Seasonal LDH Stress on Protein Metabolism in Common Carp

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2017 by IJETT Journal
Volume-45 Number-3
Year of Publication : 2017
Authors : S.Md. M.N.Iqbal, P.Indira
DOI :  10.14445/22315381/IJETT-V45P225


S.Md. M.N.Iqbal, P.Indira " Seasonal LDH Stress on Protein Metabolism in Common Carp ", International Journal of Engineering Trends and Technology (IJETT), V45(3),114-117 March 2017. ISSN:2231-5381. published by seventh sense research group

Summer season 300C+ 20C is taken as control, where as rainy season with 200C+ 20C is taken as cold stress , and winter season with 150C+ 20C is taken as cold adaptation. Common carp i.e., Catla Catla, Labeo rohita, Cyprinus carpio is taken as an experimenatal animals. In relation to seasonal variations, tissue variations, and species variations has been studied under LDH Stress on Total Protein Metabolism under three seasons. From summer season to rainy season the LDH activity decreases due to cold stress. During summer season due to high temperature, meager amount of Oxygen and high salinity due to strenuous activity of the fish the LDH content increases ad total protein content decreases. Where as during rainy season due to cold stress with plenty of oxygen and less temperature LDH activity decrease leading to raise in protein content. The rainy season is considered as the growth period in Common carp. Due to cold adaptation the LDH activity once again increases and protein content decreases without causing any burdon on the part of the fish but it never reaches to control value.


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LDH, Proteins, Common carp, Cold stress, Seasons, Non-osmotic tissues, Osmotic Tissues.