Results 41 to 50 of about 44,014 (166)
Parámetros genéticos del crecimiento y la reproducción en ganado cebú
Revista de Medicina Veterinaria, 2009 Con el propósito de conocer las correlaciones genéticas entre los rasgos de crecimiento en toros y las características reproductivas en vacas cebú de Cuba, se utilizaron 9490 registros de toros que terminaron la prueba de comportamiento en pastoreo, a ...
Mario Pino Pérez de Utrera +2 more
doaj +1 more source
Estado del Arte en Cambio Climático, Agricultura y Seguridad Alimentaria en Costa Rica [PDF]
, 2014 El cambio climático ha provocado numerosos efectos en el medio rural de Costa Rica; es por esto que el Ministerio de Agricultura y Ganadería de Costa Rica (MAG) en colaboración con el Programa de Investigación de CGIAR en Cambio Climático, Agricultura y ...
Boa, María +4 more
core
The Journal of Latin American and Caribbean Anthropology, Volume 29, Issue 4, Page 352-363, December 2024.Abstract This paper explores selective aspects of the historical processes of organization of the kichwa peasantry in the Andes of Ecuador. Based on the analysis of two representative cases of confrontation between peasants and landowners over access to land in the province of Chimborazo, it discusses the relevance of the concept of “gamonalismo” as ...
Víctor Bretón
wiley +1 more source
Ecosistemas y Recursos Agropecuarios, 2017 El objetivo del presente estudio fue estimar parámetros genéticos para el peso adulto (PEA) y tasa de crecimiento (TAC) de bovinos Tropicarne, derivados del modelo no lineal de Brody; así como analizar las posibles relaciones genéticas de estas ...
Joel Domínguez-Viveros +4 more
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Parasites & Vectors, 2022 Background Infections by gastrointestinal nematodes cause significant economic losses and disease in both humans and animals worldwide. The discovery of novel anthelmintic drugs is crucial for maintaining control of these parasitic infections.
Elora Valderas-García +9 more
doaj +1 more source
Structure and genetic diversity in wild and cultivated populations of Zapote mamey (Pouteria sapota, Sapotaceae) from southeastern Mexico: its putative domestication center [PDF]
, 2019 Tropical fruit trees are an important component of the human diet; however, little is known about their genetic diversity levels. Zapote mamey (Pouteria sapota) is a tree native to southeastern Mexico and Central America, and Mexico is the leading ...
Arias, Renee S. +5 more
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Commodity risk assessment of Petunia spp. and Calibrachoa spp. unrooted cuttings from Costa Rica
EFSA Journal, Volume 22, Issue 11, November 2024.Abstract The European Commission requested the EFSA Panel on Plant Health to evaluate the probability of entry of pests (likelihood of pest freedom at entry), including both regulated and non‐regulated pests, associated with unrooted cuttings of the genera Petunia and Calibrachoa produced under physical isolation in Costa Rica.
EFSA Panel on Plant Health (PLH) +37 more
wiley +1 more source
El búfalo de agua en Cuba. III. Programación fetal, pesos al nacer y al destete
Revista de Producción Animal, 2022 Antecedentes: La programación fetal es un término que se empezó a utilizar en los humanos y debido al alcance que obtuvo, comenzaron las diferentes investigaciones en animales domésticos, con la finalidad de observar cuales son los efectos de la ...
Alina Mitat Valdés
doaj
Journal of Applied Ecology, Volume 61, Issue 10, Page 2497-2509, October 2024.To minimise the loss of avian phylogenetic diversity and functional traits from farming in the Amazon, it is imperative to protect large blocks of undisturbed and regenerating forests. The intensification required within existing farmlands to make space for spared lands while meeting agricultural demand needs to be sustainable, avoiding long‐term ...
Giovanny Pérez +6 more
wiley +1 more source
Tropical and Subtropical AgroecosystemsBackground. Forage trees and shrubs are an alternative that improve dry matter intake and digestibility in ruminants, due to their high ruminal degradation rate, higher nitrogen contribution for rumen microorganisms, low percentage of neutral and acid ...
Vicky Tatiana Vargas Velazquez +6 more
doaj +1 more source