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Yumaihana Yumaihana
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Agriculture, Biological Sciences & Forestry

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Pembiakan Cacing Tanah Perionyx Excavatus Dengan Teknik Vermikultur Limbah Peternakan Dan Pengaruhnya Terhadap Pupuk Kandang Yang Dihasilkan Yumaihana Yumaihana
Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science) Vol 12, No 2 (2007): Jurnal Peternakan Indonesia
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1925.285 KB) | DOI: 10.25077/jpi.12.2.142-149.2007

Abstract

The life cycle of earthworm Perionyx excavatus in the faces of livestock animals has been studied and had potency to depredate the animal wastes through vermiculture process. Optimal live environmental conditions were needed to achieve the optimal vermiculture process. The rate of growth and reproduction of the worm depended mainly on the availability of nutition in the medium. In this experiment, four different animal feces were used as vermiculture media, e.g. cattle, horse, rabbit and chicken. The increase of body length was measured as the growth rate function of the worm P. excavagatus. The change of temperature, pH and humidity of medium were measured as the factors affecting the growth rate. These factors were important in research objectives, i.e. production of earthworm biomass for poultry feedstuff and of high quality biofertilizer by using animal wastes as vermiculture medium. Feces of cattle and rabbit were found the best medium of vermiculture. P.excavagus cultivated in the feces of both animals showed the fast similar growth rate. The growth rate of P.excavagus in four different medium could be ordered as follows: cattle feces> rabbit feces>horse feces. Feces of chicken was found not suitable for earthworm media because of low pH. Biofertilizer from the vermiculture could be produced in relatively short time period with better physical characteristic in compare to the normal biofertilizer.
Pengaruh Berbagai Perlakuan Fisik Terhadap Molekul dan Aktivitas Protein Antibakteri dalam Cairan Selom Cacing Tanah Perionyx Excavatus Yumaihana Yumaihana; zeily nurachman
Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science) Vol 12, No 3 (2007): Jurnal Peternakan Indonesia
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (723.1 KB) | DOI: 10.25077/jpi.12.3.219-226.2007

Abstract

Earthworms are invertebrate with the unique immune system, since they are able to hold out bacterium pathogen in growing medium. Their immune system consists of a lot of reactions including: fagocytosis, encapsulation, agglutination, opsonisation and lysis for foreign component attacked. There are some small molecules and extra cellular proteins dilute in coelomic earthworm that play at important role in immune system and antibacterial agent. The present experiment was done to study the effect of several different treatments (feeding, living, medium, electricity stimulation) on the molecules resistance and activity of anti bacterial protein in coelomic of earthworms. Coelomic dilution was extracted by using electricity stimulation at 6 volt, and the activity of anti bacterial protein was measured by spectrophotometer, and agar diffusion. Protein extra cellular molecular size in coelomic dilution was observed by Sodium Duodecil Sulphate (SDS) electrophoresis. Results showed that the activity of anti bacterial protein in coelomic dilution, and molecule with 29 kDa size were deleted by tretments. Extraction of coelomic dilution which contained of activity of anti bacterial protein could be done in feces from cow which was never stimulated before.
Co-Authors zeily nurachman