Browsing by Author "Raggi Saini, Luis"
Now showing items 1-15 of 15
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(MDPI, 2020)Understanding the botanical composition of herbivores’ diets and their nutritional quality is an important question in the development of sustainable strategies for the management of natural resources. In Chilean highland ...
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(INST INVESTIGACIONES AGROPECUARIAS, CENTRO REGIONAL DE INVESTIGACION QUILAMAPU, 2008-06)The re-introduction of domestic South American camelids (alpacas and Ilamas) in the central zone of Chile makes it necessary to study their behaviour and adaptability. Since it is fundamental to characterize the camelid's ...
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(1997)An ultrasonography study of early pregnancy diagnosis was carried out in 19 alpacas and 12 llamas, after controlled matings. The aim was to determine the earliest gestational age at which pregnancy diagnosis by transrectal ...
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(Universidad de Chile, 2019)El Sello Manos Campesinas busca visibilizar la producción campesina acreditando cuatro atributos que los consumidores reconocen como campesinos: origen campesino, producción artesanal, sano, y que fomenta el desarrollo ...
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(Universidad de Chile, 2015)Introducción: Uno de los factores que influye en la capacidad reproductiva y que posee un impacto a nivel testicular, es el desbalance entre las especies reactivas del oxígeno (ROS) y los mecanismos antioxidantes. Se ha ...
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(Universidad de Chile, 2009)La fiebre aftosa (FA) es considerada una de las enfermedades transfronterizas más importantes de los animales de abasto, debido a las grandes pérdidas económicas que genera en los sistemas productivos. El objetivo de este ...
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(CANADIAN VET MED ASSOC, 2010-07)Fetal weight and the placenta of sheep at high altitude (HA) are affected by hypoxia. Placental changes (an increase in placental size and vascularization) are greater in ewes from populations that have lived for several ...
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(1994)Alpaca play a primary role in the Andean peasant economy. Major constraints to productivity include lack of knowledge of relations between reproduction and nutrition and of the potential of alpaca outside their normal ...
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(ELSEVIER, 2006-09)Fetal growth and newborn weight from ovine gestations at high altitudes (HA) are greater in ewes that live at HA for several generations than in those native to low altitudes (LA) exposed to HA only during pregnancy. Because ...
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(Universidad de Chile, 2019)El presente estudio evaluó la hipótesis de que la gestación mellicera y la subnutrición materna en la preñez ovina generan hipoxia fetal y estrés oxidativo, afectando el normal crecimiento fetal, lo cual podría ser prevenido ...
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(ELSEVIER SCIENCE BV, 1999-01-29)Plasma progesterone concentration during pregnancy and the early postpartum period was measured by radioimmunoassay in five alpacas (Lama pacos), of the Huacaya breed, whose pregnancy length had a mean of 344.8 +/- 4.4 ...
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(Universidad de Chile, 2018)En la producción ovina, la obtención de mellizos es una estrategia clave para mejorar la productividad predial. Sin embargo, los corderos mellizos nacen con menor peso que las crías gestadas individualmente, lo cual está ...
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(2001)Fetal biparietal diameter (BPD) and thorax height (TH) were measured by ultrasound during intrauterine growth in pregnant llamas (Lama glama) and alpacas (Lama pacos). The goal was to establish representative curves that ...
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(1994)Experiments were undertaken to obtain information on the effects of season on endocrine function and testicular morphology in male vicunña. Serial blood samples were taken every 15 min over 4-8 h in February and August: ...
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(Universidad de Chile, 1988)El objetivo del presente trabajo es estudiar el efecto de la administracion exogena de secretina y CCK-PZ sobre el flujo y composicion de la bilis en el cabrito lactante anestesiado. Se utilizaron 20 cabritos lactantes de ...
