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Clinical Infection On Shrimp

The virus can also be found in the hemolymph of shrimp that showed clinical symptoms, it is suspected WSSV spread through the circulatory system (Momoyama et al., 1995). Clinical symptoms of infection with WSSV in shrimp body with symptoms of redness can be seen in Figure 6. IHHNV classified in a double-standed DNA and a virus that attacks the smallest ...

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Ammonia Nessler Method

Determination of ammonia-nitrogen used indophenol method (method phenate). This method of giving out a good result for the waters of the pool water. reagent used is phenate (phenol), chlorox (oxidizing solution) and manganese sulphate. phenol and hypochlorit (chlorox) action in the solution is alkaline-forming phenylquinone monoimine which would then be reacted with ammonia to indophenol blue. blue color density comparable ...

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Application Probiotika For Raising

Probiotics are generally defined as additional bacteria (inoculant) used to carry a certain microbiological enzymatic process. The fact further indicates that the organisms that carry out tasks biological changes can also be defined as biomanipulator. Some organisms can be regarded as biomanipulator is an herbivorous fish (beronang / Siganus spp), fish omnivore (tilapia fish and fish), fish plankton feeder (tilapia ...

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Macrofauna In Soil Fertility

Soil organisms (microfauna, macrofauna and microflora) have an important role in soil fertility. Soil fertility control activities as indicated by fixing some physical soil properties include (1) the soil structure, (2) the texture and consistency of the ground, (3) retention and movement of water, and (4) the exchange of gases. Chemically there were also changes in soil properties include (1) ...

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Penyakit Virus Udang

A. Penyakit virus HPV (Hepatopancreatic Parvovirus) dan MBV (Monodon Baculovirus) Pada Tahun 1988-1990 merupakan penyakit yang sangat mematikan untuk udang windu yang dapat menyebabkan pertumbuhan udang lambat. Organ yang diserang adalah hepatopancreas. Pada serangan yang serius,Hepatopancreas akan terlihat pucat, menyusut dan memadat. B. Penyakit virus YHD (Yellow Head Disease) Gejala penyakit ini antara lain : a) Bagian kepala berwarna kuning, ...

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Kemasan Kertas Lipat dan Kardus

Karton lipat dan kardus merupakan jenis kertas yang populer karena praktis dan murah. Dalam perdagangan disebut juga folding carton (FC), dan digunakan untuk mengemas bahan hasil pertanian atau jenis-jenis barang lainnya. Bahan yang banyak digunakan untuk membuat karton lipat adalah cylinder board yang terdiri dari beberapa lapisan, dan bagian tengahnya terbuat dari kertas-kertas daur ulang, sedangkan kedua sisi lainnya berupa ...

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