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STUDYING CAECOTROPHY BEHAVIOUR (COMPLETE AND CENSORED) IN THREE RABBIT BREEDS AT FOUR SEASONS USING DIFFERENT SURVIVAL TECHNIQUES
Faculty
Veterinary Medicine
Year:
2024
Type of Publication:
ZU Hosted
Pages:
Authors:
Heba Saied Abdelrahman Ghareeb
Staff Zu Site
Abstract In Staff Site
Journal:
Assiut Veterinary Medical Journal Faculty of veterinary medicine, Assuit University
Volume:
Keywords :
STUDYING CAECOTROPHY BEHAVIOUR (COMPLETE , CENSORED) , THREE
Abstract:
Studying different rabbit behaviour is helpful in the management and breeding process. Caecotrophy behaviour and the time taken by animals to do it is an important point to be taken into consideration for its major benefits for animals. Survival techniques are the suggested statistical methods to study the time taken by animals to do this behaviour. This study depended on the observation of 96 animals of (Newzealand, California and Rex) breeds at four seasons. The results showed that the median is better than the mean as a descriptive measure. The overall median of caecotrophy time of the three breeds at different seasons was 14 sec (95% CI = 5.46 – 22.54), 15.66 sec (95% CI = 9.45 – 21.87), 11 sec (95% CI = 0.43 – 21.57) and 17.66 sec (95% CI = 10.11 – 25.21) for spring, summer, autumn and winter respectively. Log-rank (Mantel-Cox) test is significant (0.027*) among the three breeds (Newzealand, Calfornia and Rex) at spring season. Also, caecotrophy survivor functions were highly significant 0.001**, 0.033* and 0.023* among the breeds of rabbits for summer, autumn and winter respectively as their P- values were less than 0.05. The -2 Log Likelihood = 272.308 (Chi-square = 14.306 with P-value = 0.003**) for cox proportional hazard model is highly significant. The significance of the model indicated fitness of this model for the prediction of the effect of predictors on caecotrophy time. Feed consumption showed a significant effect in the model and showed an increase in the probability of taking fecal matter with increasing feeding intake.
Author Related Publications
Heba Saied Abdelrahman Ghareeb, "Changes in the growth, ileal digestibility, intestinal histology, behavior, the fatty acids composition of breast muscles, and blood biochemical parameters of broiler chickens by dietary inclusion of safflower oil and vitamin C.", Publisher BioMed Central Ltd ISSN: 1746-6148, 2021
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Heba Saied Abdelrahman Ghareeb, "Effect of Cage Floor Type on Behaviour, Performance and Carcass Traits of Growing Rabbits", Zagazig Veterinary Journal,, 2016
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Heba Saied Abdelrahman Ghareeb, "Effect of feeding different concentrate roughage ratio on growth, reproductive performance and behavior of sheep", University of Ljubljana - Veterinary Faculty, 2020
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Heba Saied Abdelrahman Ghareeb, "Impact of Betaine Supplementation on the Growth Performance, Tonic Immobility, and Some Blood Chemistry of Broiler Chickens Fed Normal and Low Energy Diets During Natural Summer Stress", Zagazig University, 2018
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Heba Saied Abdelrahman Ghareeb, "Dietary Egyptian mallow attenuates metiram-evoked neuro-ethological, endoplasmic reticulum stress genes, and biochemical/histopathological disruptions in Oreochromis niloticus", Elsevier B.V., 2025
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Department Related Publications
Hisham Hosny Elsayed Mohamed, "Maintenance behavior and carcass traits of two breeds of male rabbits in response to Androgenic Steroid", University of Sadat City, 2017
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Hisham Hosny Elsayed Mohamed, "The effects of the different day times in the changes of behaviour in broilers.", University of Sadat City, 2017
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