The development of the marine aquaculture industry has led to the generation of significant amounts of fish wastes. Marine farm wastes exert adverse effects on the surrounding area of the cages. On the other hand, wastes of fish and other aquatic animals are regarded as major sources of valuable natural bioactive compounds, including enzymes, proteins, bioactive peptides, oil, amino acids, coll...

This study was conducted to determine effects of dietary administration of different levels of ginger (Zingiber officinale) extract on digestive enzymes activity and liver composition of Mesopotamichthys sharpeyi during eight weeks. In this respect, 192 M. sharpeyi fingerlings (with initial weight 11.67 ± 0.32 g) were divided into three ginger extract (0.1%, 0.5%, 1%) treatment group...

the snail caucasotachea lencoranea mousson is a pest of citrus in the north provinces of iran. in order to adopt a better control of the pest and develop optimal management strategies, an understanding of the digestive enzymes’ function is inevitable. snails were collected from some citrus orchards in the northern provinces of the country and digestive carbohydrases including ?-glucosidase, ?-g...

In present study the effect of dietary inclusion of equal amounts of four traditional medicines; Matricaria chamomilla L, Zataria multiflora L, Mentha piperita L and Terminalia chebulo L on growth performance and digestive enzymes activity in Litopenaeus vannamei was investigated. Two diets, including a control basal diet and an experimental diet with 30 g kg-1 herbal mixture supplementation we...

this study was carried out to clarify the feeding biology of the blood cockle ( anadara granosa ). we collected blood cockles from 8 stations in the matang mangrove estuary of malaysia in july and august 2010. the digestive tube contents of the specimens were stained with congo red and observed under a light microscope. the results showed blood cockles take in particles containing cellulose as ...

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Three hundred one-day-old male broiler chickens (Ross-308) were fed corn-soybean basal diets containing non-starch polysaccharide (NSP) enzyme and different levels of acid protease from 1 to 42 days of age to investigate the effects of exogenous enzymes on growth performance, digestive function, activity of endogenous digestive enzymes in the pancreas and mRNA expression of pancreatic digestive...