Umut Cagin Ari

9 Questions 47 Answers 0 Followers

Questions related from Umut Cagin Ari

Can you share your experience about Cryotop vitrification of embryos?

I want to use Cryotop technique for embryo vitrification. Did you have any experience about this issue? I know that Kitazato has commercial kits for this aim. Have you used this product? Or can we...

17 March 2015 6,390 9 View

Do you have any experience with ultrasonografic imagination of follicular dynamics in goat?

I have some experience in follicular dynamic in cattle. I want to work on follicular dynamic in goat. Do you have any experience on it? Which kind of probe I have to use for follicular...

11 January 2015 6,253 10 View

Can you share which kind of separation technique you prefer for ovine, caprine and bovine semen for in vitro fertilization ?

I have experienced that swim up technique for sperm separation during IVF in ovine was not suitable for ovine sperm? So I had to use percoll gradient (90 and 45%) for ovine sperm separation,...

21 December 2014 7,061 8 View

Why does the use of hCG instead of second GnRH in Cosynch detrimentally affect pregnancy rates in cows?

We designed a study about usage of hCG instead of GnRH. Our pregnancy rates (PR) were very low compared with GnRH. In my opinion, hCG instead of GnRH in Cosynch induces ovulation without...

09 December 2014 3,513 6 View

Is any addition to IVM medium to induce to maturation of oocytes necessary?

Do you have any knowledge about only basic medium usage for IVM? Because it is well known that the factor, called oocyte maturation inhibiting (OMI) factor prevent nuclear maturation of oocyte in...

20 November 2014 8,422 9 View

Do you have any experience with cummulus expansion and nuclear maturation in IVM? Also, do you have any experience on aceto-orcein staining for IVM?

I know that there is a correlation between cumulus expention of Cumulus Oocyte Complexes (COCs) and nuclear maturation of oocyte in in vitro maturation (IVM). However, it is well known that...

03 November 2014 7,555 10 View

I want to exactly find out logic of Ovsynh protocol in Cattle. Can you share your experience or knowledge about Ovsynch?

In Ovsynch synchronisation protocol, you use GnRH on day 0, PGF on day 7 and GnRH on day 9. It is clear that you want to induce ovulation on day 0 or day 9 GnRH administration. If there is not any...

26 October 2014 7,238 14 View

Will anyone share their experiences about goat semen cryopreservation?

We have carried out a study about goat semen cryopreservation through the year (including breeding and non-breeding season, I mean). We have 10 adult male goats from two different breeds and they...

13 October 2014 8,586 6 View

Relation between Vacination and Success of Artificial Insemination

Do you know any relation between vaccination time and success of artificial insemination in cattle? I mean is there any correlation between vaccination and early fetal loss? Some researchers say...

06 October 2014 8,652 8 View