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Articles by Feyzi Ugur
Total Records ( 5 ) for Feyzi Ugur
  Feyzi Ugur , Mine Dosay Akbulut and Mete Yanar
  With this study, it was aimed to form a breeding schedule, suggesting to weaning the calves at 35 days age and at the most suitable live weight. Brown Swiss calves weaned at 35 days age were separated into three groups. Calf groups which gained 10-20, 21-29 and 30-50% live weight based on birth weight at weaning time were named as G1, G2 and G3, respectively. The average weight gain of the groups between birth and weaning periods, were obtained as 15.21.9, 25.92.4 and 40.31.9%, respectively (p = 0.00). The effects of the groups on daily weight gains in the periods between birth and 6 months were found insignificant (p = 0.11). Similarly, the effect of the groups on total gains in body measurements in the periods between weaning and four months were also found insignificant. As a result, the growth performance of the Brown Swiss, weaned with gaining averagely 15.2, 25.9 and 40.3% weight compare to their birth weight, at 35 days age, were found similar.
  Feyzi Ugur , Ali Karabayir , Habibe Bagci and Iskender Cagras
  The study was undertaken to compare the performance of Holstein calves fed with milk once and twice a day in terms of weight and body measurements. Calves stayed with their mothers for 3 days after parturition. The calves were then transferred to individual pens and fed. The animals were allocated to 2 groups. The calves in the first group were fed with 7% milk of their birth weight until weaning. Milk was given once a day at 08:00 in the morning. The calves in the second group were also fed with 7% milk of their birth weight but received the milk in 2 meals, at 08:00 and 18:00 until weaning. The animals in both the groups were weaned at 60 days of age. The effect of application of 2 different feeding frequencies with milk on the growth characteristics of the calves was found insignificant. The average weigth of 4 month old calves and the mean daily weight gains at the period between the birth and 4 months of age for the first group were 80.81.8 and 0.340.01 kg and for the second group were 84.71.8 and 0.370.01 kg, respectively (p>0.05). Body measurements, such as heart girth, body lenght, height at withers, chest depth and front shank circumference were not significantly influenced by the groups.
  Recep Aydin , Mete Yanar , Olcay Guler , Sadrettin Yuksel , Feyzi Ugur and Leyla Turgut
  The study was carried out to determine the effect of environmental factors on milkability traits and to estimate genetic parameters and relationships among milk yields, milk flow rate (MFR) and milking time (MT) of Brown Swiss cows reared in Eastern Region of Turkey. The data used in this study consisted of 2051 observations of milking time and milking flow rate on 315 lactations of 163 cows. The averages for MFR, MT and total test day milk yield (TTDMY) were 0.972 kg min 1, 5.46 min and 11.35 kg, respectively. Stage of lactation and parity had significant (p<0.01) effect on the MFR, MT and TTDMY. Multiparous cows had higher MT and TTDMY (p<0.01) than primiparous cows. Calving season only significantly (p<0.01) affected on TTDMY. The heritability estimates for MFR, MT and TTDMY were 0.37, 0.37 and 0.21, respectively. The positive genetic correlations of MFR with actual milk yield, 305 days milk yield, TTDMY were 0.423, 0.585 and 0.735, respectively, while negative genetic correlations between MT and milk yield traits were calculated. The higher heritability values for MFR and MT suggested that selection of a good milkability seems to be promising and genetic improvement in MFR and MT might be achieved through selection for milk production.
  Feyzi Ugur , Habibe Bagci and Ali Karabayir
  Hoistein- Friesian calves were divided into two groups. After weaning, the calves in the first group were fed with 2 kg/day and the calves in the second group were fed with 3 kg/ day concentrate feed. The results showed that the effect of different various of concentrate feed application was insignificant on growth characteristics of calves. The average weight of six month-old calves, and mean daily weight gains at the period between the birth and six-months of age for the first group were 113.8 ± 4.72 and 0.42 ± 0.04 kg, and for the second group were 123.9 ± 4.72 and 0.48 ± 0.04 kg, respectively. Between birth and 6 months old ages, grains in body measurements, such as hear girth, body length, height at withers, chest depth and front shank circumference were not significantly influenced by groups of concentrate feed. Moreover, there were no problems associated with mortality in reared calves.
  Feyzi Ugur
  Effects of 6 different calving intervals on the milk yield traits of Holstein–Friesian cattle were investigated. The intervals were 325 days and below (1), 326-345 (2), 346-375 (3), 376-400 (4), 401-450 (5) and 450 days and above (6). Maximum 305- day milk yield, average daily milk yield and actual milk yield were obtained on the 6th group and the longest lactation length was obtained on 4th calving interval group. Averages of the 305-day milk yield, actual milk yield and average daily milk yield obtained from 2nd group was higher than 3rd, 4th and 5th calving interval groups. The effect of the groups on 305 - day milk yield, actual milk yield, average daily milk yield and lactation length was found statistically insignificant. The correlation coefficient between calving interval and 305-days milk yield was 0.18. R2 originated from calving interval was 3.2% for 305-day milk yield. In conclusion, these result, indicated that the 326–345 days length on calving intervals did not have any negative effect on milk production traits of Holstein Friesian cattle.
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