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264 results for “Breeding”
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Research ArticleOpen accessIn the keywordsSelection 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 keywordsImmunological Characteristics of Winter Wheat Lines with Resistance to Rust Diseases in KazakhstanSaltanat Bakytzhanovna Dubekova, Amangeldy Taskalievich Sarbaev, Aikerim Asylbekkyzy Ydyrys et al.The growing spread of particularly dangerous diseases (variations of rust) in the grain-bearing countries raises fears of the harmfulness of phytopathogens increasing. In the years favorable for their development, a sharp decrease in the productivity of the ear and the quality of the grain is observed. The high potential of the pathogen to produce new aggressive disease variations makes most … …OnLine Journal of Biological Sciences, Vol. 21, Issue 4 · 17 Jan 2022 · 5,969 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAssessment of Heavy Metals Migration in the Water - Soil - Fodder - Milk Food Chain in the Almaty RegionNurzhan Sarsembayeva, Tolkyn Abdigaliyeva, Zura Utepova et al.This study presents the results of monitoring heavy metals (Cd, Pb, As and Hg) in the water - soil - fodder - milk food chain. The research aimed to study the effect of lead, cadmium, mercury and arsenic in soil, water and components of the diet of cattle on their bioaccumulation in livestock products (milk) in basic farms of the … …OnLine Journal of Biological Sciences, Vol. 21, Issue 2 · 22 Jun 2021 · 6,409 accessesView PDFCite
Research ArticleOpen accessIn the keywordsCharacterization of the Sheep Farming System in the Brazilian Semiarid from the Multivariate PerspectiveJanaina Kelli Gomes Arandas, Ângelo Giuseppe Chaves Alves, Olivardo Facó et al.This study aimed to characterize the purebred Morada Nova sheep and crossbred farming systems in Ceará State, Brazil, through multivariate analysis. The study was carried out in the Morada Nova municipality in Ceará. Thirteen representative Morada Nova pure sheep Breeders (MNB) and 48 crossbreds’ breeders of Morada Nova with other breeds (CMN) were interviewed. Was used a questionnaire-based including 12 … …American Journal of Animal and Veterinary Sciences, Vol. 15, Issue 3 · 1 Jul 2020 · 7,396 accessesView PDFCite
Research ArticleOpen accessIn the keywordsProgress Made in Developing New High Yielding Potato Varieties for the Kenyan Highlands at KALRO-TigoniJane Muthoni, Hussein ShimelisBreeding has been going on at Kenya Agricultural and Livestock Research Institute (KALRO), Tigoni in Kenya to develop high yielding potato varieties that have good processing qualities. The objective was to develop high yielding potato varieties that are adapted to the Kenyan climatic and environmental conditions and that are suitable for processing. After initial crossing, the resultant families were evaluated … …American Journal of Agricultural and Biological Sciences, Vol. 13, Issue 1 · 28 Jun 2018 · 8,915 accessesView PDFCite
InvestigationOpen accessIn the keywordsProductive and Biological Features of Kazakh Fine-Wool Sheep in the Conditions of the Almaty RegionKairat Alimgozhaevich Iskakov, Beibit Turganbekovich Kulatayev, Gulshad Makhambetovna Zhumagaliyeva, Pere Miquel Pares CasanovaKazakh fine-wool sheep bred in semiarid and desert zones of the Kazakhstan South-East are most widely spread in the Republic. However, most sheep do not satisfy the respective requirements of the breed in terms of productivity and especially reproductive capacity. Consequently, increasing the breeding performance and yield of commercial lambs is one of the most urgent issues in fine-wool sheep … …OnLine Journal of Biological Sciences, Vol. 17, Issue 3 · 7 Aug 2017 · 8,261 accessesView PDFCite
Research ArticleOpen accessIn the keywordsField Evaluation of Sugarcane Orange Rust for First Clonal Stage of the CP Cultivar Development ProgramDuli Zhao, R. Wayne Davidson, Miguel Baltazar, Jack C. ComstockConsistent development of high-yielding sugarcane (a complex hybrid of Saccharum spp.) cultivars with resistance or tolerance to biotic and abiotic stresses is critical to commercial sugarcane production. Currently, orange rust (caused by Puccinia kuehnii E.J. Butler) is a big challenge for the sugarcane production in Florida, USA. A better understanding of sugarcane genotypic variability in response to orange rust disease … …American Journal of Agricultural and Biological Sciences, Vol. 10, Issue 1 · 27 Jan 2015 · 7,900 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTolerance of Accessions of Glagah (Saccharum spontaneum) to Drought Stress and Their Accumulation of ProlineAminatun Munawarti, Taryono, Endang Semiarti et al.Glagah (wild sugarcane, Saccharum spontaneum) is a perennial grass that grows well in marginal soils. It has a high carbohydrate and fibre content, making it suitable for ethanol production and the study industry. Thus, glagah has potential as a crop species in its own right and may also be used in sugarcane breeding programs. However, glagah germplasm has not been … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 1 · 4 Feb 2013 · 7,876 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMapping QTLs Linked to Physio-Morphological and Plant Production Traits under Drought Stress in Rice (Oryza sativa L.) in the Target EnvironmentS. Michael Gomez, S. Satheesh Kumar, P. Jeyaprakash et al.Drought stress is a major constraint for rice (Oryza sativa L.) production and yield stability in rainfed ecosystems. Identifying genomic regions (QTLs) contributing in drought resistance will help to develop rice cultivars suitable for water-limiting environments through marker-assisted breeding. QTLs linked to physio-morphological and plant production traits under drought stress in the field were mapped by evaluating 177 F6 recombinant … …American Journal of Biochemistry and Biotechnology, Vol. 2, Issue 4 · 31 Dec 2006 · 14,471 accessesView PDFCite
Research ArticleOpen accessIn the keywordsReproductive 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