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Turkish Journal of Fisheries and Aquatic Sciences 2021, Vol 21, Num, 9     (Pages: 435-441)

Seasonal variations in haematological parameters and body composition of Labeo rohita (Rohu) and Cirrhinus mrigala (Mrigal carp) in River Indus, District Dera Ismail Khan, Pakistan

Syed Sikandar Habib 1 ,Francesco Fazio 2 ,Saira Naz 1 ,Francesca Arfuso 2 ,Giuseppe Piccione 2 ,Hameed Ur Rehman 3 ,Wali Muhammad Achakzai 4 ,Muhammad Nazir Uddin 5 ,Khalid Hussain Rind 6 ,Nadir Ali Rind 6

1 Department of Zoology, University of Sargodha Punjab, Pakistan
2 Department of Veterinary Sciences, University of Messina, Polo SS Annunziata, 98168 Messina, Italy
3 Department of Zoology, Kohat University of Science and Technology, KP, Pakistan
4 Department of Zoology, University of Baluchistan, Baluchistan, Pakistan
5 Center of Biotechnology and Microbiology, University of Swat, KP, Pakistan
6 Department of Molecular Biology and Genetics, Shaheed Benazir Bhutto University, Sindh, Pakistan
DOI : 10.4194/1303-2712-v21_9_02 Viewed : 56 - Downloaded : 81 The seasonal effect on haematology and body composition of Rohu and Mrigal carp were evaluated. Fifty-four fish of each species (Rohu length and weight 28.00±0.34 cm and 385±3.40 g; Mrigal carp length and weight 29.48±0.24 cm and 393±5.48 g) were collected from the Dera Ismail Khan. The values of WBCs (9.31 and 8.41×106 mm-3 ), RBCs (2.37 and 2.12×106 mm-3 ), Hb (9.58 and 8.78) and HCT (38.06 and 36.04 %) of Rohu and Mrigal carp were higher in summer whereas declined in winter (P<0.05). The MCV, MCH and MCHC of both species were higher (P<0.05) in winter, and decreased during summer. The moisture content of both Rohu and Mrigal carp was higher during winter followed by spring and lower in summer season. Lipid and protein content of both species were higher (P<0.05) in summer and lower in winter. The moisture content, proteins and lipid were found higher in Rohu than Mrigal carp. According to the findings, it was concluded that the water quality parameters vary seasonally which in turn impacts on body physiology of fish species. Keywords : Seasonal variation, Haematological, Proximate analysis, Labeo rohita, Cirrhinus mrigala