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All Journal MEDIA PETERNAKAN - Journal of Animal Science and Technology
M H Wibowo
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Agriculture, Biological Sciences & Forestry

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Performa dan Histopatologi Ayam Broiler yang Diinfeksi dengan Salmonella pullorum Setelah Pemberian Imbuhan Pakan Mengandung Tepung Cacing Tanah (Lumbricus rubellus) A Sofyan; H Sulendra; E Damayanti; B Sutrisno; M H Wibowo
Media Peternakan Vol. 33 No. 1 (2010): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (679.081 KB)

Abstract

A study was carried out to evaluate the effect of earth worm meal (Lumbricus rubellus) added into feed additive (FA) on performance and histopathology of broilers which were infected with 1 ml/bird containing 3x108 pure culture of Salmonella pullorum orally. Broilers were tested their antibody to S. pullorum by agglutination test before the chickens were infected at 22 days of age. Treatment consisted of control without FA (R0), control with antibiotic (R1), FA contain 25% earth worm meal/EWM (R2), FA contain 50% EWM (R3), FA contain 75% EWM (R4), and FA contain 100% EWM (R5) which were periodically fed to broilers every three days at seventh days before and 10 days after infection. Treatments were arranged on completely randomized design with five treatments and four replications of four broilers each. Broilers given FA had significantly (P < 0.05) increased body weight gain and improved feed conversion ratio. Broiler treated with FA containing 25% EWM (R2) improved feed utilization compared to R1, R3, and control. Histopathology analysis showed that broilers treated with FA could reduce viscera's necrosis, especially in the liver and intestine. Lesions found in broilers which were infected S. pullorum, could be reduced by FA treatment. It is concluded that EWM can be used as feed additive to improve broilers performance.   Key words: feed additive, Lumbricus rubellus, Salmonella pullorum, broilers, histopathology
Performance Enhancement and Immunity Profile of Broiler Treated Feed Additive Containing Lactic Acid Bacteria and Ganoderma lucidum A Sofyan; M Angwar; H Herdian; L Istiqomah; A Febrisiantosa; H Julendra; M H Wibowo; T Untari
Media Peternakan Vol. 35 No. 3 (2012): Media Peternakan
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (693.033 KB) | DOI: 10.5398/medpet.2012.35.3.201

Abstract

The experiment was conducted to evaluate the influence of feed additive containing lactic acid bacteria (LAB) and Ganoderma lucidum (GL) on body weight gain (BWG), feed efficiency (FE), performance index (PI), antibody titer (AT) against Newcastle disease and histopathology of broilers. Bacteria used were Lactobacillus salivarius and Pediococcus pentosaceus, which were isolated from broiler's intestine. A number of 195 unsexed day old chicks (Cobb strain) were arranged in a completely randomized design and consisted of 5 treatments, each in 3 equal replicates. The treatments were as followed T0: control/without-feed additive, T1: 1% LAB (109 cfu g-1), T2: 1% GL, T3: 1% of LAB 109 cfu g-1 + GL (1:1), T4: commercial antibiotic. Data were analyzed using ANOVA and conti-nued to Duncan's multiple range test. The results showed that T2, T3, T4 treatments significantly improved (P < 0.05) BWG, FE and PI of broilers. Broilers fed T3 had the highest PI, followed by T4, T1, T2 and T0. Broilers fed T3 had the highest AT value followed by T0, T2, T4, and T1. Histopathology profile showed that broiler fed T3 had no lesion on liver and intestine compared to others. The result of this experiment indicated that additive containing 0.25% L. salivarius, 0.25% P. pentosaceus, and 0.5% G. lucidum was able to enhance broiler performance.
Co-Authors A Febrisiantosa A Sofyan B Sutrisno E Damayanti H Herdian H Julendra H Sulendra L Istiqomah M Angwar T Untari