منابع مشابه
Effect of heparin on in vitro capacitation of boar sperm.
Chlortetracycline (CTC) fluorescent pattern, the ability to undergo acrosome reaction (AR) upon exposure to 10 microM calcium ionophore A23187 and vitality estimation were used to investigate the effect of the sulfated glycosaminoglycan heparin on the in vitro capacitation of porcine spermatozoa. Sperm incubation in capacitating medium (CM) supplemented with 10 mM heparin for up to 120 min, sho...
متن کاملEffect of estrogens on boar sperm capacitation in vitro
BACKGROUND Mammalian sperm must undergo a series of controlled molecular processes in the female reproductive tract called capacitation before they are capable of penetrating and fertilizing the egg. Capacitation, as a complex biological process, is influenced by many molecular factors, among which steroidal hormone estrogens play their role. Estrogens, present in a high concentration in the fe...
متن کاملeffect of oral presentation on development of l2 learners grammar
this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
15 صفحه اولCytoplasmic droplets on boar sperm cells
any veterinarians and AI stud managers have inquired about the significance of cytoplasmic droplets on boar sperm cells. I currently advocate using ejaculates for artificial insemination (AI) which have fewer than 20% morphologically abnormal sperm, with no more than 15% attributable to cytoplasmic droplets. There is, however, little published research on cytoplasmic droplets and their effect o...
متن کاملEffEct of brEEding sEason on thE kinEmatic paramEtErs and morphology of ram’ spErm from synthEtic population bulgarian milk
AbADjievA, D., M. Chervenkov, r. StefAnov, n. MetoDiev, e. kiStAnovA, D. kAChevA and e. rAyChevA, 2014. effect of breeding season on the kinematic parameters and morphology of ram’ sperm from synthetic population bulgarian milk sheep breed. Bulg. J. Agric. Sci., 20: 967-972 the aim of this study was the investigation of the breeding season effect on the kinematic and main spermatological parame...
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ژورنال
عنوان ژورنال: Journal of Central European Agriculture
سال: 2010
ISSN: 1332-9049
DOI: 10.5513/jcea01/11.4.866