Results 61 to 70 of about 9,415 (121)

Spatial segregation and bycatch risk as potential drivers of population trends of wandering albatrosses at South Georgia

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Spatial segregation in at‐sea distribution is frequently observed in seabirds and can have important implications for conservation and management. Globally, many albatross and petrel populations are declining due to bycatch in fisheries. In South Georgia, the decrease in wandering albatrosses (Diomedea exulans) differs among breeding sites ...
V. Warwick‐Evans   +3 more
wiley   +1 more source

Changes in responsiveness to kit odours across pregnancy: relevance for the onset of maternal behaviour

open access: yesWorld Rabbit Science, 2015
Virgin does are indifferent to foster kits but lesions to the main or accessory olfactory systems allow them to behave “maternally” (i.e., they crouch over the litter and allow suckling).
Rosario Chirino   +1 more
doaj   +1 more source

Spermicides: A Contraception Alternative to Consider

open access: yesTecnoLógicas, 2012
The aim of this manuscript was to show a review about historical data, uses, advantages and disadvantages of spermicidal products. Conducting a search in several biomedical databases and using some terms such as Contraception, Spermatozoa, Spermicides ...
Mélany Uribe-Clavijo   +5 more
doaj  

Infecciones de transmisión sexual en estudiantes universitarios y sus factores asociados

open access: yesRevista Chilena de Obstetricia y Ginecología
Introducción: Las políticas públicas sobre la salud sexual y reproductiva en los jóvenes se dirigen hacia la promoción de la salud sexual, lo que implica disfrutar de una vida sexual satisfactoria desde la libertad de decidir sobre el cuerpo, tener hijos
Estefanía Ochoa-Barrientos   +4 more
doaj   +1 more source

Estrés oxidativo en células endoteliales inducido por el suero de mujeres con diferentes manifestaciones clínicas del síndrome antifosfolípido

open access: yesBiomédica: revista del Instituto Nacional de Salud, 2019
Introducción. El síndrome antifosfolípido se caracteriza por la presencia persistente de anticuerpos antifosfolípidos y manifestaciones clínicas de trombosis o morbilidad gestacional, las cuales se asocian con estrés oxidativo y disfunción endotelial ...
Manuela Velásquez   +4 more
doaj   +1 more source

In Vitro Effect of Ananas Comosus Extract on Human Sperm

open access: yesTecnoLógicas, 2012
Spermicides has been used for birth control, but its chemical components are harmful for the vaginal epithelium, thus other studies have been done, given the possibility to use different extracts from plants as spermicidal agents that avoid vaginal ...
Mélany Uribe-Clavijo   +5 more
doaj  

Approaching Standardization of Bovine Ovarian Cortex Cryopreservation: Impact of Cryopreservation Protocols and Tissue Size on Preantral Follicle Population

open access: yesAnimals
Cryopreservation of bovine ovarian cortical tissue offers a promising strategy for preserving female fertility and genetic resources, yet outcomes remain variable and influenced by both protocol and tissue size.
Paula Romero   +6 more
doaj   +1 more source

La circuncisión como una estrategia para la prevención del cáncer de pene

open access: yesUrología Colombiana
Objetivo: La circuncisión implica la extirpación parcial o total de la piel que recubre el glande para corregir condiciones médicas asociadas al desarrollo de cáncer de pene, procedimiento descrito como factor protector contra
Alejandra Vásquez-Hernández   +2 more
doaj   +1 more source

THE ROSTRAL PERIVENTRICULAR AREA OF THE THIRD VENTRICLE (RP3V) REGULATES THE PROGRESSION OF THE ESTROUS CYCLE AND OVULATION

open access: yesIBRO Neuroscience Reports, 2023
Montserrat Bolaños-Hurtado   +5 more
doaj   +1 more source

¿Por qué no ovulan los primeros folículos dominantes de las vacas cebú posparto en el trópico colombiano?

open access: yesRevista Colombiana de Ciencias Pecuarias
La eficiencia en la producción bovina depende de la salud reproductiva del hato. La reactivación ovárica posparto está determinada principalmente por el amamantamiento, el balance energético reflejado en condición corporal y la interacción vaca-ternero ...
Erika L Montaño, Zulma T Ruiz Cortés
doaj  

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