Doç. Dr. Davut Koca

Yayın Ağı

Makaleler 43

1. Prevalence of Subclinical Pregnancy Toxemia and its Effect on Metabolic Profile of Ewes: A Field Study

Irmak M., Turgut A. O., Eroğlu M., Koca D., İrak K., Keskin İ. H., et al.

TURKISH JOURNAL OF AGRICULTURE: FOOD SCIENCE AND TECHNOLOGY , cilt.13, sa.10, ss.3048-3052, 2025 (TRDizin)

2. Association of DGAT1 and POU1F1 Gene Polymorphisms With the Milk Traits in the Cross-Bred Hamdani Sheep Bred Under Extensive Management

Turgut A. O., Koca D., Eroğlu M.

Veterinary Medicine and Science , cilt.11, sa.5, 2025 (SCI-Expanded, Scopus)

3. The Elecsys AMH Assay Is a Suitable Method to Detect Gonadal Tissue in Male Alpacas and Llamas.

Sendag S., Wagner H., Turgut A. O., Koca D., Schuler G., Wehrend A.

Veterinary medicine and science , cilt.11, sa.5, 2025 (SCI-Expanded, Scopus)

4. The Role of Anti-Müllerian Hormone in Van Cats in Relation to Sex and Reproductive Status

Yıldız M., Koca D., Kilic Yildiz B. N., Isik M., Turgut A. O., Çetin Y.

Veterinary Medicine and Science , cilt.11, sa.4, 2025 (SCI-Expanded, Scopus)

5. The Negative Effects of Subclinical Pregnancy Toxaemia on Fetal Skeletal Muscle Development and Evaluation of the Protective Effects of Dietary l-Carnitine Supplementation in Sheep.

Turgut A. O., Kandil B., Bilen E. K., Koca D., Ünver A., İşbilir F., et al.

Reproduction in domestic animals = Zuchthygiene , cilt.60, sa.6, 2025 (SCI-Expanded, Scopus)

6. Subclinical Pregnancy Toxemia Affects Blood Parameters of Ewes and Impairs Postnatal Growth and Development of Lambs.

Turgut A. O., Küçük M., Irmak M., Özcan C., Koca D., Gülendağ E., et al.

Veterinary medicine and science , cilt.11, sa.3, 2025 (SCI-Expanded, Scopus)

7. Methods for Evaluating Testicular Function in Domestic Cats.

Homola S., Sendag S., Koca D., Wehrend A.

Reproduction in domestic animals = Zuchthygiene , cilt.60, sa.3, 2025 (SCI-Expanded, Scopus)

8. Anti-Müllerian Hormone Concentrations Can Be Reliably Determined by a Single Measurement, Irrespective of Cycle, in Synchronised Ewes During Non-Breeding Season.

Çetin N., Koca D.

Reproduction in domestic animals = Zuchthygiene , cilt.60, sa.2, 2025 (SCI-Expanded, Scopus)

9. Investigation of maternal mortality and stillbirth in feline dystocia after emergency obstetric care interventions: a retrospective analysis.

Sendag S., Hardegen D., Koca D., Wehrend A.

Journal of feline medicine and surgery , cilt.27, sa.2, 2025 (SCI-Expanded, Scopus)

10. Comparison of serum biochemical parameters in ketotic and healthy Siirt Colored Mohair goats during early lactation to identify potential Biomarkers of lactation ketosis Comparación de parámetros bioquímicos séricos en cabras de mohair de color Siirt con cetosis y sanas durante la lactancia temprana para identificar posibles biomarcadores de cetosis de lactancia

Irmak M., Turgut A. O., Eroğlu M., Irak K., Tufan T., Koca D., et al.

Revista Cientifica de la Facultad de Veterinaria , cilt.35, sa.3, ss.1-6, 2025 (SCI-Expanded, Scopus)

11. Comprehensive Evaluation of Changes in Placentomes in the Second and Third Trimesters of Pregnancy in Cross-Bred Hamdani Sheep.

Kandil B., Turgut A. O., Koca D., Isbilir F., Atli M. Z., Guzel B. C.

Veterinary medicine and science , cilt.11, sa.1, 2025 (SCI-Expanded, Scopus)

12. Evaluation of Placentome Morphology in the Last Two Periods of Pregnancy in Hair Goats (Capra aegagrus hircus).

İşbilir F., Kandil B., İşbilir İ., Koca D., Güzel B. C.

Reproduction in domestic animals = Zuchthygiene , cilt.59, sa.10, 2024 (SCI-Expanded, Scopus)

13. An Investigation of Polymorphism on the FASN, SCD1, and SLC27A3 Genes in Sheep

Turgut A. O., Gülendağ E., Küçük M., Koca D., Ayan A., Eroğlu M., et al.

TURKISH JOURNAL OF AGRICULTURE: FOOD SCIENCE AND TECHNOLOGY , cilt.12, sa.10, ss.1812-1816, 2024 (TRDizin)

14. Anti-Müllerian hormone as a promising novel biomarker for litter size in Romanov sheep.

Turgut A. O., Koca D.

Reproduction in domestic animals = Zuchthygiene , cilt.59, sa.8, 2024 (SCI-Expanded, Scopus)

15. Incidence of some reproductive problems following a voluntary waiting period in cows on family-type cattle breeding farms in Van province

Çetin N., Koca D.

Journal of advances in vetbio science and techniques , cilt.9, ss.107-114, 2024 (TRDizin)

16. The Effects of Oral Progestagen Administration on the Fertility of Synchronized Goats During the Breeding Season

Çetin N., Kuru M., Koca D., Eşki F., Uslu B. A., Şendağ S., et al.

Van Veterinary Journal , cilt.35, sa.32, ss.132-137, 2024 (Hakemli Dergi)

17. The effects of supplementation of vitamin D to the egg-yolk extender on cryopreservation of ram semen.

Aktar A., Toker M. B., Koca D., Uzun U. C., Alcay S.

Veterinary medicine and science , cilt.10, sa.4, 2024 (SCI-Expanded, Scopus)

18. Elecsys(®) AMH assay: Determination of Anti-Müllerian hormone levels and evaluation of the relationship between superovulation response in Holstein dairy cows.

Koca D., Aktar A., Turgut A. O., Sagirkaya H., Alcay S.

Veterinary medicine and science , cilt.10, sa.4, 2024 (SCI-Expanded, Scopus)

19. Oestrogen and progesterone concentrations in intrapartum cows with insufficient cervix dilation

Sendag S., Koca D., Arslan T., Schuler G., Wehrend A.

Reproduction in Domestic Animals , cilt.59, sa.6, 2024 (SCI-Expanded, Scopus)

20. Investigation of efficacy of two different chemotherapy protocols used in neoadjuvant chemotherapy in clinical stages II-IV canine malignant mammary tumours.

Kuruoglu F. E., Ekici Z. M., Nak D., Ozyigit M. O., Kupeli Z. A., Koca D.

Veterinary and comparative oncology , cilt.22, ss.284-294, 2024 (SCI-Expanded, Scopus)

21. Comparison of blood ΒHBA measurement devices for diagnosis of subclinical pregnancy toxaemia in sheep: A field study.

Turgut A. O., Koca D., Ünver A.

Reproduction in domestic animals = Zuchthygiene , cilt.59, sa.5, 2024 (SCI-Expanded, Scopus)

22. The effects of case/control ratio and sample size on genome-wide association studies: A simulation study.

Turgut A. O., Koca D.

Veterinary medicine and science , cilt.10, sa.3, 2024 (SCI-Expanded, Scopus)

23. PAEP gene restriction fragment length polymorphism and its effects on milk composition in cross-bred Hamdani sheep

Turgut A. O., Gülendağ E., Koca D., Üner S.

Journal of advances in vetbio science and techniques , cilt.9, sa.1, ss.35-41, 2024 (Hakemli Dergi)

24. Melatonin Receptor 1A (MTNR1A) Gene Polymorphism in Cross-Bred Hamdani Sheep: A Preliminary Study

Turgut A. O., Koca D.

ISPEC Journal of Agricultural Sciences , cilt.8, sa.1, ss.127-133, 2024 (TRDizin)

25. Serum Anti-Müllerian Hormone Levels during Estrus and Diestrus Phases of the Estrous Cycle and its Possible Effect on Fertility in Cross-bred Hamdani Sheep

Koca D., Turgut A. O.

PAKISTAN VETERINARY JOURNAL , sa.0253-8318, ss.1-6, 2024 (SCI-Expanded)

26. Anti-Müllerian hormone: A novel biomarker for detecting bovine freemartinism.

Koca D., Nak Y., Sendag S., Nak D., Turgut A. O., Avcılar T., et al.

Reproduction in domestic animals = Zuchthygiene , cilt.59, sa.2, 2024 (SCI-Expanded, Scopus)

27. Sex determination in budgerigars using radiographic pelvimetry.

Yilmaz O., Koca D., Sahin M. E., Avcilar T.

Veterinary medicine and science , cilt.10, sa.1, 2024 (SCI-Expanded, Scopus)

28. Molecular Survey of the Toxoplasma gondii and Neospora caninum in brain tissue of aborted fetuses of Morkaraman sheep in Muş, Türkiye

Koca D., Aslan B., Çelik Ö. Y., Ayan A., Orunç Kılınç Ö., Turgut A. O., et al.

TURKISH JOURNAL OF AGRICULTURE: FOOD SCIENCE AND TECHNOLOGY , cilt.11, ss.2407-2417, 2023 (TRDizin)

29. The Effect of Conventional Semen, Sexed-Semen, and Embryo Transfer on Pregnancy Rate in Dairy Cows

Koca D., Aktar A., Turgut A. O., Sağırkaya H., Alçay S.

Journal of research in veterinary medicine (Online) , cilt.42, sa.2, ss.99-103, 2023 (TRDizin)

30. Molecular Survey of Toxoplasma gondii Infection in Aborted Fetuses of Sheep in the Iğdır Province of Türkiye

Koca D., Orunç Kılınç Ö., Ayan A., Ertaş F., Turgut A. O., Oktay Ayan Ö.

TURKISH JOURNAL OF AGRICULTURE: FOOD SCIENCE AND TECHNOLOGY , ss.2390-2393, 2023 (TRDizin)

31. Evaluation of serum anti-Müllerian hormone concentrations following treatment with vitamin D in Holstein Friesian heifers

Koca D., Nak Y., Sendag S., Nak D., Avcılar T., Sahin M. E., et al.

Reproduction in Domestic Animals , cilt.58, sa.12, ss.1695-1701, 2023 (SCI-Expanded) Sürdürülebilir Kalkınma

32. Chemical Composition and Physical Properties of Milk in Norduz Sheep

Koca D., Turgut A. O., Çetin N., Üner S., Gülendağ E., Karagülle B.

Van Veterinary Journal , cilt.34, sa.3, ss.271-274, 2023 (TRDizin)

33. Radiographic pelvimetry in Scottish Fold cats: sex-related differences

YILMAZ O., KOCA D., AVCILAR T.

TURKISH JOURNAL OF VETERINARY AND ANIMAL SCIENCES , cilt.47, sa.5, ss.433-445, 2023 (SCI-Expanded, Scopus, TRDizin)

34. Radiographic Pelvimetry in Budgerigars with and without Egg Retention

Koca D., Yılmaz O., Şahin M. E., Avcılar T.

KAFKAS UNIVERSITESI VETERINER FAKULTESI DERGISI , cilt.29, sa.5, ss.497-504, 2023 (SCI-Expanded, Scopus, TRDizin)

35. Radiographic measures of the pelvis differ in British shorthair cats with dystocia and eutocia

Koca D., Yilmaz O., Avcilar T.

Veterinary Radiology and Ultrasound , cilt.64, sa.5, ss.798-805, 2023 (SCI-Expanded, Scopus)

36. Comparison of different resuscitation methods for newborn calves after dystocia

Homberg J., Sendag S., Koca D., Cetin N., Wehrend A.

TIERAERZTLICHE PRAXIS AUSGABE GROSSTIERE NUTZTIERE , cilt.51, sa.04, ss.202-210, 2023 (SCI-Expanded, Scopus)

37. Milk Composition Traits of Hamdani Crossbreed Sheep Raised Under Extensive Management

Koca D.

ISPEC Journal of Agricultural Sciences , cilt.7, sa.2, ss.271-279, 2023 (Hakemli Dergi)

38. Investigation of relationships between serum lactate, acute phase proteins, pro/ antiinflammatory cytokine levels, and metritis formation in Holstein dairy heifers

Avcılar T., Koca D., Nak Y., Şahin M. E., Özyiğit M. Ö., Nak D.

TURKISH JOURNAL OF VETERINARY AND ANIMAL SCIENCES , cilt.47, sa.3, ss.176-184, 2023 (SCI-Expanded)

39. Evaluation of Some Systemic Inflammatory Biomarkers in Canine Malignant Mammary Tumors

Ekıcı Z. M., Ozyıgıt M. O., Nak D., Avcı Kupelı Z., Kuruoglu F. E., Koca D., et al.

KAFKAS UNIVERSITESI VETERINER FAKULTESI DERGISI , cilt.29, sa.5, ss.513-520, 2023 (SCI-Expanded, Scopus, TRDizin)

40. Autologous Platelet Rich Plasma Have Positive Effect on Ram Spermatozoa During Cryopreservation in Non-Breeding Season

ALÇAY S., Aktar A., KOCA D., Kilic M. A., Akkasoglu M., Yilmaz M. M., et al.

KAFKAS UNIVERSITESI VETERINER FAKULTESI DERGISI , cilt.28, sa.2, ss.229-234, 2022 (SCI-Expanded, Scopus, TRDizin)

41. Positive effect of autologous platelet rich plasma on Saanen buck semen cryopreservation in non-breeding season

ALÇAY S., Aktar A., KOCA D., KILIÇ M., Akkasoglu M., SAĞIRKAYA H.

CRYOBIOLOGY , cilt.103, ss.45-48, 2021 (SCI-Expanded, Scopus)

42. Efficacy and Toxicity of Doxorubicin and Cyclophosphamide for the Neoadjuvant Treatment of Locally Advanced Stage Canine Mammary Tumors

Kuruoglu F. E., ÖZYİĞİT M. Ö., NAK D., Kupeli Z. A., Ekici Z. M., KOCA D., et al.

KAFKAS UNIVERSITESI VETERINER FAKULTESI DERGISI , cilt.26, sa.6, ss.729-734, 2020 (SCI-Expanded, Scopus, TRDizin)

43. Administration of meloxicam to cows experiencing dystocia does not increase the incidence of retained placenta

Kunz F., Koca D., Failing K., Wehrend A., Sendag S.

TIERAERZTLICHE PRAXIS AUSGABE GROSSTIERE NUTZTIERE , cilt.47, sa.5, ss.281-284, 2019 (SCI-Expanded, Scopus)

Hakemli Bilimsel Toplantılarda Yayımlanmış Bildiriler 18

1. A FIELD STUDY ON DETECTION OF SERUM ANTI-MULLERIAN HORMONE LEVELS IN CROSS-BRED HAMDANI SHEEP DURING THE NON-BREEDING SEASON

Turgut A. O., Ünver A., Koca D.

15. INTERNATIONAL CONFERENCE ON AGRICULTURE, ANIMAL SCIENCE & RURAL DEVELOPMENT, Aydın, Türkiye, 12 Temmuz - 14 Ağustos 2024, ss.18-19, (Özet Bildiri)

2. A RETROSPECTIVE FIELD STUDY ON THE DETERMINATION OF SOME REPRODUCTIVE PARAMETERS IN HOLSTEIN HEIFERS

Koca D., Yıldız M.

EGE 11th INTERNATIONAL CONFERENCE ON APPLIED SCIENCES, İzmir, Türkiye, 1 - 03 Haziran 2024, ss.102-103, (Özet Bildiri)

3. COMPARISON OF ANTI-MULLERIAN HORMONE LEVELS IN HOLSTEIN AND JERSEY HEIFERS

Koca D., Yıldız M.

12. INTERNATIONAL SUMMIT SCIENTIFIC RESEARCH CONGRESS, Gaziantep, Türkiye, 29 - 31 Mayıs 2024, ss.427-428, (Özet Bildiri)

4. THE EFFECT OF MINERAL AND VITAMIN SUPPLEMENTS ADMINISTERED IN THE LAST TRIMESTER OF PREGNANCY ON RETENTION SECUNDINARUM

Yıldız M., Koca D.

2. BİLSEL INTERNATIONAL TURABDİN SCIENTIFIC RESEARCHES AND INNOVATION CONGRESS, Mardin, Türkiye, 4 - 05 Mayıs 2024, ss.134-135, (Özet Bildiri)

5. COMPARISON OF BLOOD BHBA MEASUREMENT DEVICES FOR DIAGNOSIS OF SUBCLINICAL PREGNANCY TOXEMIA IN SHEEP: A FIELD STUDY

Turgut A. O., Koca D., Ünver A.

7th International Cukurova Agriculture and Veterinary Congress, Adana, Türkiye, 9 - 10 Mart 2024, ss.111-112, (Özet Bildiri)

6. Sonographic examination of testicular diameters in the European shorthair cat

Homola S., Şendağ S., Koca D., Wehrend A.

57. Jahrestagung Physiologie und Pathologie der Fortpflanzung, gleichzeitig 49. Vet.-Hum.med. Gemeinschaftstagung 2024, Berlin, Almanya, 28 Şubat - 01 Mart 2024, ss.11, (Özet Bildiri)

7. A case of interrupted labor in a Van cat

Yıldız M., Şendağ S., Koca D., Çetin N., Wehrend A.

57th Annual Conference of Physiology and Pathology of Reproduction and 49th Joint Conference of Veterinary and Human Reproductive Medicine, Berlin, Almanya, 28 Şubat - 01 Mart 2024, ss.26, (Özet Bildiri)

8. THE ROLE OF ANTI-MULLERIAN HORMONE AND BIOTECHNOLOGICAL TOOLS IN CATTLE REPRODUCTION

KOCA D., TURGUT A. O.

V. INTERNATIONAL HALICH CONGRESS ON MULTIDISCIPLINARY SCIENTIFIC RESEARCH, İstanbul, Türkiye, 15 Ocak 2023, (Tam Metin Bildiri)

9. THE EFFECT OF PROGESTERONE LEVEL ON PREGNANCY RATES IN HOLSTEIN RECIPIENTS COWS

Koca D., Aktar A., Alçay S., Sağırkaya H.

INTERNATIONAL Congress of Health Research, Ankara, Türkiye, 8 - 09 Aralık 2022, cilt.1, ss.199-200, (Özet Bildiri)

10. THE IMPORTANCE OF MOLECULAR GENETICS TECHNIQUES IN THE IMPROVEMENT OF REPRODUCTIVE TRAITS IN CATTLE

Turgut A. O., Koca D.

ANADOLU 11TH INTERNATIONAL CONFERENCE ON APPLIED SCIENCES, Diyarbakır, Türkiye, 29 - 30 Aralık 2022, cilt.1, ss.843-851, (Tam Metin Bildiri)

11. The role of the systemic inflammatory response in canine mammary tumors

Ekici Z. M., Özyiğit M. Ö., Nak D., Avci Küpeli Z., Kuruoğlu F. E., Koca D., et al.

International VETEXPO 2022 Veterinary Sciences Congress, İstanbul, Türkiye, 12 - 14 Mayıs 2022, ss.161, (Özet Bildiri)

12. The Effect of Embryo Transfer Location on Pregnancy Success in Heifers

Koca D., Uzun Ü. C., Alçay S.

2.Uluslararası Ege Sağlık Alanları Sempozyumu (UESAS`22), İzmir, Türkiye, 7 - 08 Mart 2022, ss.95-96, (Özet Bildiri)

13. The Effect of GnRH Application on Ovulation and Pregnancy Success at the Time of Artificial Insemination in Simmental Heifers

Koca D., Arslan K., Alçay S.

2.Uluslararası Ege Sağlık Alanları Sempozyumu (UESAS`22), İzmir, Türkiye, 7 Mart - 08 Ağustos 2022, ss.93-94, (Özet Bildiri)

14. THE EFFECT OF EMBRYO TRANSFER APPLICATION ON PREGNANCY SUCCESS IN REPEAT BREEDER SIMMENTAL HEIFERS: PRELIMINARY RESULTS

Koca D., Alçay S., Sağırkaya H.

REPUBLIC SUMMIT 5th INTERNATIONAL APPLIED SCIENCES CONGRESS, Ankara, Türkiye, 29 Ekim 2021, ss.1-2, (Özet Bildiri)

15. PREGNANCY RATES OF HEIFERS EXPOSED TO HEAT STRESS

Koca D., Alçay S., Sağırkaya H.

3. INTERNATIONAL BAKU SCIENTIFIC RESEARCH CONGRESS , Baku, Azerbaycan, 15 - 16 Ekim 2021, ss.251-252, (Tam Metin Bildiri)

16. EFFECTS OF DIFFERENT DOSES OF FSH APPLICATIONS ON SUPEROVULATION RESPONSE IN HEIFERS

Koca D., Aktar A., Alçay S.

3rd International Сukurova Agriculture andVeterinary Congress, Adana, Türkiye, 9 - 10 Ekim 2021, ss.457-468, (Tam Metin Bildiri)

17. The Effect of Beta Caroten+E Vitamin Application on Pregnancy Rates at the Time of Artificial Insemination in High Milk Yielding Cows

Koca D., Aktar A., Alçay S.

ULUSLARARASI SAĞLIK ALANLARI KONGRESİ 2021 (USAK’21), Uşak, Türkiye, 18 - 19 Eylül 2021, ss.246-250, (Tam Metin Bildiri)

18. Efficacy and toxicity of neoadjuvant doxorubicin and cyclophosphamide in dogs with locally advanced mammary tumors: Preliminary results

Kuruoğlu F. E., Özyiğit M. Ö., Nak D., Avcı Z., Mutlu Z. M., Koca D., et al.

International VETEXPO-2019 Veterinary Sciences Congress, İstanbul, Türkiye, 20 - 22 Eylül 2019, ss.116, (Özet Bildiri)

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