Articles | Volume 64, issue 1
Arch. Anim. Breed., 64, 83–89, 2021
https://doi.org/10.5194/aab-64-83-2021
Arch. Anim. Breed., 64, 83–89, 2021
https://doi.org/10.5194/aab-64-83-2021

Original study 23 Feb 2021

Original study | 23 Feb 2021

Determining the factors affecting the gestational length in sheep

Hilal Tozlu Celik et al.

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Subject: Animal husbandry | Animal: Sheep
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Cited articles

Ahmad, S. and Khan, M. S.: Gestation length of Kari sheep, Nat. Preced., 3, 1–10, https://doi.org/10.1038/npre.2008.1620.1, 2008. 
Akcapınar, H., Unal, N., Atasoy, F., Ozbeyaz, C., and Aytac, M.: Adaptation capability of Karayaka and Bafra (Chios x Karayaka B1) genotypes reared in Lalahan Livestock Research conditions, J. of Lalahan Livestock Research Institute, 42, 11–24, 2002. 
Asmad, K., Kenyon, P. R., Pain, S. J., Perera, K. C., Parkinson, T. J., Lopez-Villalobos, N., and Blair, H. T.: Effects of dam size and nutrition during pregnancy on fetal ovarian development of their offspring in sheep, Livest. Sci., 18, 256–262, https://doi.org/10.1016/j.livsci.2015.09.001, 2015. 
Ates, C. T., Arslan, M., and Yılmaz, O.: The effects of some factors on birth weight, survival rate and litter size pregnancy period in Morkaraman and Morkaraman x Dorset Down cross-breed lambs (F1), Turk. J. Vet. Anim. Sci., 27, 1311–1318, 2003. 
Atti, N., Thériez, M., and Abdennebi, L.: Relationship between ewe body condition at mating and reproductive performance in the fat-tailed Barbarine breed, Anim. Res., 50, 135–144, https://doi.org/10.1051/animres: 2001121, 2001. 
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Short summary
This research aimed to determine the effects of body weight, the body condition score (BCS), body measurements, birth type, birth weight and sex on the gestational length in sheep. The lowest and highest gestational lengths were found to be 148.90 and 151.41 d respectively. It is thought that the use of the BCS, which is easily applied by the breeder, will have a positive effect on determining the bodily reserves of sheep and the reproductive efficiency as well as on obtaining healthy lambs.