Results 61 to 70 of about 313,038 (237)

Causal inference for the covariance between breeding values under identity disequilibrium

open access: yesGenetics Selection Evolution, 2022
Background The covariance matrix of breeding values is at the heart of prediction methods. Prediction of breeding values can be formulated using either an “observed” or a theoretical covariance matrix, and a major argument for choosing one or the other ...
Rodolfo J. C. Cantet   +3 more
doaj   +1 more source

Medio siglo de producción animal. Archivos de Zootecnia [PDF]

open access: yes, 2001
Archivos de Zootecnia ha cumplido en 2001 cincuenta años de publicación ininterrumpida lo que ha permitido que casi 1400 artículos científicos vieran la luz.
Gómez-Castro, A.G.   +1 more
core  

Classification, characterisation and strategies for improvement of cattle and sheep pasture systems in marginal areas of Southern Chile [PDF]

open access: yes, 2018
Pasture-based livestock systems in farms with medium or low size are especially important in less favored areas and are valuable for society. For these systems to survive, it is necessary to obtain an acceptable level of productivity and ensure ...
Avilez, J. P.   +5 more
core   +4 more sources

Report of the Scientific Committee of the Spanish Agency for Food Safety and Nutrition (AESAN) on the conservation conditions of foods made with eggs or egg products in retail establishments

open access: yesFood Risk Assess Europe, Volume 4, Issue 2, April 2026.
Abstract Royal Decree 1021/2022, which regulates certain hygiene requirements for the production and marketing of foodstuffs in retail establishments, establishes that, in retail establishments, food made with raw egg subjected to heat treatment where a temperature equal to or greater than 70°C is reached for 2 seconds in the centre of the product or ...
Antonio Valero Díaz   +6 more
wiley   +1 more source

Lactobacillus plantarum CIDCA 83114 liofilizado en alimentación aviar [PDF]

open access: yes, 2016
Los antibióticos se emplean en la industria aviar como promotores de crecimiento para aumentar la performance animal y el control de enfermedades, lo cual es controversialdebido a los problemas de salud originados por su consumo.
Moretti, Ana Florencia
core   +2 more sources

Aspectos Característicos de La Fisiología Reproductiva de la Oveja

open access: yesRevista Científica, 2009
Se revisan algunas de las características más importantes de la fisiología reproductiva de la oveja, especialmente en razas estacionales y más meridionales, afectadas principalmente por factores ambientales.
A. López Sebastián   +3 more
doaj  

Prácticas de manejo y bienestar animal en la producción de ganado bovino de carne en Sur América [PDF]

open access: yes, 2016
El bienestar animal es el estado del individuo con respecto a sus tentativas por adaptarse al medio externo. En animales de producción el medio externo es impuesto por los ciclos productivos, instalaciones y manejo dado a los animales.
Caicedo Candela, Luis Alberto   +1 more
core  

A Scoping Review of Human–Jaguar (Panthera onca) Conflict in Latin America 拉丁美洲人与美洲豹 (Panthera onca) 冲突的范围综述 Revisión de Alcance del Conflicto Humano‐Jaguar (Panthera onca) en América Latina

open access: yesIntegrative Conservation, Volume 5, Issue 1, Page 16-32, March 2026.
A review of 192 articles published between 1985 and 2023 revealed that human–jaguar conflict literature has focused on the human dimensions of conflict, jaguar killings, attacks on domestic animals and humans, and management. Several research gaps remain including: policy enforcement, interdisciplinary research, relevant geographic locations and ...
Angelica Solano   +2 more
wiley   +1 more source

Comportamiento agronómico del Cenchrus purpureus vc. Cuba OM-22 en los llanos venezolanos

open access: yesRevista de Producción Animal, 2023
Antecedentes: El Cenchrus purpureus Cuba OM-22 es un forraje promisorio para la ganadería venezolana, por su alta producción y calidad. Objetivo. Evaluar los indicadores agronómicos y su relación con la edad de la planta y elementos del clima en los ...
Yovanis Álvarez Báez   +5 more
doaj  

The importance of the fatty acids in breast milk and in lacteal formulae.

open access: yesGrasas y Aceites, 2012
The best choice for feeding the newborn child is breast milk, and when it is not possible to breastfeed a baby, the breast milk is replaced by lacteal formula, which is why numerous studies focus their attention on the analysis of the diverse components ...
S. Vega   +9 more
doaj   +1 more source

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