Browsing by Author "Gülyüz, F."

Now showing 1 - 5 of 5

Collection of Semen From Van Cats Using Electroejaculation and Freezing of Semen
(Mehria Publishers, 2018) Belhan, S.; Gülyüz, F.
In this study, the aim was to collect semen from Van Cats using electroejaculation, to perform spermatologic examinations and to freeze the semen. In the research, 7 Male Van Cats were used. Semen was collected from cats at 10 different times at weekly intervals using electroejaculation with general anesthesia. The semen was diluted with 3 diluents (3% Equiex, 6% Equiex, Biosfos). Motility and vitality values were analyzed. Then the semen was frozen in liquid nitrogen vapor. The semen dissolved was analyzed for motility and vitality values. In the study, amount of semen, sperm motility, dead sperm, sperm concentration, total abnormal sperm, stimulation time and stimulation count were found to be 91.92±21.49 μl, %67.42±4.94, %23.91±8.59, 109.20±66.12x106/ml, %25.57±4.57, 83.08±4.57 sec and 10.35±0.56, respectively. After dissolution, motility and vitality values were found to be, respectively, 45.79±5.49% and 53.57±6.03% with 3% Equiex diluent, 41.78±5.71% and 52.64±6.35% with 6% Equiex diluent, 40.00±5.45% and 51.50±6.72% with Biosfos diluent. After the dissolution, abnormal sperm rates related to the head, middle piece and tail were 3.74±0.91%, 13.62±2.63%, 21.91±4.03%, respectively. In conclusion, approximately 43% motility achieved with the freezing and dissolution of the semen suggests that the semen of Van Cat can be frozen with 43% success. © 2018 IJVS. All rights reserved.
The Effects of Gnrh Injection After Intravaginal Sponge, Cidr-G and Ear Implant Application in Coloured Mohair Goats During Early Anoestrus Season
(KAFKAS UNIVERSITY, 2009) Uslu, B.A.; Gülyüz, F.
In the present, in the Colored Mohair Goats, during anoestrus season, vaginal sponge, CIDR-G and ear implants used to stimulate oestrus and additionally GnRH injection. In this study 57 female and 12 male coloured mohair goats aged between 2-4 year old were used. The goats were divided randomly into three equal groups. To the 1st group (n=19), 30 mg Flourogestone acetate (FGA) containing sponge applied for intravaginally for 14 days. The day sponges removed, 300 IU eCG were applied. To the 2nd group (n=19), 0.3 g P4 containing implants (CIDR-G) were applied for intravaginally for 13 days. The day implants removed, 300 IU eCG were injected. To the 3th group (n=19), the day implants applied, 5 mg oestradiol valerate and 3 mg norgestomet were injected intramuscularly and 3 mg ear implant were applied during 10 days. The day implants removed, 300 IU eCG were injected. Goats in group I, II and III showing oestrus symptoms were divided into 2 subgroups. Twelve days after mating 1 ml GnRH (25 mg Lesireline acetate) (group IA, group IIA, group IIIA) and other groups 1 ml serum phsiologic (group IB, group IIB, group IIIB) were injected. Pregnancy ratios in group IA were 60%, group IB 25%, group IIA 80%, group IIB 25%, and group IIIA 33.33%. On the other hand, in group IIIB no pregnancy were observed. GnRH injected 10 goats in group IA, 6 of them 10 goats in group IIA, 8 of them, 9 goats in group III, 3 of them were observed to be pregnant. As a result, at early oestrus season stimulation of oestrus by three different method were effective in coloured mohair goats, vaginal sponges containing FGA and P4 containing CIDR-G cause to develope oestrus early. FGA containing vaginal sponge, P4 containing CIDR-G and norgestomet containing crestar ear implant application and 12 days these aplication, GnRH injection had a positive effect on pregnancy rate.
The Effects of Pregnancy, Early Lactation Weeks and the Number of Suckling Kittens on the Serum Mineral and Metabolite Profiles of Van Cats in Breeding Season
(Veteriner Fakultesi Dergisi, 2012) Uslu, B.A.; Şendaǧ, S.; Uçar, Ö.; Gülyüz, F.; Taşal, I.; Çetin, N.; Wehrend, A.
In Van cats, changes in serum mineral (Na-Sodium, K-Potassium, Ca-Calcium, P-Phosphorus, Mg-Magnesium, Cl-Chlorine and Fe-Iron) and metabolite concentrations (TG-Triglycerides, COL-Cholesterol, T.Prot.-Total protein and ALP-Alkaline phosphatase) were investigated before, during and after the pregnancy. A total of 22 mature cats (19 queens and 3 fertility-proven tomcats) were used as material. Thereafter, 13 queens showed oestrus while others (n=6) did not. Samples of venous blood were collected from anoestrous and oestrous queens upon hand-mating, on the 54th day. After parturition (n=7), the number of live kittens was recorded and additional samples were collected on the 5th, 12th and 19th days of lactation. Results were also considered for small (n=3) and large number (n=4) of suckling kittens (≤4 or >4 litters, resp.). For minerals, there was a significant (P<0.01) fluctuation in K levels during the prolonged lactation with large number of suckling kittens. However, significant (P<0.05) decrease was found for P value as the lactation period prolonged. Meanwhile, for metabolites, TG levels in previously-mated queens (becoming pregnant or not) were significantly (P<0.01) higher than those both in anoestrus and in lactation. Also, COL levels in pregnant queens were significantly (P<0.05) higher than those in all other occasions and further that there were significant decreases in COL levels both in the first and the second weeks of lactation. Collectively, present findings suggest that; a) the concentrations of K and P minerals and metabolites studied per se (TG, COL, T.Prot. and ALP) changed markedly during the late pregnancy and prolonged lactation, and b) declines in minerals (P) and metabolites (COL) become even greater when the number of suckling kittens increased in queen Van cats during breeding season.
Induction of Oestrus With Single or Split Ecg Administrations in Turkish Van Cats During the Non-Breeding Season
(Veteriner Fakultesi Dergisi, 2012) Uslu, B.A.; Gülyüz, F.; Uçar, O.
Effects of equine chrionic gonadotrophin (eCG) upon reproductive traits of Van cats during the non-breeding season were investigated herein. In the non-breeding season (October), a total of 18 queens were divided equally into three experimental groups, as follows: one ml of 0.9% saline solution, as single placebo injection (intramuscularly, i.m.) was given to queens, as control (Group I, n=6), while single (250 IU, i.m.) or split dose of eCG (75 IU/daily for 5 d) was injected in Group II and III (n=6 each), respectively. Data from the rates of oestrus, days of mating, pregnancy, parturition, litter size, survival of kittens and lactation period were recorded. The oestrus rates (100% both) in Groups II and III were significantly (P<0.01) higher than those in controls (33.3±21.1%). Days of mating (9.0±1.0, 4.7±0.7 and 5.8±0.4 d) were significantly (P≤0.01) different between the groups (Group I, II and III, resp.). Pregnancy period (65.8±0.5 d) was significantly (P<0.05) longer in Group III ((65.8±1.0 d) than in Group II (62.4±1.0 d) and controls (62.5±0.5 d). The litter size tended (p=0.062) to be higher in Group II (4.6) than those in Group III (2.6) and controls (3.0). Finally, the lactation period (105.2±2.6 d) was significantly (P<0.05) longer in Group III than those in Group II (94.6±1.7 d) and controls (95.0±5.0 d). Findings suggest that; both single and split eCG injections were equally highly effective for induction of fertile oestrus in endemic Van cats in non-breeding season.
Uzun Süre Uygulanan Röntgen (X-ray) Işınlarının Tavşanlarda Plazma Östrojen Seviyesi ve Ovaryum Üzerine Etkisi
(1999) Belge, A.; Gülyüz, F.; Gülbahar, M.y.; Taşal, İ; Yiğit, M Furkan
-