Abstract
The aims of the study was to determine the effect of recombinant growth hormone (rGH) on the growth of Silver pompano (Trachinotus blochii). This research was conducted using Complete Random Device) design experimentation i.e. control (non rGH), A (2 mg.kg-1), B (of 3 mg.kg-1), and C (4 mg.kg-1) of feed dry wieght (w/w) by four individual restating (each test 15 fish). Several parameter was observeb included absolute Growth, Specific Growth, feed convertion ratio, survival rate, mortality and water quality (DO, pH, temperature and salinity). The results showed that treatment C resulting an absolute growth of 19.9 g with a specific growth 0.71 g/ day). Feed convertion ratio was 5.8 while survival rate was 16.67% and Mortality reached 83.33 %. Results The analysis of water quality parameters are range DO (5.2-7.1mg L-1), salinity (25-28 ppt), pH (6.8-7.1) and temperature (30-31.2° C). Reviews These results indicate that rGH can increase the growth S. pompano fish compared to the control treatment.Keyword: recombinant Growth Hormone, Growth, Silver pompano
Highlights
Growth is an important factor in fish farming
The results show that any increase of dose RGH in will increase the absolute and spesific growth rate of silver Pompano fish
Oral administration of recombinant Growth Hormone (rGH) through feed is efficient more growth of fish compared with injection and immersion. rGH administration by oral method is thought to enter the body through the digestive system and stimulates the pituitary gland to produce GH in greater quantities, GH is channeled through the circulatory system to the target organ
Summary
Growth is an important factor in fish farming. Factors that affect the growth of fish such as eating, environment, and hormones (Kawaroe et al, 2001; Sukmaningrum et al, 2014). Hormone that can stimulate growth is the growth hormone of one recombinant Growth Hormone (rGH). The addition of growth hormone recombinant fish giant grouper (rElGH) at a dose of 3 mg.kg-1 of feed to produce growth in a higher weight than the control (Sudrajat et al, 2013) showed that the RGH through the feed with the method of coating significantly can increase the growth rate of 46.85%. The purpose of this research is to determine the effect of the addition of recombinant Growth Hormone (rGH) to the growth of silver pempano fish
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