International Journal of Aquaculture, 2013, Vol.3, No.16, 85
-
91
http://ija.sophiapublisher.com
85
Research Report Open Access
Effect of Different Feed Ingredients on Growth and Level of Intestinal Enzyme
Secretions in Juvenile
Labeo rohita
,
Catla catla
,
Cirrhinus mrigala
and
Hypophthalmicthys molitrix
Nida Ismat
1
,
Muhammad Ashraf
1
,
Muhammad Naeem
2
,
Muhammad Hafeez ur Rehman
1
1
University of Veterinary and Animal Sciences, Lahore Pakistan
2
Bahul-Din-Zikryia University, Multan Pakistan
Corresponding author email:
muhammad.ashraf@uvas.edu.pk
;
Authors
International Journal of Aquaculture, 2013, Vol.3, No.16 doi: 10.5376/ija.2013.03.0016
Received: 22 May, 2013
Accepted: 3 Jun., 2013
Published: 18 Jun, 2013
Copyright © 2013
Ismat. This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use,
distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article
:
Ismat, 2013, Effect of Different Feed Ingredients on Growth and Level of Intestinal Enzyme Secretions in Juvenile
Labeo rohita
,
Catla catla
,
Cirrhinus mrigala
and
Hypophthalmicthys molitrix
,
International Journal of Aquaculture, Vol.3, No.16 85-91 (doi: 10.5376/ija.2013. 03.0016)
Abstract
Feed ingredients are the basic units in feed formulation. Behavior of individual ingredient dictates the overall
performance of feed. Therefore, current studies were conducted to investigate the biological value of each ingredient in both Chinese
and Indian major carps before their merger into feed formula to enhance fish growth and cut down feed cost. Trial contained two
treatments and a control randomly received two glass aquaria (3×2×2 ft) with 10 fish in each. Fishes in control group were fed on
rice polish, T
1
on soybean meal and T
2
on cotton seed meal @ 3% of wet biomass of fish for 30 days.
Labeo rohita
,
Hpophthalmichthys molitrix
and
Cirrhinus mrigala
gained maximum weight on rice polish whereas
Catla catla
on soybean meal.
Amylase concentrations were similar in fishes fed on rise polish except
Hypophthalmichthys molitrix
which secreted significantly
low amylases. Values of lipase were the highest in
Catla catla
when fed on soybean meal.
Cirrhinus mrigala
didequally well on all
ingredients while
Hypophthalmichthys molitrix
did very poorly. Protease concentrations slightly varied but variations were prominent
from species to species. Protease concentrations in
Catla catla
were similar when fed on rice polish and soybean meal, however,
Cirrhinus mrigala
displayed higher protease concentrations when fed on cotton seed meal. These studies reveal that various fish
species respond to a variety of ingredients in its own way hence acceptability and digestibility criteria should be given due
importance during ingredient selection and feed formulation for particular fish species.
Keywords
Feed ingredients; Enzymes;
Catla
;
H
pophythylmichthys molitrix
;
Labeo rohita
Introduction
Aquaculture is gaining considerable importance all
over the world as a mean of improving world fish
production which is currently on decline due to
dwindling output from capture fishery (FAO, 2009).
Expansion in aquaculture is strictly related to
improvement in nutrition, and up gradation of fish
husbandry practices- a challenge for future development
in aquaculture. Mass scale fish production heavily
depends on the amplification of proper feeding
protocols to satisfy nutritional requirements of the
cultured species.
As the aquaculture industry grows, the need for
specialized feeds designed for particular production
system and species increases proportionately. To date,
nutritionists and feed manufacturers have concentrated
their efforts on determining the feasibility and
selection of wide variety of feedstuffs available to the
feed industry for preparation of cost effective feeds.
Currently appropriate quality fish feeds in desired
quantity are not available. Majority of people use their
own farm made feeds in variety of shapes and forms.
Mash form is the most popular and convenient for use.
Limited knowledge is available about nutrient
requirements of different stages of fish and there is
very poor know how about the suitable ingredients for
balanced and effective feeds. Poor information on
different digestive processes in fish alimentary canal
is another hindrance to proper feed formulation for
particular fish species. On account of which selection
of different ingredients from large expanse available
in the market is really a challenging job which can
ensure viable growth, guaranteed health ultimately
maintaining the economics of the fish business.
Feed taken in by fish undergoes through several
mechanical and chemical processes. Once chewed and