Year 2020, Volume 23 , Issue 5, Pages 1386 - 1392 2020-10-31

Yavruların Yaşı ve Cinsiyetinin Safkan Kısrakların Gebelik Uzunluğu Üzerine Etkileri
Effects of Age and Sex of The Foal on The Gestation Length of Thoroughbred Mares

Milena MİLOJEVİC [1] , Mitrovic STRETEN [2] , Tugay AYAŞAN [3] , Tatjana ZDRALİC [4] , Vladan DJERMANOVİC [5]


Bu çalışmanın amacı, kısrak yaşı ve tay cinsiyetinin safkan kısrakların gebelik süreleri üzerine etkilerini saptamaktır. Çalışma, Sırbistan'da bulunan Ljubičevo adlı bir damızlık çiftliğinde yetiştirilen ve aktif olarak kullanılan safkan atlar içerisinde pedigri kayıtı bulunan altı aygır (ortalama 10.25 yaş) ve 34 kısrak (ortalama 10.51 yaş) ile yürütülmüştür. Morfolojik beden ölçüleri canlı ağırlık 473.10 kg), omuz yüksekliği (159.55 cm), beden uzunluğu (160.54 cm), göğüs çevresi (188.00 cm) ve tibia çevresi (19.21 cm) olarak hesaplanmıştır. Ortalama gebelik süresi 336.57 gün olarak bulunmuş olup erkek tay taşıyan kısrakların gebelik süresi (337.70 gün), dişi tay taşıyan kısraklara (335.80 gün) göre biraz daha uzun saptanmıştır. Kısrak yaşı ile gebelik süresi arasında zayıf pozitif korelasyon (rp = 0.321) gözlenmiştir. Ayrıca erkek taylar sözkonusu olduğunda, kısrak yaşı ile gebelik uzunluğu arasında orta bir korelasyon (rp = 0.444); dişi taylar söz konusu olduğunda ise çok zayıf bir korelasyon (rp = 0.210) gözlenmiştir. 

The purpose of this study was to determine the effects of age and sex of the foal on the gestation length of thoroughbred mares. The study covered six stallions (of average age of 10.25 years) and 34 mares (of average age of 10.51 years) with descent records (pedigree), English Thoroughbred horses raised and actively used for breeding at a study farm called Ljubičevo, located in Serbia. The following average morphological body measures were established: body weight (473.10 kg), withers height (159.55 cm), body length (160.54 cm), chest circumference (188.00 cm), and tibia circumference (19.21 cm) were found to be within the scope of standard measures for this breed and particular ages e.g. 9 to 15. The average gestation length, regardless of the sex of the foal, was 336.57 days. The gestation of mares carrying male foals was somewhat longer (337.70 days) than of mares carrying female foals (335.80 days). The difference (1.90 days) in gestation length was not statistically significant (P>0.05). A weak positive correlation (rp=0.321) was observed between the age of the mare and the gestation length (regardless of foal sex). Additionally, a medium correlation (rp=0.444) was observed between the mare's age and the gestation length in the case of male foals, and a very weak correlation (rp=0.210) in the case of female foals.

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Primary Language en
Subjects Agriculture
Journal Section RESEARCH ARTICLE
Authors

Orcid: 0000-0001-6997-1532
Author: Milena MİLOJEVİC
Institution: Biotechnology 'Faculty of Agriculture University of Belgrade
Country: Serbia


Orcid: 0000-0002-1453-5626
Author: Mitrovic STRETEN
Institution: Biotechnology 'Faculty of Agriculture University of Belgrade Republic of Serbia
Country: Serbia


Orcid: 0000-0001-7397-6483
Author: Tugay AYAŞAN (Primary Author)
Institution: OSMANİYE KORKUT ATA ÜNİVERSİTESİ, KADİRLİ UYGULAMALI BİLİMLER YÜKSEKOKULU
Country: Turkey


Orcid: 0000-0001-6737-5155
Author: Tatjana ZDRALİC
Institution: University of East Sarajevo | UES · Department of Animal Production and Veterinary Medicine
Country: Bosnia and Herzegovina


Orcid: 0000-0001-6748-5442
Author: Vladan DJERMANOVİC
Institution: University of Belgrade · Faculty of Agriculture
Country: Serbia


Dates

Application Date : February 22, 2020
Acceptance Date : April 17, 2020
Publication Date : October 31, 2020

APA Mi̇lojevi̇c, M , Streten, M , Ayaşan, T , Zdrali̇c, T , Djermanovi̇c, V . (2020). Effects of Age and Sex of The Foal on The Gestation Length of Thoroughbred Mares . Kahramanmaraş Sütçü İmam Üniversitesi Tarım ve Doğa Dergisi , 23 (5) , 1386-1392 . DOI: 10.18016/ksutarimdoga.vi.692961