Results 81 to 90 of about 225,138 (210)
EFFECT OF THE SPERM MEMBRANE PROTECTOR ON THE FREEZABILITY OF GOAT SEMEN
Background: Prior to freezing goat semen, it is necessary to perform seminal washing by centrifugation to eliminate Phospholipase A, with the consequent loss of elements involved in maintaining sperm functions.
Josefa Martinez Duran +5 more
doaj +1 more source
Una panorámica de la ganadería industrial en el Estado español [PDF]
En el Estado español el número de cabezas de ganado no deja de crecer, pero cada vez hay menos personas dedicadas a la ganadería. La industria cárnica ha convertido la ganadería en una actividad industrial más: deslocalizada, desligada del entorno y ...
Ruibal, Blanca, Sánchez Carpio, David
core
Our results indicated that the three genera of blood parasites found in the two species of lizards studied can exhibit distinct epidemiological patterns across microgeographic and temporal scales. ABSTRACT We investigated the phenological variation of three genera of blood parasites of lizards (Schellackia, Karyolysus, and Lankesterella) using samples ...
Claudia Mediavilla +5 more
wiley +1 more source
Se analizó la dieta de ejemplares de Pachyurus bonariensis capturados en el río Mocoretá, del río Uruguay en marzo de 2012. El régimen alimentario de este perciforme correspondió al tipo carnívoro bentófago y las presas dominantes, tanto en juveniles ...
Sabina Llamazares Vegh +2 more
doaj
The present study was designed to describe the effects of early feed restriction of Merino lambs on feed efficiency during the fattening period by examining ruminal microbiota and fermentation parameters, gastrointestinal morphology, digestibility or ...
A. Santos +7 more
doaj +1 more source
Abstract This paper offers an alternative reading of decolonial geographies by examining how people make due in the context of colonial natures. Drawing on collaborative ethnographic research, we illustrate how everyday acts of reclaiming ancestral lands serve as practices of resistance that foment Enxet and Sanapaná resurgence in Paraguay's Chaco.
Joel E. Correia, Clemente Dermott
wiley +1 more source
Disponibilidad de selenio complementado con selenito de sodio y selenometionina en corderos
El objetivo de este trabajo fue evaluar el efecto del complemento de selenio (Se) sobre la función digestiva de corderos. Se utilizaron veinte corderos (26 Ó 2,4 kg) de 6 meses de edad, canulados en rumen y duodeno y alojados en jaulas metabólicas. Antes
Rosy Gabriela Cruz Monterrosa +5 more
doaj
Alternative treatments in the control of psoroptic mange in a flock of organic production sheep. [PDF]
The aim of the experiment was to verify the efficacy of the treatment of psoroptic mange in a flock of Churra sheep farmed under organic production conditions, using alternative methods. One group, C Control (N=9), was given no treatment, a second group,
de la Fuente, L.F. +2 more
core
Forest conversion for agriculture is a major cause of biodiversity loss in the tropics, but its impacts depend on how broadly they are measured. Using data from across Colombia, one of the most biodiverse countries in the world, we examined how deforestation for cattle farming affects the evolutionary history of bird species.
Giovanny Pérez +7 more
wiley +1 more source
Background: At the present, agricultural production systems need to produce more food, in the shortest possible time, and at the same time conserve natural resources.
F. Guevara-Hernández +4 more
semanticscholar +1 more source

