نشریه آبزیان زینتی
سال سوم شماره 2 (تابستان 1395)

In order to, evaluation of the effect of tomato waste powder (skin, seed and pulp) of diet on growth performance, feed efficiency indices and combination of carcass of Pangasiussutchi, number of 150 Pangasiussutchi fishes with weight mean at 7.51 ± 1.94 gwithcompletelyrandomizedweredistributed in five testing group and in 15 number plastic tub with 60 liter capacity (5 treatment and 3 repeat) with 10 number fish in per tub, with identical environmental conditions. After one week adaptation, fishes were fed with five levels of 0 (control), 50, 100, 150 and 200 g tomato waste powder/kg diet for 8 weeks. Feeding rate was 3% of biomass weight and twice per day. According to the obtained results, adding the tomato waste powder to the feed diet of Pangasiussutchi fish up to the 200 g/kg diet, cause slight improving the growth indicators, efficiency of feeding and combination of carcass in this fish but don’t indicate significant different with control treatment. Beside, based on chemical analyze of combination carcass, the fat of carcass in treatment with 200 g tomato waste powder were significantly lower than the control treatment (p

Nanotechnology is an emerging technology that by raising its contribution to the economy and life, have risks to the environment and human as any other technology. It can be expected that a very small size nanoparticles have an important role in the toxicity of this materials, especially if the size of the particles be smaller than nm 100 nm will be compared with other biological components of the human body such as red blood cells with 700 nm size. Nanoparticles are able to make cell membranes and enter cells are left behind. Zebra fish with the scientific name Danio rerio is belonged to Cyprinidea family. In recent years, the zebra fish as a model for rapid analysis of gene function and biological activity of organic molecules have been proposed. Due to the similarity of the genetic, physiological and pharmacological with humans, it seems very appropriate to identify natural substances with therapeutic potential. Zebra fish embryo has been used as a model for nano toxicity and biological experimental due to its rapid growth. It can be used to estimate fish toxicology of nano metal particles and metal oxide as a predictive model.