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Improvement in Body Composition and Blood Parameters of Catla catla Fingerlings by Supplementing Rapeseed Meal Based Diet with Probiotics

Improvement in Body Composition and Blood Parameters of Catla catla Fingerlings by Supplementing Rapeseed Meal Based Diet with Probiotics

Muhammad Mudassar Shahzad1*, Hamna Rashid1, Syed Makhdoom Hussain2, Sana Bashir1, Fatima Khalid1 and Nisar Ahmad3

1Department of Zoology, Division of Science and Technology, University of Education, Lahore, Pakistan.
2Department of Zoology Government College University, Faisalabad, Pakistan.
3Department of Zoology, University of Jhang, Jhang, Pakistan.
 
* Corresponding author: drmudassarshahzad@gmail.com

ABSTRACT

The current experiment was conducted to find the effect of probiotics on haemato-immunity and proximate composition of Catla catla fingerlings fed on rapeseed meal-based diet (RSM). Probiotics enhance the effectiveness of feed utilization, compete against pathogens, and provide resistance against diseases. Six experimental diets were formulated by utilizing an RSM-based meal supplemented with graded levels of probiotics such as 0, 1, 2, 3, 4, and 5 g/kg. For the experiment, triplicate tanks were utilized and in each tank 15 (avg. wt. = 6.76 g) fingerlings were stocked. Fish fingerlings were fed at the rate of 2 to 4% of live wet weight, the diet was given to the fingerlings twice a day for 10 weeks. The hematological profile of an animal is a reflection of its immunological status. Results showed significant improvement in the hematological indices and proximate composition of catla fingerlings. The highest carcass composition (CP 18.84%, CF 9%, GE 2.44 kcal/g) was found in fish fed on test diet III supplemented with 2g/kg of probiotics. Similarly, counts of RBCs (2.75 106 mm-3), WBCs (7.87 103 mm-3), Hb (8 g/100ml) as well as PLT (64.68) were highest in fish fed on the 2g/kg probiotics supplemented test diet. While the lowest carcass composition and blood parameters were observed in the fish fed on control and 5g/kg probiotics supplemented RSM-based diet. However immunological parameters (monocytes, neutrophil, lymphocyte and eosinophil) are higher in fish that were fed on control, 1, 3 and 5 g/kg of probiotics respectively. Based on these recordings it was concluded that probiotics supplementation at 2g/kg in an RSM-based diet was very helpful for maximum performance of C. catla fingerlings in contrast to the control and other test diets.

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Pakistan Journal of Zoology

December

Vol. 54, Iss. 6, Pages 2501-3000

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