Tri Hesti Wahyuni
Departement of Animal Science,Agriculture Faculty,USU Medan

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The Effect of Utilization Bentonite and Zeolite in the Broiler Diets on Performance and Fecal Characteristics Wihandoyo, Wihandoyo; Wahyuni, Tri Hesti; Alimon, AR
ANIMAL PRODUCTION Vol 3, No 1 (2001): January
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (89.705 KB)

Abstract

Ninety six commercial strain were conducted from 14 to 42 days of age to evaluate the affect of utilization zeolite and on performance of broiler and fecal characteristics. Birds were divided into four  treatment diets (4 replicates of 7 birds each): K (control), KB (K+ 1% bentonite),  KZ (K+ 1% zeolite), KBZ (K+ 1% Z+ 1% B). The birds were fed initially for two weeks a commercial starter ration and followed by treatment  diets 15 to 42 days of age. All the diets were formulated to have 20% crude protein and 3000 kcal. ME and 0.91% Ca and 0.69% P for control and 0.34% treatments. Body weights and feed intakes were measured on a weekly basis. The manure from each group was sampled on weekly basis and the  moisture content, pH and ammonia production was determined. The results showed the utilization zeolite and bentonite or both significant differences (P<0.05) on pH and (P<0.01) fecal ammonia content, but not on feces water content, final body weight, feed consumption, feed conversion ratio, and carcass. (Animal Production 3(1): 1-4 (2001)
Sinergisme Fungi Selulolitik Berbasis Limbah Jagung Sebagai Bioaktivator Pakan Berserat Nasution, Fahri Husaini; Yunilas; Wahyuni, Tri Hesti
Journal of Livestock and Animal Health Vol. 2 No. 2 (2019): August
Publisher : Politeknik Pertanian Negeri Payakumbuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (503.708 KB) | DOI: 10.32530/jlah.v2i2.50

Abstract

Tujuan penelitian ini adalah menguji kemampuan sinergisme fungi selulolitik asal limbah jagung untuk dikonsorsiumkan sebagai bioaktivator pakan berserat. Isolate fungi selulolitik yang dikonsorsiumkan merupakan hasil isolasi dari limbah tanaman jagung yaitu isolate JB (Aspergillus sp.), JC (Fusarium sp.), JD (Aspergillus sp), JE (Rizoctonia sp.). Parameter yang diamati adalah sinergisme fungi selulolitik yang dikonsorsiumkan pada medium padat, pola interaksi antara fungi yang dikonsorsiumkan pada medium padat dan sinergisme fungi selulolitik yang dikonsorsiumkan pada medium cair (cocktail inokulum). Hasil penelitian menunjukkan bahwa dari konsorsium isolate fungi selulolitik diperoleh 5 pasangan isolat fungi selulolitik yang dapat bersinergi dan 1 pasangan tidak dapat bersinergi. Pola pertumbuhan yang terbentuk bersifat Mutual Intermingling (pasangan isolate JB vs JC dan JB vs JD), Partial Intermingling (pasangan isolate JB vs JE; JC vs JD; dan JD vs JE); dan Inhibition at touching point (pasangan isolate JC vs JE). Sinergisme fungi selulolitik yang dikonsorsiumkan pada medium cair (cocktail inokulum) menunjukkan tingkat pertumbuhan yang berfluktuatif seiring bertambahnya waktu fermentasi. Kesimpulan: dari 5 pasangan isolat fungi selulolitik yang dikonsorsiumkan diperoleh 1 pasang isolate yang tidak dapat bersinergis, dan sinegisme antara fungi membentuk pola interaksi yang bervariatif. Pertumbuhan fungi selulolitik pada medium cair berfluktuatif dan menunjukkan tingkat pertumbuhan optimum pada hari ke-3.