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The effects of male age on sperm DNA damage in an infertile population
(2007-11-01)
The objective was to investigate the influence of age on sperm DNA damage. Semen samples were collected from 508 men in an unselected group of couples attending infertility investigation and treatment. DNA fragmentation ...
Transcript levels of ten caste-related genes in adult diploid males of Melipona quadrifasciata (Hymenoptera, Apidae): a comparison with haploid males, queens and workers
(2011)
In Hymenoptera, homozygosity at the sex locus results in the production of diploid males. In social species, these pose a double burden by having low fitness and drawing resources normally spent for increasing the work ...
Comportamento social de machos e suas implicações na reprodução e larvicultura do ciclídeo africano Aulonocara Nyassae
(Universidade Federal de Minas GeraisBrasilVETER - ESCOLA DE VETERINARIACurso de Graduação em ZootecniaUFMG, 2021-04-30)
The aims of the present work were to evaluate behavior, evaluate the influence of male social status on sperm quality, hematological parameters and serum biochemistry, organosomatic indexes, growth and reproductive performance ...
Neonatal inhalatory anesthetic exposure: Reproductive changes in male rats
(2002-12-01)
We investigated the effects of an inhalatory anesthetic (ethyl ether) during the neonatal period of brain sexual differentiation on the later fertility and sexual behavior of male rats. Animals were exposed to ethyl ether ...
Neonatal inhalatory anesthetic exposure: Reproductive changes in male rats
(2002-12-01)
We investigated the effects of an inhalatory anesthetic (ethyl ether) during the neonatal period of brain sexual differentiation on the later fertility and sexual behavior of male rats. Animals were exposed to ethyl ether ...
Ultrastructural study of the lateral lobe of the prostate of Wistar rats submitted to experimental chronic alcohol ingestion
(1998-01-01)
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 ...
Ultrastructural study of the lateral lobe of the prostate of Wistar rats submitted to experimental chronic alcohol ingestion
(1998-01-01)
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 ...