Now showing items 41-50 of 40405
Ultrastructural study of the lateral lobe of the prostate of Wistar rats submitted to experimental chronic alcohol ingestion
Alcoholism is considered today one of the most serious social and medical problems. Different investigators have demonstrated that chronic exposure to alcohol causes morphological and physiological changes in the testes ...
Non-hormonal male contraception: A review and development of an Eppin based contraceptive
(Elsevier B.V., 2016-01-01)
Developing a non-hormonal male contraceptive requires identifying and characterizing an appropriate target and demonstrating its essential role in reproduction. Here we review the development of male contraceptive targets ...
Mate Selection and reproductive success in the Amazonian angelfish, Pterophyllum scalare (Osteichthyes: Cichlidae)
Mate selection and mating success in the Amazonian angelfish, Pterophyllum scalare were experimentally investigated in the laboratory. This species has a breeding system where male body size and substrate type could be ...
Social cliques in male northern muriquis Brachyteles hypoxanthus
(CURRENT ZOOLOGYBEIJING, 2012)
Analyses of spatial relationships and social interactions provide insights into the social structure of animal societies and the ways in which social preferences among and between dyads affect higher order social relationships. ...
Female tawny-bellied seedeaters do not prefer more colorful males in choice experiments
(Springer Tokyo, 2013-09)
Plumage coloration has long been studied as a sexually selected character. The tawny-bellied seedeater, Sporophila hypoxantha, is a sexually dichromatic species, with adult males the more colorful sex and juvenile males ...
Two polyisoprenylated benzophenones from the floral resins of three Clusia species
(Pergamon-elsevier Science LtdOxfordInglaterra, 1999)
Remating behaviour in Anastrepha fraterculus (Diptera: Tephritidae) females is affected by male juvenile hormone analog treatment but not by male sterilization
(Cambridge University Press, 2013-01)
The sterile insect technique (SIT) has been proposed as an area-wide method to control the South American fruit fly, Anastrepha fraterculus (Wiedemann). This technique requires sterilization, a procedure that affects, along ...
The effects of genetic manipulation, dieldrin treatment and irradiation on the mating competitiveness of male Anopheles arabiensis in field cages
Abstract Background To enable the release of only sterile male Anopheles arabiensis mosquitoes for the sterile insect technique, the genetic background of a wild-type strain was modified to create ...