http://sedici.unlp.edu.ar:80/handle/10915/155239 Tue, 20 Oct 2026 11:34:36 GMT 2026-10-20T11:34:36Z http://sedici.unlp.edu.ar:80/handle/10915/155867 Objeto de conferencia IV Congreso Nacional de Ecología y Biología de Suelos (CONEBIOS) (Esquel, 28, 29 y 30 de abril de 2015) O Falso nematoide das galhas, Nacobbus aberrans provoca importantes perdas econômicas na produção de tomate no Cinturão Olerícola Platense. O uso de porta-enxertos resistentes e a inoculação com fungos formadores de micorrizas, são ferramentas de baixo impacto ambiental, que tem dado resultados satisfatórios no manejo integrado de várias pragas e doenças. Thu, 01 Jan 2015 00:00:00 GMT http://sedici.unlp.edu.ar:80/handle/10915/155867 2015-01-01T00:00:00Z O Falso nematoide das galhas, Nacobbus aberrans provoca importantes perdas econômicas na produção de tomate no Cinturão Olerícola Platense. O uso de porta-enxertos resistentes e a inoculação com fungos formadores de micorrizas, são ferramentas de baixo impacto ambiental, que tem dado resultados satisfatórios no manejo integrado de várias pragas e doenças. http://sedici.unlp.edu.ar:80/handle/10915/155246 Capitulo de libro https://sedici.unlp.edu.ar/handle/10915/152519; Escribir la ESI: saberes, debates y desafíos desde experiencias docentes Los sesgos de género han estado presentes en las definiciones de quienes estaban al frente de la institución y se veían reflejados en el área de las asignaturas específicas, que identifican la orientación agropecuaria, beneficiando a los hombres profesionales por sobre las mujeres. Estos sesgos contribuyeron a legitimar la concentración masculina en los lugares mencionados, generando asimetrías en el ámbito educativo y ocupacional, construyendo sistemas dicotómicos de pensamiento en el que uno de los polos asume la carga negativa y el otro una mayor valorización, conduciendo a una jerarquización de las partes Editorial de la Universidad Nacional de La Plata (EDULP) Sun, 01 Jan 2023 00:00:00 GMT http://sedici.unlp.edu.ar:80/handle/10915/155246 2023-01-01T00:00:00Z Los sesgos de género han estado presentes en las definiciones de quienes estaban al frente de la institución y se veían reflejados en el área de las asignaturas específicas, que identifican la orientación agropecuaria, beneficiando a los hombres profesionales por sobre las mujeres. Estos sesgos contribuyeron a legitimar la concentración masculina en los lugares mencionados, generando asimetrías en el ámbito educativo y ocupacional, construyendo sistemas dicotómicos de pensamiento en el que uno de los polos asume la carga negativa y el otro una mayor valorización, conduciendo a una jerarquización de las partes http://sedici.unlp.edu.ar:80/handle/10915/104605 Articulo Veterinary Parasitology; vol. 198, no. 3-4 Parasitism during development impairs normal growth and delays the onset of puberty through altered hormone profiles, including insulin-like growth factor one (IGF-1). Asmammary gland development during prepuberty is strongly dependent on IGF-1, we determined if antiparasitic treatment during this stage of growth improved mammary gland development. One group of Holstein heifers was treated monthly, rotationally with antiparasitic drugs from birth to 70 weeks of age, a second group was untreated. Treated heifer calves had between 56% and 65% less EPG counts than untreated ones. Presence of Ostertagia, Cooperia, Haemonchus and Trichostrongylus was demonstrated. Treatment effectively advanced the onset of puberty and increased IGF-1 levels. At 20, 30, 40 and 70 weeks of age biopsies from the mammary gland were taken and histological sections were prepared and stained with hematoxylin–eosin. Pictures were analyzed to compare parenchyma area in relation to total mammary tissue between groups. Mammary samples from treated heifers had higher ratios of parenchyma/total area than untreated ones. As mammary development during prepuberty is crucial for mammary performance during lactation, these results add new evidence to the importance of gastrointestinal parasite control in heifers. Tue, 01 Oct 2013 00:00:00 GMT http://sedici.unlp.edu.ar:80/handle/10915/104605 2013-10-01T00:00:00Z Parasitism during development impairs normal growth and delays the onset of puberty through altered hormone profiles, including insulin-like growth factor one (IGF-1). Asmammary gland development during prepuberty is strongly dependent on IGF-1, we determined if antiparasitic treatment during this stage of growth improved mammary gland development. One group of Holstein heifers was treated monthly, rotationally with antiparasitic drugs from birth to 70 weeks of age, a second group was untreated. Treated heifer calves had between 56% and 65% less EPG counts than untreated ones. Presence of Ostertagia, Cooperia, Haemonchus and Trichostrongylus was demonstrated. Treatment effectively advanced the onset of puberty and increased IGF-1 levels. At 20, 30, 40 and 70 weeks of age biopsies from the mammary gland were taken and histological sections were prepared and stained with hematoxylin–eosin. Pictures were analyzed to compare parenchyma area in relation to total mammary tissue between groups. Mammary samples from treated heifers had higher ratios of parenchyma/total area than untreated ones. As mammary development during prepuberty is crucial for mammary performance during lactation, these results add new evidence to the importance of gastrointestinal parasite control in heifers. http://sedici.unlp.edu.ar:80/handle/10915/85393 Articulo Journal of Dairy Science; vol. 97, no. 8 Mammary ductal morphogenesis during prepuberty occurs mainly in response to insulin-like growth factor-1 (IGF-1) and estradiol stimulation. Dairy heifers infected with gastrointestinal nematodes have reduced IGF-1 levels, accompanied by reduced growth rate, delayed puberty onset, and lower parenchyma-stroma relationship in their mammary glands. Immunohistochemical studies were undertaken to determine variations in cell division rate, IGF-1 system components, and estradiol receptors (ESR) during peripubertal development in the mammary glands of antiparasitic-treated and untreated Holstein heifers naturally infected with gastrointestinal nematodes. Mammary biopsies were taken at 20, 30, 40, and 70 wk of age. Proliferating cell nuclear antigen immunolabeling, evident in nuclei, tended to be higher in the parenchyma of the glands from treated heifers than in those from untreated. Insulin-like growth factor binding proteins (IGFBP) type 2 and type 3 immunolabeling was cytoplasmic and was evident in stroma and parenchyma. The IGFBP2-labeled area was lower in treated than in untreated heifers. In the treated group, a maximal expression of this protein was seen at 40 wk of age, whereas in the untreated group the labeling remained constant. No differences were observed for IGFBP3 between treatment groups or during development. Immunolabeling for α ESR (ESR1) was evident in parenchymal nuclei and was higher in treated than in untreated heifers. In the treated group, ESR1 peaked at 30 wk of age and then decreased. These results demonstrate that the parasite burden in young heifers negatively influence mammary gland development, affecting cell division rate and parameters related to estradiol and IGF-1 signaling in the gland. Fri, 01 Aug 2014 00:00:00 GMT http://sedici.unlp.edu.ar:80/handle/10915/85393 2014-08-01T00:00:00Z Mammary ductal morphogenesis during prepuberty occurs mainly in response to insulin-like growth factor-1 (IGF-1) and estradiol stimulation. Dairy heifers infected with gastrointestinal nematodes have reduced IGF-1 levels, accompanied by reduced growth rate, delayed puberty onset, and lower parenchyma-stroma relationship in their mammary glands. Immunohistochemical studies were undertaken to determine variations in cell division rate, IGF-1 system components, and estradiol receptors (ESR) during peripubertal development in the mammary glands of antiparasitic-treated and untreated Holstein heifers naturally infected with gastrointestinal nematodes. Mammary biopsies were taken at 20, 30, 40, and 70 wk of age. Proliferating cell nuclear antigen immunolabeling, evident in nuclei, tended to be higher in the parenchyma of the glands from treated heifers than in those from untreated. Insulin-like growth factor binding proteins (IGFBP) type 2 and type 3 immunolabeling was cytoplasmic and was evident in stroma and parenchyma. The IGFBP2-labeled area was lower in treated than in untreated heifers. In the treated group, a maximal expression of this protein was seen at 40 wk of age, whereas in the untreated group the labeling remained constant. No differences were observed for IGFBP3 between treatment groups or during development. Immunolabeling for α ESR (ESR1) was evident in parenchymal nuclei and was higher in treated than in untreated heifers. In the treated group, ESR1 peaked at 30 wk of age and then decreased. These results demonstrate that the parasite burden in young heifers negatively influence mammary gland development, affecting cell division rate and parameters related to estradiol and IGF-1 signaling in the gland. http://sedici.unlp.edu.ar:80/handle/10915/69936 Articulo Revista de la Universidad; no. 32 La Escuela "María Cruz y Manuel Inchausti" cuenta con una importante porción de tierra de 31.631 km<SUP>2</SUP>, con toda la infraestructura técnica y humana para realizar todo tipo de tareas de explotación agrícolas ganadera, como cultivos agrícolas, hortícolas, frutales, tambo, ganadería (con cría, recría, porcinos, ovinos y equinos), avicultura, cunicultura, apicultura y actividades agroindustriales que incluyen la elaboración de productos alimenticios como quesos, dulces artesanales de frutas y hortalizas, chacinados, entre otros muchos productos y actividades. La institución orienta su quehacer a una región de alto potencial productivo formada por los partidos de 9 de Julio, 25 de Mayo, Bolívar, Carlos Casares, Pehuajó, General Alvear, Saladillo, Bragado, Alberti, Chivilcoy, Suipacha, Mercedes, General Viamonte y Roque Pérez. Fri, 01 Jan 1999 00:00:00 GMT http://sedici.unlp.edu.ar:80/handle/10915/69936 1999-01-01T00:00:00Z La Escuela "María Cruz y Manuel Inchausti" cuenta con una importante porción de tierra de 31.631 km<SUP>2</SUP>, con toda la infraestructura técnica y humana para realizar todo tipo de tareas de explotación agrícolas ganadera, como cultivos agrícolas, hortícolas, frutales, tambo, ganadería (con cría, recría, porcinos, ovinos y equinos), avicultura, cunicultura, apicultura y actividades agroindustriales que incluyen la elaboración de productos alimenticios como quesos, dulces artesanales de frutas y hortalizas, chacinados, entre otros muchos productos y actividades. La institución orienta su quehacer a una región de alto potencial productivo formada por los partidos de 9 de Julio, 25 de Mayo, Bolívar, Carlos Casares, Pehuajó, General Alvear, Saladillo, Bragado, Alberti, Chivilcoy, Suipacha, Mercedes, General Viamonte y Roque Pérez.