EFFECT OF GARLIC AS A FEED ADDITIVE ON REPRODUCTIVE PERFORMANCE AND BODY WEIGHT OF NILE TILAPIA BROODSTOCK | ||||
| Fayoum Journal of Agricultural Research and Development | ||||
| Article 16, Volume 24, Issue 2, July 2010, Page 208-215 PDF (320.86 K) | ||||
| Document Type: Research articles. | ||||
| DOI: 10.21608/fjard.2010.195692 | ||||
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| Author | ||||
| Ahmed Abd Alla Abd El-Rahman Ali | ||||
| Central Laboratory for Aquaculture Research, Agricultural Research Center, Ministry of Agriculture, Egypt | ||||
| Abstract | ||||
| This study was conducted at commercial hatchery at Kafr ElSheikh Governorate and the analytical studies were conducted at Anim. Prod. Laboratory, Faculty of Agriculture Fayoum University to evaluate the effect of three Garlic levels (0.0, 0.5 and 1.0%) in Nile tilapia diets on their reproductive performance and their body weight. One year old Nile tilapia (Oreochromis niloticus) with average weight of 240 g 3.16 were stocked for spawning into six hapas at a density of 200 fish (150 female and 50 male) per hapa, two hapas/treatment. Hapas were fixed in earthen pond. Fish fed the tested diets at a rate of 0.5% from their total biomass. Water quality parameters were measured. Production of seed (i.e., eggs and fry production) were compared with the tested diets. The results revealed that spawned females/wk, fecundity as the number of eggs produced per female and fry production per fish were significantly affected by dietary Garlic level. The highest values were obtained with the diets contained 0.5% or 1.0 % Garlic levels. Feed conversion as a feed required to produce 1000 fry was the best with the Garlic supplementation diets. It could be concluded that tilapia diets supplemented with Garlic had a positive effect on their reproductive and feed utilization. Comparisons between tested levels may suggest the use of 0.5% Garlic level. | ||||
| Keywords | ||||
| Nile tilapia; reproductive performance; body weight and Garlic | ||||
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