this study evaluated the effects of various dietary levels of maros nigra's powder on some immune factors and blood parameters of rainbow trout (oncorhynchus my kiss). 320 fish with average initial weight 75 + 0.01 g randomly distributed in 12 tanks and fed by 0, 20, 40, and 60 ppm additive powder for 8 weeks. the results showed that the treatments, which fed more additive powder, had the ...

The mechanism suggested by Turing for reaction-diffusion systems is widely used to explain pattern formation in biology and many other areas. persistence of patterns altering environments an important property natural cases. experimental study these phenomena can be done chemical using appropriately designed reactors, e.g., two-side-fed open gel reactors. This configuration allows testing the e...

A 15-day study was conducted to evaluate the effects of Artemia metanauplii enriched with two commercial supplements (Easy DHA-Selco and S. presso) which contained high levels of n–3 long chain polyunsaturated fatty acids (n–3 LC-PUFA) on growth performance, stress resistance and fatty acid profile of Litopenaeus vannamei post larvae (PL). In this regard, PL were fed with three different types ...

A 15-day study was conducted to evaluate the effects of Artemia metanauplii enriched with two commercial supplements (Easy DHA-Selco and S. presso) which contained high levels of n–3 long chain polyunsaturated fatty acids (n–3 LC-PUFA) on growth performance, stress resistance and fatty acid profile of Litopenaeus vannamei post larvae (PL). In this regard, PL ...

Concept Design and optimization of cell culture processes requires intensive studies based on “Design of experiments”-strategies. In academia teaching of DoE-concepts is often insufficient, as in most cases only simple culture strategies (batch) can be performed, as time and money are limited. More complex tasks such as feeding strategies for fed batch culture can be discussed theoretically onl...

A competitive (nonmetabolizable) inhibitor of glucose uptake, alpha-methylglucoside, was used to limit the growth of Escherichia coli. Cell division during such a nutritional shift-down was studied in batch cultures and with the "baby-machine" technique. Following a brief delay, the rate of division was maintained for 60 to 70 min in batch cultures and for an extended period in the baby machine...

Objective(s) We determined the effect of a high fructose diet either alone or in combination with Iranian shallot or garlic extract on cognitive functions, plasma lipid profile, and the intraperitoneal glucose tolerance test (IPGTT). Materials and Methods Following induction of insulin resistance in fructose-fed rats (Fru-fed), they were randomly assigned to three subgroups. The first subgro...

Whole embryo culture (WEC) technique has been developed in 1950's by New and his colleagues, and applied for developmental biology (1). Although development and growth of mammalian embryos are critically dependent on the function of the placenta, WEC technique allows us to culture mouse and rat embryos ex vivo condition during limited periods corresponding to midgestation stages during embryoni...