Results 21 to 30 of about 8,355 (121)

A new endemic pearl cichlid of the ‘Geophagus’ brasiliensis (Cichliformes: Cichlidae) species group from the Piranga River, upper Doce River basin, southeastern Brazil

Journal of Fish Biology, EarlyView.
Abstract A new species of pearl cichlid of the ‘Geophagus’ brasiliensis species group, endemic to the Piranga River, a major tributary of the upper Doce River basin in the state of Minas Gerais, southeastern Brazil, is herein described. The new species is delimited using an integrative approach, with molecular‐based species delimitation methods coupled
Cidimar E. de Assis, Jorge A. Dergam, Amanda F. Cunha, Valéria N. Machado, Tomas Hrbek, Natállia M. de F. Vicente, Victor de Queiroz, Elisabeth Henschel   +7 more
wiley   +1 more source

Reduced fecundity associated with Wolbachia infection in a Neotropical drosophilid Redução da fecundidade associada à infecção por Wolbachia em um drosofilídeo Neotropical

Ecological Entomology, Volume 51, Issue 3, Page 475-488, June 2026.
Using multiple infected and uninfected Drosophila sturtevanti lines, we investigated (i) the impact of Wolbachia on fecundity and (ii) its effects relative to antibiotic treatment. Based on over 1680 dissected ovaries, fecundity was similar between infected and uninfected flies.
Letícia Carlesso de Paula Sena, Marina Magalhães Moreira, Luísa de Paula Bouzada Dias, Jhonny José Magalhães Guedes, Karla Suemy Clemente Yotoko   +4 more
wiley   +1 more source

Eficácia da administração de ração a bezerras lactentes e conseqüências na desmama, recria e reprodução

Boletim de Indústria Animal, 2014
Foram utilizadas bezerras cruzadas santa’gertrudi, nascidas no período de fevereiro a maio de 1975 e 1976 em delineamento inteiramente casualizado com dois tratamentos e 16 rapaticões. Os tratamentos diferiam apenas na fase de criacão. A recria e as coberturas das novilhas processavam-se no pasto.
Paulo Gastão da Cunha, Delcácio Joaquim da Silva, João Carlos Aguiar de Mattos, Celso Boin   +3 more
openaire   +5 more sources

Fluctuating asymmetry in spider‐hunting wasps as a possible indicator of stress in Brazilian Atlantic Forest landscapes Assimetria flutuante em vespas caçadoras de aranhas como possível indicador de estresse em paisagens da Mata Atlântica brasileira

Ecological Entomology, Volume 51, Issue 3, Page 558-569, June 2026.
Agricultural cover was positively associated with fluctuating asymmetry in Trypoxylon opacum, suggesting a possible increase in developmental instability in intensively managed landscapes. Wing size was positively related to forest cover and negatively related to agricultural cover, indicating that forested landscapes may promote larger body size ...
Luana Vieira Carlin dos Santos, Jean Pablo Alves de Deus, Milton Cezar Ribeiro, Maria Luisa Tunes Buschini   +3 more
wiley   +1 more source

Predictive factors for sperm retrieval and sperm injection outcomes in obstructive azoospermia: do etiology, retrieval techniques and gamete source play a role?

Clinics
Obstructive azoospermia is a relatively common male infertility condition. The main etiologies of obstructive azoospermia include congenital, surgical-derived, traumatic and post-infectious cases. Although seminal tract reconstruction is a cost-effective
Ricardo Miyaoka, Sandro C. Esteves
doaj   +1 more source

Green tea infusion improves cyclophosphamide-induced damage on male mice reproductive system

Toxicology Reports, 2015
Green tea presents catechins as its major components and it has a potential antioxidant activity. Cyclophosmamide (CP) is an antineoplastic and immunosuppressive agent, known to reduce fertility. In the present study, we evaluated the effect of green tea
Mariane Magalhães Zanchi, Vanusa Manfredini, Daniela dos Santos Brum, Laura Musacchio Vargas, Cristiano Chiapinotto Spiazzi, Melina Bucco Soares, Aryele Pinto Izaguirry, Francielli Weber Santos   +7 more
doaj   +1 more source

Endogamia e reprodução de bovinos matiqueira da Estação esperimental de zootecnia de Pindaminhangaba

Boletim de Indústria Animal, 2014
Dados de trinta anos, desde a formação do rebanho mantiqueira, em 1952, foram estudados para avaliar o efeito da endogamia nas características de reprodução: idade ao primeiro parto (IPP), intervalo entre partos (IEP), período de serviço (PS), período de gestação (PG) e peso ao nascer do produto (PN).
Guilherme Paes Guaragna, Vera Lúcia Cardoso, Raysildo Barbosa Lôbo, Maria Inês de Aquino Barbosa   +3 more
openaire   +7 more sources

Climate‐induced shifts in long‐term tropical tree reproductive phenology: Insights from species dependent on and independent of biotic pollination

Functional Ecology, Volume 40, Issue 5, Page 1286-1298, May 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract The dependence on biotic pollination may constrain plant phenological responses because flowering time ultimately defines reproductive success. We proposed a local‐scale study combining long‐term phenology and experimental data to evaluate how a key functional trait—the
Amanda Eburneo Martins, Priscilla de Paula de Loiola, Daniel Pareja‐Bonija, Leonor Patricia Cerdeira Morellato   +3 more
wiley   +1 more source

Comparison of extenders and storage temperature in chilling canine semen

Ciência Animal Brasileira, 2020
The objective of this study was to evaluate the influence of a commercial milk-based extender compared with a self-made egg yolk extender in the quality of canine semen, stored with two different temperatures (5°C or 15°C) for short-term cooling.
Tatiana Almeida Pignataro, Jessica Maresch De Araújo, Aline Batista Silva, Mariane Leão Freitas, Heitor Castro Alves Teixeira, Ivo Pivato, Rodrigo Arruda Oliveira   +6 more
doaj  

Gravidez Gemelar com uma Mola Hidatiforme Completa e um Co-Gémeo Viável

Acta Médica Portuguesa, 2014
A existência de uma gravidez gemelar bicoriónica com uma mola hidatiforme completa e um co-gémeo viável é um evento raro, sendo o diagnóstico habitualmente realizado no segundo trimestre.
Ana Beatriz Godinho, Diana Martins, Cláudia Araújo, Maria Antonieta Melo, Luís Mendes Graça   +4 more
doaj   +1 more source