Epigenetic changes to gene pathways linked to male fertility in ex situ black‐footed ferrets
Evolutionary Applications, Volume 17, Issue 1, January 2024.Abstract Environmental variation can influence the reproductive success of species managed under human care and in the wild, yet the mechanisms underlying this phenomenon remain largely mysterious. Molecular mechanisms such as epigenetic modifiers are important in mediating the timing and progression of reproduction in humans and model organisms, but ...
Stavi R. Tennenbaum +13 more
wiley +1 more source
Pesquisa Veterinária Brasileira, 2013 As cutias são animais que vivem nas Américas Central e do Sul, com potencial zootécnico e que despertam crescente interesse científico. O objetivo deste estudo foi estabelecer um padrão para colheita de sêmen por eletroejaculação em cutia-parda ...
Antonio C. Martinez +5 more
doaj
Variations in semen quality parameters of Ovchepolian pramenka rams according to the method of collection and the meteorological season [PDF]
, 2012 The off-breeding season for rams is a time-limiting factor for their use in scientific aims. This research was set upon two aims: (1) to acknowledge the differences of semen quality collected throughout the year, and (2) to investigate which of the two ...
Atanasov Branko +4 more
core
In vitro production and transfer of embryos in South American Camelids: New opportunities and challenges [PDF]
SPERMOVA, 2018 Many of the studies on in vitro fertilization in South American camelids has culminated in the evaluation of the development to blastocyst. Initially work has been done with gametes collected from post-mortem animal, but recent work is already reporting ...
J. Ruiz-Bejar
doaj +1 more source
Valoración reproductiva de toros jóvenes de testaje de raza Parda de montaña [PDF]
, 2013 raza Parda de ...
Alabart Alvarez, José Luis +6 more
core
Effects of varying electroejaculation voltages on semen quality, reproductive efficiency, and testicular histology in young and old roosters [PDF]
Iraqi Journal of Veterinary SciencesThis study comprehensively evaluated effects of varying electroejaculation voltages on semen quality, reproductive efficiency, and testicular histology in young (YG) and old (OG) local roosters, while young roosters exhibited peak total, progressive ...
Mahmood S. Al-Maatheedi
doaj +1 more source
Testosterone and cortisol patterns and the effects of electro-ejaculation and copulation in Awassi rams [PDF]
Archives Animal Breeding, 2016 The effects of month, electro-ejaculation (EE) and copulation process on testosterone and cortisol levels were investigated in Syrian Awassi rams. Jugular blood samples were collected from 10 rams at weekly intervals for 1 year.
M. Alomar +3 more
doaj +1 more source
Feasibility of sex-sorting sperm from the white and the black rhinoceros (Ceratotherium simum, Diceros bicornis) [PDF]
, 2009 The objective of these studies was to investigate the practicality of flow cytometric sex-sorting for spermatozoa from the white and the black rhinoceros (Ceratotherium simum, Diceros bicornis). In Experiment 1, four semen extenders were tested regarding
B. Behr +60 more
core +1 more source
Stress levels in bulls during and after electroejaculation [PDF]
, 2011 The Animal Welfare Society has expressed its concern on the use of electroejaculator as a semen collection device. The society believes that electroejaculation will incur pain to the animal and thus causing stress.
Haron, Abdul Wahid +3 more
core
Effects of ICI 182780 on estrogen receptor expression, fluid absorption and sperm motility in the epididymis of the bonnet monkey [PDF]
, 2005 Background: The importance of estrogen in regulation of fluid absorption and sperm maturation in the rodent epididymis has been established from studies on estrogen receptor-alpha knockout mice.
Shayu, Deshpande +3 more
core +1 more source