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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP
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    Abstract - Issue Jul 2016, 37 (4)                                     Back


nstantaneous and historical temperature effects on a-pinene

The effects of dietary inclusion of garlic on growth performance and disease resistance of African catfish (Clarias gariepinus) fingerlings against Aeromonas hydrophila infection 

 

N. Eirna-liza1,4, Che Roos Saad1, Hasliza Abu Hassim2 and Murni Karim1,3*

1Department of Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia

2Department of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400, Serdang,

Selangor, Malaysia

3Laboratory of Marine Biotechnology, Institute of Bioscience, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia

4University College of Agroscience Malaysia, 78000, Alor Gajah, Malacca, Malaysia

*Corresponding Author E-mail: murnimarlina@upm.edu.my

 

 

 

Publication Data

Paper received:

26 April 2015

 

Revised received:

20 May? 2016

 

Accepted:

25 May 2016

 

Abstract

The present study aimed to investigate the effects of dietary inclusion of garlic (Allium sativum) peels and cloves on the growth performance and disease resistance of African catfish (Clarias gariepinus) fingerlings against Aeromonas hydrophila infection. Seven isonitrogenous (36% protein) experimental diets were formulated to contain graded levels of garlic (peels and cloves) at 0, 10, 20 and 30g.kg-1. Fish were fed twice a day for 12 weeks. The results demonstrated that no significant differences were observed with respect to growth performance or feed utilization efficiency (i.e., body weight gain (WG) (133 ? 0.3g), specific growth rate (SGR) (2.23 ? 0.04%), and feed conversion ratio (FCR) (1.00 ? 0.2g) of fish fed with different inclusion levels of garlic peels and cloves as compared to control group. The plasma biochemical results showed higher total protein, albumin and globulin content in control group (T1) as compared to the experimental groups, but these results were not significant. After the fish were challenged with A. hydrophila, low survival (13 %) was found in control group which was significantly lower as compared to all the treatment groups (> 35 %). Meanwhile, the highest survival (64%) was observed for fish fed with garlic cloves at 20g.kg-1 (T3). The results showed that inclusion of garlic cloves at 20 g.kg-1 could enhance the resistance of African catfish fingerlings to A. hydrophila infection. ??  

 

 

 Key words

African catfish, Aeromonas hydrophila, Disease resistance, Garlic clove, Garlic peel, Growth performance

 

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