Results 11 to 20 of about 217,685 (167)

Effect of Dietary Supplementation with Lipids of Different Unsaturation Degree on Feed Efficiency and Milk Fatty Acid Profile in Dairy Sheep

open access: yesAnimals, 2021
Lipids of different unsaturation degree were added to dairy ewe diet to test the hypothesis that unsaturated oils would modulate milk fatty acid (FA) profile without impairing or even improving feed efficiency.
Gonzalo Hervás   +4 more
doaj   +1 more source

Arginina como aminoácido funcional en dietas para cerdos en iniciación

open access: yesEcosistemas y Recursos Agropecuarios, 2019
El objetivo de esta investigación fue determinar la concentración óptima de arginina (Arg) sintética que se debe adicionar a dietas para cerdos en iniciación para mejorar el comportamiento productivo.
José Luis Figueroa-Velasco   +5 more
doaj   +1 more source

Reconversión de ganadería convencional a silvopastoril: Estudio de caso rancho El Once en Campeche, México

open access: yesAIA Avances en Investigación Agropecuaria, 2021
En México se practica ampliamente la ganadería extensiva, la cual contribuye a la degradación de las pasturas y suelos, a la pérdida de la biodiversidad y a exacerbar los efectos negativos del cambio climático (Zepeda-Cancino et al., 2016).
Edwin Pérez-Sánchez   +6 more
doaj   +1 more source

Los sistemas silvopastoriles y el calentamiento global: un balance de emisiones

open access: yesAgronomía Costarricense, 2002
Se realizó un balance de emisiones de gases con efecto invernadero en Sistemas Silvopastoriles (SSP)ubicados en 3 diferentes zonas de vida. Se determinó la emisión de dióxido de carbono (CO2) y de óxido nitroso (N2O) en forma de gas, se cuantificó la ...
Johnny Montenegro, Sergio Abarca
doaj   +1 more source

Effects of slaughter age and gender on carcase characteristics and meat quality of native Mexican Turkey (M. g. gallopavo) reared under an extensive production system

open access: yesItalian Journal of Animal Science, 2022
The study aimed to investigate the effects of slaughter age and gender on carcase characteristics and meat quality of native Mexican turkeys raised under an extensive production system. Forty-five native turkeys (36 males and 9 females) were used.
Rodrigo Portillo-Salgado   +7 more
doaj   +1 more source

Secretory IgA as Biomarker for Gastrointestinal Nematodes Natural Infection in Different Breed Sheep

open access: yesAnimals, 2023
Specific IgA antibody has been shown to play an important role in resistance to gastrointestinal nematode (GIN) infections in sheep, particularly in Teladorsagia circumcincta parasitosis.
Verónica Castilla Gómez de Agüero   +5 more
doaj   +1 more source

La ganadería puneña

open access: yesAllpanchis, 1999
Desde el punto de vista zootécnico, ganadería es el conjunto de animales domésticos a ciertos métodos de explotación con el fin de sacar provecho de los mismos. La palabra ganadería se aplica lo mismo para expresar la totalidad de animales de un país que
Julio Amílcar Bustinza Menéndez
doaj   +1 more source

Naringin dietary supplementation at 0.15% rates does not provide protection against sub-clinical acidosis and does not affect the responses of fattening lambs to road transportation

open access: yesAnimal, 2010
Forty Assaf fattening lambs (initial age 13 to 15 weeks) offered a diet of barley straw and a commercial concentrate were used to assess the effect of naringin (a type of citrus flavonoid with proven antioxidant, antimicrobial and anti-inflammatory ...
Ó. López-Campos   +5 more
doaj   +1 more source

A contribution to the knowledge of Dermestidae (Coleoptera) from Guatemala [PDF]

open access: yes, 2019
The following five species of Dermestidae (Coleoptera) are recorded for the first time from Guatemala: Attagenus fasciatus (Thunberg), Dermestes (Dermestinus) caninus caninus Germar, Orphinus fulvipes (Guérin-Méneville), Trogoderma simplex Jayne and ...
García Ochaeta, José Francisco   +1 more
core   +3 more sources

Diagnóstico de febre catarral maligna em bovinos do Uruguai

open access: yesPesquisa Veterinária Brasileira, 2013
Foi realizado um estudo retrospectivo de 14 focos de febre catarral maligna (FCM) em bovinos, detectados nos anos de 1999-2011, a partir dos arquivos da Seção Anatomia Patológica da Divisão de Laboratórios Veterinários (DILAVE) "Miguel C.
Marcela Preliasco   +7 more
doaj   +1 more source

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