CHARACTERIZATION OF RUMINAL AND METABOLIC PARAMETERS IN CAMBS RAISED IN NATIVE PASTURE
DOI:
https://doi.org/10.5216/cab.v8i4.2684Keywords:
Rumen, Ovinos, nutrição de ruminantesAbstract
The objective was aimed at with this work to charac-terize the parameters in ruminal and metabolic parameters in weaned lambs kept in native pasture. Ten lambs were used – five males and five females – with average body weights medium of 26 kg and 22.5 kg, respectively, and ages between 75 and 95 days old. Lambs were weaned and permanently kept in native pasture. Samples of ruminal fluid were collected during eight weeks, and nine collects. Oxidation-reduction, time of sedimentation-flotation, pH, color, odor, viscosity and motility of protozoa were evaluated. Blood samples were also collected to determine metabolic profiles through concentrations of glucose, triacylglycerids, cholesterol, urea, albumin, aspartate amino transferase and γ-glutamil transferase. Ruminal parameters did not differ between gender at α = .05 except for pH which was higher (P < .05) in females (6.90) than in males (6.80). A similar result was observed in the metabolic parameters, with no statistically significant difference between genders at α = .05. However, albumin concentration was higher on males (2.10mg/dL) than in females (2.02mg/dL). The results suggest that males and females have similar ruminal and metabolic profiles except for a higher pH in females and a higher albumin concentration in males.
Key-words: Metabolism, sheep, native pastura, rumen.
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