Results 111 to 120 of about 154,792 (190)

Age-related changes in quality and fertility of porcine semen

Biological Research, 2012
The aim of this study was to investigate the effect of boar age on quality traits and fertility of liquid-stored semen. Boars were allocated into 3 age groups: 7-10 months (young), 18-33 months (mature), 51-61 months (old).
Ioannis A Tsakmakidis, Tarek AA Khalifa, Costas M Boscos   +2 more
doaj  

Decline in human sperm counts during the past 50 years? [PDF]

, 2005
There is widespread concern that environmental pollutants acting as xenoestrogens may affect human fertility adversely. Whether this has already made an impact on human fertility worldwide remains debatable at the present stage.
Souza, Urban JAD, Pinto, Maxim, Jayachandra, Srinivasa   +2 more
core  

Normozoospermic versus teratozoospermic domestic cats: differential testicular volume, sperm morphometry, and subpopulation structure during epididymal maturation. [PDF]

Asian J Androl, 2016
Gutiérrez-Reinoso MA, García-Herreros M.   +1 more
europepmc   +1 more source

Spermatozoa characterization in the one-sided livebearing Jenynsia multidentata (Cyprinodontiformes: Anablepidae)

Revista de Biología Tropical, 2014
Several sperm parameters have been employed as useful tools to evaluate fish fertility. Within teleosts, approximately 3% of fish species are known to be viviparous.
María A. Roggio, María E. Teves, Andrea C. Hued, Laura C. Giojalas, María A. Bistoni   +4 more
doaj  

Comparative evaluation of sperm parameters in Italian (<i>Apis mellifera ligustica</i>) and Africanized (<i>Apis mellifera</i>) honeybee drones from the Caatinga biome. [PDF]

Anim Reprod
Dantas LL, da Silva AM, da Silva LA, Brito PAP, Matos YG, Santos RP, Gramacho KP, Silva AR.   +7 more
europepmc   +1 more source

Thymoquinone attenuates tricyclazole-induced testicular dysfunction through endocrine, redox, histomorphometric and sperm function changes in rats. [PDF]

Sci Rep
Kasra Kermanshahi R, Jorsarayi SGA, Fattahi E, Kazemi S, Gholami Tabar Tabari M.   +4 more
europepmc   +1 more source

Editorial: Insights in molecular and cellular reproduction. [PDF]

Front Cell Dev Biol
Valverde A, Dasmahapatra AK.
europepmc   +1 more source

Chronic exposure to mining-contaminated borehole water impairs the entire male reproductive axis: partial mitigation by alpha-lipoic acid in Wistar rats. [PDF]

Front Toxicol
Okposhi FT, Esomchi CN, Onwe KT, Onumajuru LO, Omeje EM, Onwumere FC, Ugwu PC, Onukogu GE, Olisaeke JO, Victor CP, Omeh CP, Onele BA.   +11 more
europepmc   +1 more source

Investigating the time-dependent withdrawal effects of sofosbuvir and/or ribavirin on male mice: a histological and histophotometrical approach. [PDF]

Naunyn Schmiedebergs Arch Pharmacol
Shahat EH, Shabaka HAE, Ali EHA, Ahmed S, Zakaria I.   +4 more
europepmc   +1 more source

Inferring sperm whale (Physeter macrocephalus) sex and developmental stage using aerial photogrammetry. [PDF]

Sci Rep
Eguiguren A, Gaspard D, Clarke CMK, Whitehead H.   +3 more
europepmc   +1 more source