Phon kan chai kak malet yang phara kratho pluak chaedang lae soem krot amino sangkhro pen ahan sukon yanom kon kamnot.
1991
Jaruwat Nutdechanun
Experiment I: Fifty barrows and fifty female (Landrace x Large White) pigs which were weaned at 4 weeks of age were divided into 5 groups (Treatments) with 5 replicates of 4 pigs each containing equal number of both sexes in randomized complete block design. The diets were: T1-A control diet, T2-Dehulled para rubber seed meal (D.R.M.), T3-Alkali treated, D.R.M., T4-Supplemented with 0.30 percent lysine and 0.15 percent methionine, D.R.M. and T5-Alkali treated and supplemented with 0.30 percent lysine and 0.15 percent methionine, D.R.M. The average daily gain (ADG) of T3 was statistically significantly (P<0.05) lower than that of the other treatments. The feed conversion ratio (FCR), of T1 was highly significantly (P<0.01) lower than most of the other treatments except that of T4. The average daily feed intake (ADFI) of T2 was significantly (P<0.05) higher than T1 and T3. ADFI of T1 was significantly (P<0.05) lower than T2 and T4. ADFI of T3 was not significant difference in T1, T4 and T5 but lower than T2 (P<0.05). Whereas feed cost per weight gain was not statistically significant. Experiment II: Six barrows of the same breed with approximately 50 kilograms body weight were used to determine the digestibility of dehulled para rubber seed meal and alkali-treated, dehulled para rubber seed meal. The digestibility for dry matter and crude protein were 71.78 and 68.98 percent for D.R.M. and 72.00 and 71.93 percent for alkali-treated. The diets containing 15 percent dehulled para rubber seed meal with supplement lysine and methionine had no effect on the performance of early-weaning pig.
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