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Articles by Toto Toharmat
Total Records ( 2 ) for Toto Toharmat
  Widya Hermana , Toto Toharmat , Sumiati and Wasmen Manalu
  Katuk (Sauropus androgynus) and mulberry (Morus alba) leaves meal contain cholesterol, campesterol, stigmasterol, sitosterol and 2-4alpha-methylsterol. These active substances were expected to increase nutrients metabolism in laying poultry including quail. Poultry in layer period have high nutrients requirement and mobilization. Usage of Katuk and mulberry leaves meal in the diet was expected to increase egg quality. Four dietary treatments and 5 replications of 15 quails of 6 weeks of age each, were allocated in a completely randomized design. Parameters observed were feed consumption, egg weight, quail day production and egg quality. The results showed that feed consumption and egg weight were not affected by the treatments, while egg production was significantly decreased by feeding the 10% mulberry leaf meal as well as the mixture of 5% Katuk and mulberry leaf meal (P < 0.05). Feeding 10% Katuk leaf meal did not affect the performances of the quail but the egg indicated the highest vitamin A and yolk colour score. It was concluded that 10% Katuk leaf meal could be fed to the laying quail to increase the egg quality without decreasing the production.
  Sri Suharti , Dewi Apri Astuti , Elizabeth Wina and Toto Toharmat
  This research was aimed to investigate the utilization of whole lerak extract to improve rumen fermentation, nitrogen retention and performance of beef cattle received high forage based ration. Experimental diet composed of forage (70%) and concentrate (30%). The in vivo study was conducted using 12 local beef cattle which were divided into three treatments ie three different levels of lerak extract (0, 100 and 200 mg/kg body weight) were added to the diet. Parameters measured were nutrient digestibility, volatile fatty acid (VFA) profile, NH3 concentration, microbial protein synthesis, feed intake and daily gain of beef cattle during 90 days of feeding trial. The addition of lerak extract up to the level of 200 mg/kg BW did not affect nutrient digestibility. Total VFA and propionate proportion increased (p<0.05) and the ratio of acetate: propionate decreased (p<0.05) with the addition of lerak extract. Concentration of NH3 in the rumen tended to decrease. Nitrogen retention, microbial protein synthesis, feed intake and daily gain of local beef cattle fed high forage ration tended to increase with the addition of lerak extract at the level up to 200 mg/kg BW. The addition of lerak extract at the level of 200 mg/kg BW increased average daily gain up to 12.5% compared to the control treatment.
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