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Articles by Ronny Martien
Total Records ( 3 ) for Ronny Martien
  Sundari , Zuprizal , Tri Yuwanta and Ronny Martien
  This research investigated the effects of levels turmeric extract nanocapsule or nanoparticle (NP) in ration on broiler performance and fat deposition. Seventy-two Lohmann broilers chicks were randomly divided into 6 treatments with 3 replications, each complied 4 broilers. Six treatments were Basal ration+bacitracin 50 ppm (T0), Basal-Ration/BR (T1), BR+nanocapsule 0.2% (T2), BR+nanocapsule 0.4% (T3), BR+nanocapsule 0.6% (T4), BR+nanocapsule 0.8% (T5). The analyzed variables covered production performances (feed consumption, weight gain, feed conversion ratio (FCR), carcass weight), fats deposition (abdominal fat, subcutaneous fat, EPA, DHA, total cholesterol). The data were subject to one way ANOVA analysis followed by Duncan test in case of significant effect. Results showed that the nanocapsule levels significantly (p<0.01) affected abdominal fat, increased meat EPA and DHA. It showed significant (p<0.05) effects on subcutaneous fat, total cholesterol of liver and weight gain, but no significant (p>0.05) effects on feed consumption, FCR and carcass weight. Accordingly, 0.4% turmeric extract nanocapsule, equal to 50 ppm bacitracin, was a compatible feed additive for broiler chicken ration to improve the meat quality of DHA-enriched and least-subcutaneous fat without negatively affecting performance.
  Zuprizal , Tri Yuwanta , Supadmo , Andri Kusmayadi , Ari Kusuma Wati , Ronny Martien and Sundari
  This research investigated the effects of liquid turmeric extract nanocapsule levels in drinking water on broiler performance and total cholesterol. Eighty-four Lohmann broilers chicks were randomly divided into 7 treatments with 3 replications, each with 4 broilers. Seven treatments were drinking water (DW) + additive bacitracin 12 mg/1000 ml (P1), DW only (P2), DW + 2% nanocapsule (P3), DW + 4% nanocapsule (P4), DW + 6% nanocapsule (P5), DW + 8% nanocapsule (P6) and DW + 10% nanocapsule (P7). The analyzed variables covered production performances (weight gain, feed consumption, feed conversion ratio and water consumption) and total cholesterol (serum, meat and liver). The data were subject to one-way ANOVA analysis followed by Duncan’s test in case of significant effect. The results showed that nanocapsule levels significantly (p<0.05) affected on weight gain, feed consumption, total cholesterol of meat and liver. It showed no significant (p>0.05) effects on feed conversion, water consumption and total cholesterol of serum. Accordingly, 2% liquid turmeric extract nanocapsule, equal to 1.73 mg/100 ml curcumin, was a compatible feed additive for drinking water of broiler chicken to improve the feed efficiency and total cholesterol of meat and liver without negatively affecting performance.
  Zainal Choiri , N. Danar Dono , Bambang Ariyadi , Chusnul Hanim , Ronny Martien and Zuprizal
  Objective: This study aimed to analyze the effect of nano-encapsulation of noni (Morinda citrifolia) fruit extract in drinking water on antibacterial activity and the morphology of intestinal villi in laying hens. Materials and Methods: The experiment was conducted in a completely randomized design consisting of 6 treatments and 5 replicates, with 12 chickens (20 weeks) in each replicate pen. The treatments were: P0 = Water without an additive (negative control), P1 = Water+50 mg/hen of tetracycline (positive control), P2 = Water+0.5% extract of noni fruit, P3 = Water+0.5% nano-encapsulation of noni fruit extract, P4 = Water+1% nano-encapsulation of noni fruit extract and P5 = Water+1.5% nano-encapsulation of noni fruit extract. At the end of the experiment (5 weeks), parameters included bacterial populations in the small intestine (Escherichia coli, Bacillus subtilis and Salmonella sp.) and the morphology of intestinal villi (villus height, villus width, crypt depth and villus height: Crypt depth) were observed. Data were analyzed statistically using one-way ANOVA. Orthogonal contrasts were used to analyze all data with significant differences. Results: The results showed that the addition of 1% nano-encapsulation of noni fruit extract in drinking water did not affect the morphology of the intestinal villi or the populations of Bacillus subtilis and Salmonella sp., but it reduced the population of Escherichia coli (p<0.05). Conclusion: Supplementation with nano-encapsulation of noni fruit extract in the drinking water of laying hens reduced colonization by Escherichia coli and might be used as an alternative to antibiotics in laying hens.
 
 
 
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