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- Title
A comparative study on mimosine, 3,4-dihydroxy pyridone (3,4-DHP) and 2,3-dihydroxy pyridone (2,3-DHP), purine derivatives (PD) excretion in the urine, thyroid hormone and blood metabolites profiles of Thai swamp buffalo ( Bubalus bubalis) and Murrah buffalo ( Bubalus bubalis)
- Authors
Jetana, Thongsuk; Thongruay, Sirima; Uswang, Sawong; Hengtrakulsin, Runchuan
- Abstract
Four Thai swamp buffaloes (SB) and four Murrah buffaloes (MB) fed a based diet of fresh ruzi grass ( Bachiaria ruziziensis) with an increased proportion of fresh leucaena leaves. Intake of nutrients in animals increased when ruzi grass was mixed with leucaena. Digestibility of nutrients were the highest in SB and MB fed diets containing 25% and 50% of leucaena, respectively, and nitrogen (N) balances in both animal breeds were varied among diets. The regression equation coefficient of mimosine + DHP in the urine was twice as high in SB than in MB. Urinary purine derivatives excretion rate in SB was higher than that in MB. Plasma triiodothyronine and thyroxine declined in both animal breeds fed a diet containing >1 g mimosine intake/kg BW/day. Plasma urea-N was the lowest in SB, but the highest in MB when fed a diet containing 84% of leucaena. Plasma β-HBA in SB have declined when diets contained >50% of leucaena but that in MB was not affected by any diet. In conclusion, the effect of leucaena in diet upon buffalo breeds depends on the proportion of leucaena in the diet, mimosine contents and condensed tannins components.
- Subjects
WATER buffalo; COMPARATIVE studies; MIMOSINE; PYRIDONE; PURINES; URINALYSIS; THYROID hormones
- Publication
Tropical Animal Health & Production, 2012, Vol 44, Issue 4, p887
- ISSN
0049-4747
- Publication type
Article
- DOI
10.1007/s11250-011-9983-1