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Effect of the nature of energy and nitrogen sources on the population of ciliates in the rumen of sheep

Author(s): Houcine Selmi, | Boulbaba Rekik | Hamadi Rouissi

Journal: Research Opinions in Animal & Veterinary Sciences
ISSN 2221-1896

Volume: 1;
Issue: 1;
Start page: 48;
Date: 2011;
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Keywords: Ciliates | Local resources | Raw materials imported | Rumen | Sheep

The effect of the nature of raw materials in concentrate on the population of ciliated protozoa was evaluated in the rumen of Sicilo-Sarde sheep. Four rams with permanent rumen canulas, 4.8 ± 0.5 years with an average live weight of 45.25 ± 3.5 kg were used. Rams were fed a common base ration of hay oats (1.5 kg DM/ head/day). Animals were supplemented with 500g/head/day of one of four iso-energetic and iso-proteic concentrates. The four concentrates were: A concentrate (10% barley, 43.3% corn, 25% wheat bran, 17.7% soybean meal and 4% CMV), B concentrate (71.5% barley, 17.5% horse bean, soybean meal, 7% and 4% CMV), C concentrate (66% white sorghum, 30% fava, 4% CMV) and D concentrate (71% triticale, 18% horse bean, soybean meal, 7%, 4% CMV). The determination of ciliates was performed on unfiltered rumen fluid, collected two hours after the morning meal. The enumeration of protozoa and determination of various genuses were carried out with a HAWSKLEY counting room after several dilutions, using a microscope. The population of ciliates for, the concentrate B was significantly higher (P
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