ResumenColombia posee una alta diversidad de peces de montaña dentro de la región Andina, con alto número de endemismos, por lo que el conocimiento de su biología reproductiva es necesario para su protección y conservación. Se estudió la biología reproductiva de Saccodon dariensis en las quebrada...
Resumo O artigo objetiva propor princípios para os cuidados masculinos voltados para a saúde sexual, a reprodução e a paternidade, bem como apresentar um fluxo para o envolvimento de homens no pré-natal. A proposta dos autores passou por processo de estabelecimento de consenso entre especialistas co...
Abstract Very little is known about the ecology and biology of Drymaeus tripictus, an extremely rare and endemic land snail species from Costa Rican highlands. I studied the ecology and reproductive biology of D. tripictus from April 2009 through June 2010 in an old forest, a young forest and a Cupressus...
AbstractSuccess in fish breeding depends on reproduction intensity, periodicity and the place where it occurs. Information about fish species reproduction is important to assist managers, and to determine conservation and management strategies. The fish assemblage of the Iguaçu River basin is already kn...
ResumenPseudocurimata boulengeri, es una especie endémica del Ecuador, que da sustento a un importante grupo de familias de pescadores. Los antecedentes biológicos para esta especie corresponden a reportes en los sistemas loticos de la Provincia de los Ríos, se desconoce si estos parámetros siguen ig...
AbstractThe family Nereididae includes more than 500 polychaete species described worldwide, and includes species common in many benthic environments, but some other species may tolerate freshwater or can even thrive in humid substrates in tropical forests. In estuarine environments, nereidid polychaetes...
This study aimed to measure irreversible DNA damage in the offspring of rats exposed to contaminated soil. Bone marrow cells were removed from the femurs of the offspring of rats that were exposed to contaminated soil via gavage during three different periods: 21 days prior to detection of pregnancy, dur...
Metolachlor is a selective pre-emergent herbicide widely used in agriculture to control weeds. The aim of this study was to evaluate the possible effects of metolachlor on reproductive performance of adult rats, as well as its teratogenic potential when administered during the period of organogenesis. Pr...
Toxoplasma gondii is a cosmopolitan, intracellular, obligatory parasite protozoan of importance to public and animal health. In sheep, this species is a causative agent of reproductive disorders. The main sign produced by T. gondii infection in this species is abortion, which causes economic losses to sh...
O conhecimento da fisiologia do desenvolvimento testicular e ponderal, a precocidade sexual, a capacidade de produção e qualidade espermática, além dos fatores que potencialmente interferem nestes processos, são importantes para predizer a capacidade reprodutiva dos touros. Entre esses fatores, exis...
