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154 results for “Reproductive”
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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 · 4,738 accessesView PDFCite
Research ArticleOpen accessEvery word 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 · 5,668 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Influence of Geese Age on Their Productive and Reproductive QualitiesDanis Khaziev, Rinat Gadiev, Albert Farrakhov et al.This study aims to determine the optimal age for using breeder geese for hatching eggs. Four parties of experimental groups of geese of a large grey breed were formed to conduct a scientific and economic experiment. There were three groups of geese in each party, with the female geese aged 1, 2, 3 years and the male geese of 1,2,3,4 … …American Journal of Animal and Veterinary Sciences, Vol. 17, Issue 1 · 29 Mar 2022 · 6,297 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleRelationship of Longevity with Productive and Reproductive Variables in Nelore Cows of the Bolivian TropicIkeda Atsuko, Barbona Ivana, Yoichiro Hayashi et al.The objective of this study was to evaluate the relationship between longevity with productive and reproductive efficiency variables of Nelore cows in grazing systems in the Bolivian tropics. Retrospective data corresponding to the period 1992-2019, belonging to the Cooperativa Agropecuaria Integral San Juan de Yapacaní and the Foundation Technology Center on Agriculture and Livestock, Santa Cruz-Bolivia were used. The data … …American Journal of Animal and Veterinary Sciences, Vol. 15, Issue 4 · 2 Dec 2020 · 6,629 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOxidative Stress and Reproductive Damage Induced by Lead Acetate in Female Guinea Pig (Cavia porcellus): Curative Effects of Hydroethanolic Extract of Spirulina platensisDeutcheu Nienga Sorelle, Ngoula Ferdinand, Manfo Tsague Faustin Pascal et al.This study was aimed at evaluating the curative effects of Hydroethanolic Extract Of Spirulina platensis (HESP) on the reproductive function of female Guinea pig exposed to oxidative stress. Sixty females, 3-4 months old, weighing 300-400 g were divided into six groups (10 animals/group). The neutral control received distilled water, the negative control was treated with lead acetate at a dose … …American Journal of Animal and Veterinary Sciences, Vol. 14, Issue 1 · 8 Apr 2019 · 7,424 accessesView PDFCite
Research ArticleOpen accessEvery word 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 · 9,177 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEFFECT OF PUERPERAL METRITIS ON HOLSTEIN COWS PRODUCTIVE, REPRODUCTIVE VARIABLES AND CULLING RATESA. Dawod, Byeng R. MinThe objective of the study was to determine the effect of puerperal metritis prevalence in high yielding Holstein cows on productive (305 days, actual milk yields), reproductive (days to first estrus, days open and services per conception) variables and culling rates. Throughout the study, 2885 dairy records were collected from high yielding private Holstein dairy farm (average milk yield was … …American Journal of Animal and Veterinary Sciences, Vol. 9, Issue 3 · 12 Nov 2014 · 6,954 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEFFECT 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 · 8,598 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Reproductive Tract of the Males of the Zoophytophagous Predator Brontocoris tabidus (Signoret) (Heteroptera: Pentatomidae) with Different Diets and AgesWalkymario de Paulo Lemos, Rafael Coelho Ribeiro, Francisco de Sousa Ramalho et al.Abstract: Problem statement: Brontocoris tabidus (Signoret) (Heteroptera: Pentatomidae) is a common and important species for the biological control of defoliating Lepidoptera caterpillars. Although it has a predatory feeding habit, this species make use of plant resources, which are essential for the maintenance of its population in laboratory colonies as well as in the field during periods of prey shortage. Thus … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 1 · 15 Dec 2010 · 8,421 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleReproductive Toxicology of Tartrazine (FD and C Yellow No. 5) in Swiss Albino MiceN. Mehedi, S. Ainad-Tabet, N. Mokrane et al.Problem statement: Tartrazine (FD and C Yellow No. 5) is an orange-colored widely used in food products, drugs and cosmetics. This color has a potential toxicological risk. The current study evaluated the effect of sub-chronic consumption of tartrazine on the male reproductive system. Approach: Tartrazine was administered to adult male mice in drinking water at doses of 0, 0.1, 1 … …American Journal of Pharmacology and Toxicology, Vol. 4, Issue 4 · 31 Dec 2009 · 10,415 accessesView PDFCite