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Effects of Some Environmental Factors on Birth Weight of Anatolian Buffalo Calves
2018
Ertugrul Kul | Gökhan Filik | Aziz Şahin | Hayrettin Çayıroğlu | Emre Uğurlutepe | Hüseyin Erdem
This study was conducted to determine the effects of some environmental factors on birth weight (BW) in Anatolian Buffalo calves born in the scope of the project of improvement of Anatolian Buffalo in public hand supported by General Directorate of Agricultural Research and Policies reared in Amasya province of Turkey. A total of 228 heads calves born between 2014 and 2015 were constituted the study material. Sex of calf, maternal age, birth season and location were assessed as affecting factors on BW. The data were analyzed using the SPSS statistical package program. Average BW was determined as 29.3 ± 0.43 kg. The effects of calf sex, maternal age and birth season on BW were detected to be statistically significant. The average BW of the male calves (32.2 ± 0.57 kg) was found to be higher than those of the female calves (26.0 ± 0.50 kg). BW of calves born in autumn had the lowest value. In addition, BW was tented to increase with advanced maternal age.
显示更多 [+] 显示较少 [-]The Effects of Some Environmental Factors on Birth Weight and Estimation of Heritability and Repeatability for Birth Weight of Akkaraman Sheep in Konya Province
2018
Ayhan Öztürk | Şükrü Doğan | Uğur Zülkadir | Halil Kayar
In this research, the effects of dam age and type of birth and sex of lambs on birth weight of Akkaraman lambs was investigated at village conditions in Konya province. Additionally, the heritability and repeatability of birth weight was estimated. The Least-squares means of birth weight was 4.07±0.04 kg. The effects of dam age, year, birth type and sex on birth weight were found statistically significant. The heritability and repeatability of birth weight were found as 0.052±0.04 and 0.130±0.04, respectively.
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