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All Journal Proceeding Biology Education Conference Berkala Penelitian Hayati
Isnawati Isnawati
Jurusan Biologi, FMIPA, Universitas Negeri Surabaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Public Health

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TEKNOLOGI FERMENTASI PADA PEMBUATAN PAKAN TERNAK RUMINANSIA BERBAHAN BAKU ECENG GONDOK (Eichornia crassipes) Herlina Fitrihidajati; Evie Ratnasari; Isnawati Isnawati; Gatot Soeparno
Proceeding Biology Education Conference: Biology, Science, Enviromental, and Learning Vol 11, No 1 (2014): Prosiding Seminar Nasional XI Biologi
Publisher : Universitas Sebelas Maret

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Abstract

Water hyacinth (Eichhornia crassipes) is an aquatic weed that grows in the surface of water. It’s rapidly growth can disturb the aquatic ecosystem. The water hyacinth has a potential to become the food supplement of animal because of its high protein content, but the crude fiber content which is difficult to be digested by the animal. So that, it’s needed some treatment of water hyacinth to become an animal feeding which have a low crude fiber content using technology fermentation. The purpose of this research is to know the result of water hyacinth fermentation on the various concentration of bio-activator. The method that was used is by fermenting the water hyacinth in the various concentration of yeast include 0 g/Kg (V0), 14 g/Kg (V1), 17,5 g/Kg (V23), 21 g/Kg (V3) dan 24,5 g/kg (V4) for 5 days. The feeding of the fermentation result from the various treatment then was analyzed its protein level and crude fiber content, and also the physical structure. The Physicly of water hyacinth fermentation result was has a crumb structure, has a dark brown colour and has a smell like tempe. From the proximate analysed, was known that V1 treatment (14g/kg) contained of the best nutrition that had the highest  rough protein content (11,09%) and the low crude fiber content (21,16%). Keywords: fermentation technology, animal feeding, ruminants and water hyacinth.
DAYA PATOGENESITAS Helicoverpa armigera Nuclear Polyhedrosis Virus HaNPV SETELAH TERKENA RADIASI SINAR ULTRAVIOLET Mahanani Tri Asri; Isnawati Isnawati
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 6 No 1 (2000): December 2000
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23869/487

Abstract

This research is about pathogen capacity of the Helicoverpa armigera nuclear Polyhedrosis Virus (HaNPV) after irradiation by ultra violet (UV) light. The HaNPV is the one kind of the virus which attack the insect Helicoverpa armigera-attacker the some species of the crop life tobacco, cotton, potato, tomato. Because of that the HaNPV can be used as the biological control of the pest. Some researcher stated that the pathogen capacity of the HaNPV is decrease if the virus was expose in the ultra violet (UV) light. Because of the fact the virus in not useful as the biological control of the pest in the land corp. This research to test the statement. Laboratory experimental was done to tested the pathogen capacity of the HaNPV after irradiation treatment by the ultra violet light. The intensity of the UV light in this experiment were 28.7 lux, 97.3 lux, and 127.4 lux with the lighting period were 0, 1, 3, 6, 9, 12, and 15. The result of the research stated that the pathogen capacity of the HaNPV was not influenced by ultra violet light. So the virus is still useful as the biological control of the pest in the land crop.
Co-Authors Evie Ratnasari Gatot Soeparno Herlina Fitrihidajati Mahanani Tri Asri