Browsing by Author "Sulu, Nesrin"
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Item Effects of different dietary energy and protein levels on rumen ph, urea levels and rumen protozoal population in sheep(Uludağ Üniversitesi, 2011-07-08) Yıldız, Gültekin; Pişkin, İlksin; Tuncer, Şakir Doğan; Sulu, Nesrin; Yeşilbağ, Derya; Uludağ Üniversitesi/Veteriner Fakültesi.The effects of different levels of energy and protein rations on rumen fluid, pH, ammonia, urea levels, kinds and numbers of species of protozoa in sheep are examined in the present experiment. Six male, Merino sheep were utilized in a 6 X 6 Latin square design. The rations were prepared as standard protein and standard energy level /(S-Group 1); low energy (LE-Group 2); low protein (LP-Group 3); high protein (HP-Group 4); high energy (HE-Group 5) and 10 g/day bicarbonate added to the high energy (HE+HCO3-Group 6). The experimental period extended to 10 days feeding period for each ration. Rumen fluid samples were taken from animals 0 hours before feeding as well as in the 2nd and the 4th hours after feeding during the last two days of feeding period. The end of the experiment time and feed factor showed statistically significant differences in pH values (P<0.05). The lowest pH level was observed in sheep fed ration HE+HCO3 before feeding time and pH levels were not statistically significant in the 2nd and 4th hours after feeding. It was found that the ammonia level in animals fed HP ration was the lowest (P<0.05) before feeding. Differences among time factors were found to be statistically significant (P<0.05) before feeding and 4th hours after feeding. Among the protozoa species Entodinium minimum was the most common species. Differences among feed factors for Entodinium caudatum level are found to be statistically significant (P<0.05).