![]() ![]() “These results are important for both practical aquafeed formulations and environmental protection.” Why feed chromium polynicotinate?Ĭompared to terrestrial animals, fish have a harder time using soluble carbohydrates in their diet reducing the application of the carbohydrates inclusion in diets for many aquatic species, the researchers said. “A level of 16.0 and 19.8 mg Cr-Nic kg−1 in the diet was sufficient to maximize growth and feed efficiency of T. ovatus, respectively,” they said. The protein efficiency ratio (PER) was best for fish on diets with 10mg or 20mg kg-1 Cr-Nic and lowest for fish on the control diet. The researchers found that fish on the diet with 10mg kg-1 Cr-Nic maintained the highest weight gain percentage (WG%), and that fish on a non-supplemented diet with 48% crude protein had similar feed efficiency to fish on a supplemented diet with less protein. “The minimum dietary Cr-Nic inclusion level required to maximize growth also was assessed.” ![]() “In this study, graded levels of chromium polynicotinate (Cr-Nic) were added as supplements to high-starch diets of pompano, with the objective of investigating the effects of Cr-Nic on growth and feed utilization,” the researchers said. The group published its work in the journal, Aquaculture. ![]() An international team of researchers from Texas A & M University in the US and the South China Sea Fisheries Research Institute in China explored the use of chromium polynicotinate (Cr-Nic) as a feed additive for farmed juvenile golden pompano. ![]()
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