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All Journal Animal Production : Indonesian Journal of Animal Production
P Mahyuddin, P
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Veterinary

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Effect of Combined Probiotics (Saccharomyces cerevisae + Candida utilis) and Herbs on Carcass Characteristics of Swamp Buffalo Mahyuddin, P; Widiawati, Y
ANIMAL PRODUCTION Vol 12, No 2 (2010): May
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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Abstract

A feedlot trial was conducted to study the effect of probiotics + herbs on carcass characteristics. Thirty male swamp buffaloes aged 2–2.5 years with the average body weight of 297 kg were used in this trial. They were fattened for 75 days to reach a slaughter weight of around 350–400 kg. They were divided into two groups of 15 animals in each group, and were placed in a shaded paddock. The groups were the control and the treated animals. The treated animals were given a supplementation containing combined yeasts (Saccharomyces cerevisae and Candida utilis), and herbs. All animals were fed basal diet of ammoniated rice straw and commercial concentrate with a ratio of 10: 90. There was no effect of probiotics+herbs on live weight gain, percentage of carcass, dressing, meat and by products, back fat thickness and eye muscle area. Addition of probiotics+herbs increased proportion of bone, reduced meat : bone ratio, body fat and proportion of offal. Although body fat content was reduced by the treatment, the compositions of fat were similar between the control and treated animals. (Animal Production 12(2): 69-73 (2010)Key Words: buffalo, feedlot, yeast, carcass
The Neutral Detergent Fiber Digestibility of Some Tropical Grasses at Different Stage of Maturity Mahyuddin, P; Purwantari, ND
ANIMAL PRODUCTION Vol 11, No 3 (2009): September
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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The digestibility of neutral detergent fiber (IVNDFD) was determined by Telly and Terry methods in vitro on 5 tropical grasses species, Sorghum, Themeda, Iseilema, Brachyacne and Dicanthium. Stem and leaf samples were harvested at different maturity stages, started from early flowering stage to the stage when the grasses were dried. In general, IVNDFD ranged from 22% to 41%. Stages of maturity affected IVNDFD in 4 species; IVNDFD was higher in the stems than in the leaves for 2 species out of 5 species of grasses; the rest was similar. There was no correlation between NDF and IVNDFD, showing that NDF degradability in the rumen was vary. Digestibility potential of NDF (PDNDF) varied from 21% to 44% and has negative correlation with IVNDFD (r=0.75). Growth affected PDNDF in 2 species; and 3 out 5 species observed showed PDNDF in the leaves was higher than that in the stems. Negative correlation was exist between dry matter digestibility (IVDMD), water soluble extract (WSE) and protein with PDNDF.  Grasses with stated PDNDF values have relatively high NDF retention in the rumen, which will cause low NDF or dry matter consumption. (Animal Production 11(3): 189-195 (2009)Key Words: NDF digestibility, tropical grasses, stem, leaves, maturity stage
Chemical Composition of Leaf and Stem of Tropical Grasses at Different Stages of Growth Mahyuddin, P
ANIMAL PRODUCTION Vol 9, No 3 (2007): September
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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Komposisi kimia daun dan batang dari rumput tropis, Sorghum stipodeum, Themeda australis, Iseilema vaginiflorum, Brachyacne convergens, Dicanthium fecundum (berdaun lebar, bl dan berdaun kecil, nl), Enneapogon polyphyllus, Panicum sp, and Eriachne obtuse dianalisa. Rumput-rumput tersebut mulai dipanen pada saat permulaan berbunga sampai tanaman menjadi kering dengan interval  9, 12, 16, 23 dan 36 hari. Pada semua jenis rumput yang dianalisa, kandungan konstituen dinding sel yang diukur dengan analisis neutral detergent fiber (NDF) lebih tinggi didalam batang dari pada didalam daun (84% vs 75%).  Lima dan 8 dari 9 species tersebut berbeda nyata antara batang dan daun masing-masing untuk kandungan ADF (54,20% vs 51,10%) dan lignin (8,60% vs 5,40%).  Pada 5 species yang dianalisis, semuanya mengandung protein kasar (CP) lebih tinggi didalam daun dari pada didalam batang (5% vs 2,5%), dan semuanya mengandung karbohidrat larut dalam air (WSC) yang tidak berbeda nyata (3%) didalam daun maupun didalam batang. Tiga dari 5 species yang dianalisis menunjukkan kandungan extrak larut dalam air (WSE) yang lebih tinggi didalam daun dari pada di dalam batang (12,30% vs 9,40%).  Enam dari 9 jenis rumput tersebut, mengandung NDF, ADF dan lignin yang tidak berbeda nyata antara periode panen karena rumput-rumput tersebut sudah pada tingkat pertumbuhan yang lanjut. Empat dari 5 species yang dialanisis untuk CP dan 2 dari 5 species yang dianalisa untuk WSE dan WSC menunjukkan kecenderungan penurunan dengan bertambahnya umur tanaman.  Diperkirakan bahwa dengan tingginya kandungan NDF dan rendahnya kandungan CP pada rumput-rumput tersebut, akan membatasi konsumsi ternak dan ternak akan kehilangan bobot badan. Daun dapat dijadikan faktor untuk seleksi pada rumput tropis. (Animal Production 9(2): 153-159 (2007) Kata Kunci: Rumput tropis, batang, daun, dinding sel, pertumbuhan tanaman
Co-Authors ND Purwantari, ND Y Widiawati