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Mostrando ítems 1-20 de 25
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Biochemical methane potential of sheep manure: Focus in pathogen removal
(International Organization of Scientific Research, 2019-01)Biochemical methane potential (BMP) test is a useful laboratory-scale tool to determine the biodegradability and methane potential from different manure. The aims of this study were to evaluate the BMP of sheep manure and ... -
Candidate Gene Approach for Parasite Resistance in Sheep – Variation in Immune Pathway Genes and Association with Fecal Egg Count
(Plos One, 2014-02-12)Sheep chromosome 3 (Oar3) has the largest number of QTLs reported to be significantly associated with resistance to gastro-intestinal nematodes. This study aimed to identify single nucleotide polymorphisms (SNPs) within ... -
Ciencia y Científicos. Apuntes históricos sobre sus interpretaciones acerca de la naturaleza en las tierras secas de Chubut
(Teseo Press, 2021)En las últimas décadas, desde la sociología, la historia ambiental y algunas corrientes teóricas como la ecología política se han analizado la diversidad de modos de apropiación, uso y distribución de la naturaleza. Los ... -
Comparative review of brucellosis in small domestic ruminants
(Frontiers Media, 2022-05)Brucella melitensis and Brucella ovis are the primary etiological agents of brucellosis in small domestic ruminants. B. melitensis was first isolated in 1887 by David Bruce in Malta Island from spleens of four soldiers, ... -
Comparison of two coprological methods for the diagnosis of Eurytrema ssp. in cattle and sheep
(Cambridge University Press, 2022-07-27)Eurytrematosis is a disease caused by flukes of the genus Eurytrema. These parasites infect the pancreatic ducts of a wide variety of species, including cattle, sheep and humans. Diagnosing eurytrematosis through the ... -
Enteric methane emission from Sheep fed with rhodes grass hay (Chloris gayana) alone or supplemented with dried distillers’ grains with solubles
(MDPI, 2022-09)Livestock systems based on subtropical and tropical pastures are characterized by the low productivity of livestock due to the poor nutritional value of the forage (low nitrogen concentration and digestibility, and high ... -
Estudio de variables biológicas ante un desafío artificial de L3 de H. contortus en dos majadas de ovinos Corriedale
(Asociación Argentina de Producción Animal, 2022-11)H. contortus es uno de los parásitos que ocasiona mayores problemas en regiones templadas, tropicales y subtropicales debido a pérdidas productivas y económicas. La utilización de drogas es fundamental para el control de ... -
Experimental infection of sheep with bovine leukemia virus (BLV): minimum dose of BLV-FLK cells and cell-free BLV and neutralization activity of natural antibodies = Infección experimental en ovinos con el virus de leucosis bovina: dosis mínima de células BLV-FLK y virus libre de células, y actividad neutralizante de anticuerpos naturales
(Elsevier España, 2019-12)Bovine leukemia virus (BLV) is an important cattle pathogen that causes major economic losses worldwide, especially in dairy farms. The use of animal models provides valuable insight into the pathogenesis of viral infections. ... -
First record of clinical coccidiosis (Eimeria ovinoidalis) in adult sheep from northwestern Argentina
(Elsevier, 2020-07)Coccidiosis of sheep is an intestinal infection caused by protozoa of the genus Eimeria. An outbreak of the disease in adult sheep from Salta province, northwestern Argentina, was studied to establish its clinical, ... -
Genetic resistance to gastrointestinal parasites in sheep
(CAB International, 2023-06)Gastrointestinal nematode (GIN) infection is the most common disease affecting sheep production systems throughout the world, causing significant productive and economic losses. The control of these parasites was traditionally ... -
Genome-wide identification of the mutation uderlying fleece variation and discriminating ancestral hairy species from modern woolly sheep
(Oxford university press, 2017-07)The composition and structure of fleece variation observedin mammals is a consequence of a strong selective pressure for fiber production after domestication. In sheep, fleece variation discriminates ancestral species ... -
High genetic diversity and differentiation of the babesia ovis population in Turkey
(Wiley, 2020-07)Babesia ovis is a tick‐transmitted protozoan haemoparasite causing ovine babesiosis in sheep and goats leading to considerable economic loss in Turkey and neighbouring countries. There are no vaccines available, therapeutic ... -
Integrating technologies for the sustainable control of gastrointestinal parasites in sheep : The Argentinean case
(FAO, 2023)Gastrointestinal nematode infections in sheep are a major concern among breeders due to the economic losses they cause in terms of a reduction in both productivity and viability of animals. The situation worsens in face ... -
Llama and sheep ruminal fluid digestive capacity by in vitro gas production technique
(Wiley, 2022-03)BACKGROUND: The in vitro gas production technique has been used to evaluate forage fermentation kinetics. However, individual and animal species variation can change fermentation patterns due to differences in ruminal ... -
Mycobacterium avium subsp. paratuberculosis (MAP) molecular diversity in cattle, sheep, and goats from Latin America and the Caribbean: a systematic review
(Springer, 2021-09)This study aimed to systematically collect and appraise the scientific evidence to answer the research question: What MAP genotypes have been isolated from cattle, sheep, and goats in Latin America and the Caribbean? An ... -
Ovejas al sur. Caracterización del sector lanero chubutense desde la economía política
(Ediciones INTA, 2019-12)La actividad lanera de Chubut reviste gran relevancia geopolítica y cultural dentro de su matriz económica. Para su caracterización se parte de considerar que el sector lanero es resultado de una estructura multiescalar y ... -
Potential contribution of genomics and biotechnology in animal production
(Biblioteca Básica de Agricultura, 2015)Integration of Latin American countries into international agricultural markets requires animal production systems to be competitive. Demand of animal products is increasing due to population growth, and changes in lifestyle ... -
Presencia de resistencia mixta en una majada de ovejas de la provincia de Salta, Argentina
(Facultad de Ciencias Veterinarias, Universidad Nacional de La Pampa, 2023-03-06)El objetivo del presente trabajo es describir un caso de resistencia mixta, registrándose por primera vez baja eficacia antiparasitaria contra Cooperia curticei en una majada ovina en la provincia de Salta. El trabajo fue ... -
Primer registro de Cooperia curticei (Strongylida: Trichostrongylidae) en un ovino de la región del noroeste argentino
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2021-06)Cooperia curticei, es un nematodo afín a los ovinos que se aloja en el intestino delgado de estos. Su presencia en Argentina ha sido registrada en ambientes como la región semiárida en la Pampa, subhúmeda pampeana en Buenos ... -
Problemas ambientales y su relación con las prácticas productivas y de trabajo en la ganadería ovina de las tierras secas chubutenses
(Facultad de Ciencias Sociales, Universidad de Buenos Aires, 2013)Esta investigación tiene como objetivo principal analizar los modos en que se relacionan los problemas ambientales con las prácticas de producción y trabajo en torno a la ganadería ovina en las tierras secas de Chubut. ...