection pressure and targeting specific pathogens like Salmonella which remains one of the leading causes of food-borne illness, many questions regarding the introduction and persistence in animal production still remain. Therefore disinfection during production break is a routine part of the biosecurity … …American Journal of Animal and Veterinary Sciences, Vol. 4, Issue 3 · 30 Sep 2009 · 7,391 accessesView PDFCite