Results 21 to 30 of about 73,593 (249)

Cryptic female choice favours sperm from major histocompatibility complex-dissimilar males [PDF]

open access: yes, 2013
Cryptic female choice may enable polyandrous females to avoid inbreeding or bias offspring variability at key loci after mating. However, the role of these genetic benefits in cryptic female choice remains poorly understood. Female red junglefowl, Gallus
Alcaide M   +8 more
core   +1 more source

The effects of oxytocin and pgf2α injections on semen quality and libido in buck [PDF]

open access: yesKafkas Universitesi Veteriner Fakültesi Dergisi, 2019
The aim of the present study was to evaluate the effects of exogenous oxytocin and PGF2α on seminal quality and libido sexualis in bucks. To investigate the role of these hormones on male fertility, semen samples from 20 Norduz bucks (3-4 years of age ...
Çiğdem ÇEBİ ŞEN   +3 more
doaj   +1 more source

Effect of Different Cooling Rates on Embryo Survivability and Pregnancy Rates in Freezing Sheep Embryos

open access: yesİstanbul Üniversitesi Veteriner Fakültesi Dergisi, 2016
Çalışmanın ilk bölümünde, mezbahadan sağlanan ovaryumlardan kazanılan oositler (n=2990) olgunlaştırma medyumu içerisinde 24 saat süreyle olgunlaştırıldı. Ardından, 20 saat süreyle İn Vitro Fertilizasyona (İVF) bırakıldılar. Yarıklanma gösteren embriyolar
Elif KARAMAN ÖZTÜRK   +5 more
doaj   +1 more source

Effects of melatonin addition to the cold storage medium on cumulus oocyte complex apoptosis, viability and in vitro maturation rates of cat oocytes [PDF]

open access: yesKafkas Universitesi Veteriner Fakültesi Dergisi, 2022
Usage of oocytes obtained from ovaries aft er long-term cold storage for in vitro embryo production is a promising tool for the protection of wildlife and endangered animal species. Mammalian oocytes are susceptible to oxidative stress with regard to the
Ramazan ARICI   +13 more
doaj   +1 more source

The effects of type III antifreeze protein and human heat shock protein 70 added to the vitrification medium of mouse embryos on in vitro embryonic development rates

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2022
The effect of antifreeze protein type III (AFPIII) and human heat shock protein 70 (HHSP70), added to the vitrification medium of mouse embryos, on post-freeze/thaw in vitro embryonic growth rates and cell numbers were investigated.
Mustafa Bodu, Mehmet Bozkurt Ataman
doaj   +1 more source

The effect of intrauterine infusion of carvacrol after insemination on conception rate in repeat breeder cows subjected to progesteron based estrus synchronization protocol [PDF]

open access: yesKafkas Universitesi Veteriner Fakültesi Dergisi, 2019
Repeat breeder (RB) is one of the crucial causes of economic loss in dairy cows. The aim of this study was to determine the effects of intrauterine carvacrol administration after timed artificial insemination (TAI) on the conception rate (CR) in RB cows.
Necdet Cankat LEHİMCİOĞLU   +3 more
doaj   +1 more source

The use of infrared thermography to detect the stages of estrus cycle and ovulation time in anatolian shepherd dogs

open access: yesJournal of Animal Science and Technology, 2017
Background The aim of the study is to evaluate the effectiveness of thermographic monitoring, using the temperature changes of perianal and perivulvar areas for the determination of estrus in Anatolian Shepherd bitches.
Kemal Tuna Olğaç   +4 more
doaj   +1 more source

Precursor A-Kinase Anchor Protein 4 as a Predictive Biomarker of Post-Thaw Semen Quality in Goats

open access: yesVeterinary Sciences
The evaluation of sperm proteins has emerged as a promising approach to predicting semen quality across animal species. This study investigated the relationship between post-thaw concentrations of precursor A-kinase anchor protein 4 (proAKAP4) and ...
Ahmet Eser   +6 more
doaj   +1 more source

Impact of travel by walk and road on testicular hormones, oxidants, traces minerals, and acute phase response biomarkers of dromedary camels

open access: yesHeliyon, 2021
This study aimed to compare the effect of truck transport and walk travel on testicular hormones, oxidants, antioxidants and acute-phase responses of camels’ walked from Sudan to the Egyptian quarantine and were transported from the quarantine to the ...
Ragab H. Mohamed   +3 more
doaj   +1 more source

Artificial interspecific hybridization between Macrobrachium species [PDF]

open access: yes, 2004
Viable F-1 hybrids were obtained from crosses of female Macrobrachium nipponense and male Macrobrachium hainanense involving spermatophore transfer and artificial insemination.
Fu, HT   +5 more
core   +1 more source

Home - About - Disclaimer - Privacy