Diverse Protein Levels and their Impact on Survival and Growth Proficiency of Monosex Tilapia, Oreochromis niloticus in Captivity
Diverse Protein Levels and their Impact on Survival and Growth Proficiency of Monosex Tilapia, Oreochromis niloticus in Captivity
Naeem Tariq Narejo1*, Muhammad Hanif Chandio2, Faheem Saddar3, Majida Parveen Narejo4, Bushra Ainy Dars5, Hafeez ur Rehman Narejo6, Athar Mustafa Laghari2, Shafiq ur Rehman Shaikh3, Shahnaz Rashid7 and Ghulam Abbas7
ABSTRACT
This study was conducted to evaluate the impact of dietary protein concentration on survival and growth efficiency of monosex tilapia, Oreochromis niloticus which were maintained in aquarium during the period of April-June 2020. Three diets were prepared by using locally available ingredients (wheat and rice bran, powder of mustard oil cakes, whole wheat flour etc.) to have varying levels of crude protein, specifically 35%, 40%, and 45%. The aeration provided to the aquaria was continuous for 24 hours, and feeding occurred twice daily. The findings of this study indicate that T-II demonstrated the highest performance in terms of growth metrics, followed by T-III. Conversely, a significant drop in performance was observed in T-I (p < 0.05). The highest temperature, measured at T-III, was recorded as 32 °C during the month of June. Conversely, the lowest temperature, observed at T-I, was recorded as 25.5 °C in the month of April. The month of June exhibited a higher dissolved oxygen (DO) concentration in T-II, measuring at 5.6 mg/l. Conversely, the month of April recorded a minimum DO concentration in T-III group, measuring at 3.6 mg/l. The study determined that the feed with a protein content of 40% was suitable for promoting the growth efficiency of Oreochromis niloticus when grown in glass aquaria.
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