EFFECT OF STOCKING RATE AND ORGANIC FERTILIZATION ON THE GROWTH PERFORMANCE OF TlLAPlA AU REA ( Oreochromf’s aureus)
Hassan,, A., Hassan, A., Ibrahim, E., Mahmoud, S. (2006). EFFECT OF STOCKING RATE AND ORGANIC FERTILIZATION ON THE GROWTH PERFORMANCE OF TlLAPlA AU REA ( Oreochromf’s aureus). EKB Journal Management System, 31(2), 617-625. doi: 10.21608/jappmu.2006.235419
Amal S. Hassan,; A. A. Hassan; E. M. Ibrahim; S H. Mahmoud. "EFFECT OF STOCKING RATE AND ORGANIC FERTILIZATION ON THE GROWTH PERFORMANCE OF TlLAPlA AU REA ( Oreochromf’s aureus)". EKB Journal Management System, 31, 2, 2006, 617-625. doi: 10.21608/jappmu.2006.235419
Hassan,, A., Hassan, A., Ibrahim, E., Mahmoud, S. (2006). 'EFFECT OF STOCKING RATE AND ORGANIC FERTILIZATION ON THE GROWTH PERFORMANCE OF TlLAPlA AU REA ( Oreochromf’s aureus)', EKB Journal Management System, 31(2), pp. 617-625. doi: 10.21608/jappmu.2006.235419
Hassan,, A., Hassan, A., Ibrahim, E., Mahmoud, S. EFFECT OF STOCKING RATE AND ORGANIC FERTILIZATION ON THE GROWTH PERFORMANCE OF TlLAPlA AU REA ( Oreochromf’s aureus). EKB Journal Management System, 2006; 31(2): 617-625. doi: 10.21608/jappmu.2006.235419

EFFECT OF STOCKING RATE AND ORGANIC FERTILIZATION ON THE GROWTH PERFORMANCE OF TlLAPlA AU REA ( Oreochromf’s aureus)

Journal of Animal and Poultry Production
Article 3, Volume 31, Issue 2, February 2006, Page 617-625  XML PDF (641.39 K)
Document Type: Original Article
DOI: 10.21608/jappmu.2006.235419
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Authors
Amal S. Hassan,1; A. A. Hassan2; E. M. Ibrahim2; S H. Mahmoud3
1Central Laboratory for Aquaculture Research, Abbassa, Abo-Hammad, Sharkia Governorate, Egypt . “Animal Production Institute, by'P
2Central Laboratory for Aquaculture Research, Abbassa, Abo-Hammad, Sharkia Governorate, Egypt .
3Animal Production Institute, by'Product Utilization Dept, Agriculture Research Center, Dokki, Giza ,Egypt.
Abstract
This study was carried out to investigate the effect of stocking rate of tilapia
aurea (Oreochrcrnfs aureus) and fertilization rate on the growth performance , water
quality in 18 earthen ponds (1000 m2 f pond) representing two stocking densities
[1500 and 2000 fish per pond) along with three manuring rate (150,250 and 350 kg
chicken manure l fedden ) . Average initial weight was 65.8 g ffish .Results obtained
can be summarized as follows :
1-Regardless of stocking tensity, increasing the fertilization rate from 150 to 350 kg
lfeddan increased significantly (p < 0.05 Jthe body weight and length during all
experimental periods -On the other hand ,increasing the stocking density from 1500
to 2000 fish l pond decreased significantly body weight and length .
2-Treatments applied released significantly effects on carcass trait tested .
3-The average of water quality parameters as affected by treatments during the
present study within the range recommended for fish cultured.
Based on the results obtained it could be recommended that, the using of
chicken manure 350 l feddan weekly with stocking density 1500 tilapia aurea lpond ,
had the higher yield and carcass quality
Keywords
Oreochromfs aureus; Organic fertilizer; Stocking rate; Poultry manure
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