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Articles by Ibrahim Tapki
Total Records ( 2 ) for Ibrahim Tapki
  Ibrahim Tapki
  The objective of this study was to determine the effect of initial Body Condition Scores (BCS) on fattening performance, behavioural and physiological responses of dairy fattening steers as a thermal insulator under heat stress. Thirty six Holstein Friesian steers were allocated to three groups. For a period of 5 weeks, twice a week, the behaviour of each steer was registered for 4 h (07:00, 12:00, 18:00 and 22:00 h), recording of eating, lying, fighting, ruminating, standing, grooming and other behaviours. Steers having higher body condition score decreased feed intake (p = 0.007) and daily weight gain with poorer feed efficiency (p<0.001). The frequencies of eating, drinking, ruminating, standing, lying, grooming, fighting and other behaviours for low, moderate and high body condition scored (LBCS, MBCS and HBCS, respectively) of steers were 12.53, 11.58, 8.93 (p<0.001); 2.22, 3.31, 3.17 (p = 0.428); 11.73, 9.85, 9.20 (p = 0.023); 17.17, 16.07, 14.20 (p = 0.025); 10.77, 12.73, 17.77 (p<0.001); 3.41, 3.20, 1.71 (p = 0.003); 1.16, 2.40, 4.51 (p<0.001) and 1.01, 0.86, 0.51 (p = 0.023) min h-1, respectively. The frequencies of heart rate, respiration rates, rectal temperatures and skin temperatures were 58.82, 62.40 and 63.87 pulses min-1 (p<0.001), 42.30, 44.30 and 47.10 breaths min-1 (p<0.001), 38.10, 38.30 and 38.40°C (p = 0.246) and 32.89, 32.92 and 32.97°C (p = 0.432), respectively. In conclusion, initial body condition at fattening affects on the fattening performance, behavioural and physiological responses of steers, suggesting that (LBCS) animals were more adaptive and productive in fattening under heat stress.
  Serap Goncu Karakok , Bedriye Uslucan , Ibrahim Tapki and Gokhan Gokce
  Thirty one Holstein Friesian cows were allocated to two groups. For a period of 7 weeks, twice a week, the behavior of each cow was registered for 9 h (07:00, 09.00, 10.00, 11.00, 13:00, 14.00, 15.00, 17.00 and 19:00 h) eating, drinking, ruminating, standing, resting, locomotor and other behaviors were recorded. The frequencies of eating, drinking, ruminating, standing, resting, locomotor and other behaviors for bedding and nonbedding usage groups were 32.9 and 34.6% (p>0.05); 1.7, 2.6% (p<0.01); 20.3 and 20.5% (p>0.05); 20.5 and 28.4% (p<0.01); 14.8 and 7.9% (p<0.01); 8.5 and 4.4% (p<0.01) and 1.7 and 1.5% (p>0.05), respectively. The percentage of the eating behavior of cows of the bedding group at 9:00, 11:00, 13:00 and 17:00 observations were higher than the nonbedding group, while the other results at different observation hours show reverse results. As a result, the amount of time cows spend resting is higher in the bedding group, which is considered to significantly influence their comfort level. Resting behavior is an indicator of animal welfare and as such, this result suggests that bedding usage in loose housing systems provides a more comfortable and socially interactive environment that satisfies conditions of a more positive animal experience.
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