Effect of ginger (Zingiber officinale) in the nutrition of african catfish-A cholesterol reducer and fertility enhancer

Olaniyi CO*, Atoyebi MO, Obafunmiso HT and Salaam KA

A twelve weeks nutritional study was carried out to study the effect Zingiber officinale on the growth performance, blood profiles, eggs and sperm quality of juvenile African catfish (Clarias gariepinus). in which juvenile African catfish (Clarias gariepinus) were fed Five diets containing 35% CP were formulated having varying inclusion levels (0, 5, 10, 15 and 20 %) of ginger (Zingiber officinale) for Diet 1, 2, 3, 4 and 5 respectively. One hundred (100) juvenile African catfish (94.24±0.02g) were randomly selected, divided into five dietary treatments and stocked at the rate of 10 juveniles per tank (120L) and replicated two times. The fish were fed add libitum twice daily and weight changes were recorded every two weeks. At the end of the feeding trials, blood samples were taken, the sperm and egg sacs were excised from the fish samples selected and the sperm and eggs were collected for analysis. Data collected on weight changes, feed-intake, blood parameters and sperm volume, percentage motility, sperm density, percentage livability and death percentage were subjected to one way analysis of variance (ANOVA) using Completely Randomized Design (CRD). 

The results revealed that fish increased significantly in weight (P < 0.05) as the level of ginger inclusion increases in diets and utilized the feed efficiently than the control. Significant differences (P < 0.05) were observed in all the growth parameters. Treatment4 (fish fed 15% ginger based diet) had the highest mean weight gain (166.71g), percentage weight gain (176.90%), specific growth rate (0.54%), protein efficiency ratio (1.64) and red blood cells (3.86cmm). Also, fish fed 15% ginger based diet (T4) recorded least alkaline phosphate (13.62u/l), alanine transaminase (67.73otu/l), ALT (22.36u/l) and Creatinine (0.18mg/dl). However, fish fed 20% ginger based diet (T5) had higher sperm motility (67.50%), sperm livability (180.85%), egg volume (40ml), egg weight(36.50g) and egg number (25600) while the least sperm motility and livability(45.00%, 92.05% ) respectively were obtained in T4. Although, the least values of egg volume, weight and number (25ml, 24g, 16500) respectively were recorded in control (T1).

Therefore, it can be concluded that 15% ginger can be included in the diet of African catfish (Clarias gariepinus) to enhance growth, good heamatological and reduced antinutrients although, greater success were recorded for reproductive performance using higher level of ginger(20%) without detrimental effect.

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Published on: May 12, 2020 Pages: 21-28

Full Text PDF Full Text HTML DOI: 10.17352/2455-8400.000052
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