Results 81 to 90 of about 15,659 (196)

Seasonal influence on testicular morphophysiological parameters of bat Carollia perspicillata in fragments of the Atlantic Forest, northeastern Brazil

open access: yesPesquisa Veterinária Brasileira
: Bats belong to the order Chiroptera, family Phyllostomidae, and present a wide diversity of reproductive strategies. However, information on the reproductive biology of male bats is scarce, mainly in the Northeast Region of Brazil.
Maria J.G. Arandas   +7 more
doaj   +1 more source

Caráter mocho e infertilidade em caprinos. [PDF]

open access: yes, 2019
Não é possível obter uma linhagem de caprinos mochos e férteis, uma vez que o gene que determina o caráter mocho tem efeito pleiotrópico sobre a fertilidade.
ANDRIOLI, A., ARAUJO, A. M. de
core  

Identification of telocytes in dystrophic mice testis. [PDF]

open access: yesEinstein (Sao Paulo), 2021
Gomes VLA   +6 more
europepmc   +1 more source

Criopreservación de gametos en el hospital clínico universitario de Valladolid. Implicaciones de enfermería [PDF]

open access: yes, 2019
Los estudios epidemiológicos más recientes confirman que los problemas de reproducción afectan al 15% de la población en edad reproductiva de occidente. En ocasiones la capacidad de ser padres está amenazada, por eso surgen técnicas de preservación de
Brizuela Simón, Pablo
core  

Bases moleculares de la determinación sexual en mamíferos

open access: yesCiencia Ergo Sum, 2008
Se correlacionan conceptos clásicos de la diferenciación sexual con mecanismos moleculares de la determinación sexual en mamíferos. El paradigma de Jost estableció que la diferenciación sexual fetal depende de la actividad endócrina de los ...
Verónica Díaz Hernández   +1 more
doaj  

Comb, cloaca and feet scores and testis morphometry in male broiler breeders at two different ages

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia
In broiler breeder roosters, the weight of the testes is positively associated with daily sperm production and fertility. In birds, the testes are located in the coelomic cavity, not being accessible to reproductive evaluation as mammalian testes.
R.A.C. Leão   +7 more
doaj   +1 more source

[Steinert's myotonic dystrophy and thromboembolic disease]. [PDF]

open access: yesRev Neurol, 2022
Rosado-Bartolomé A   +1 more
europepmc   +1 more source

Estrategias para aumentar la eficiencia reproductiva del ovino de carne [PDF]

open access: yes, 2014
PublishedCapítulo
Alabart Alvarez, José Luis   +6 more
core  

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