Seasonal variations of cyanobacterial flora in the backwater of Kattumavadi
(Palk strait ), India

Abstract :

Efficiency of natural products on the colour enhancement of the gold fish Carassius auratus has been studied. Rose (Rosa damascene) flower powder mixed feed enhanced the attractive red colour in the gold fish C. auratus. However, it affected the normal growth of the fishes. Sunflower Helianthus annuus mixed food enhanced their yellow colour without affecting normal growth. Results indicated that the mixture of rose flower powder and sunflower powder may be used with the normal food to enhance and maintain the coloration of the gold fish kept in aquaria.