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Aly,, M., Omar, M. (2003). Spirulina platensis AS NUTRITIONAL PROMOT R FOR SEXUAL PUBERTY IN RAHMANY SHEEP. Journal of Agricultural Chemistry and Biotechnology, 28(5), 4001-4012. doi: 10.21608/jacb.2003.244630
M. S. Aly,; M. A. Omar. "Spirulina platensis AS NUTRITIONAL PROMOT R FOR SEXUAL PUBERTY IN RAHMANY SHEEP". Journal of Agricultural Chemistry and Biotechnology, 28, 5, 2003, 4001-4012. doi: 10.21608/jacb.2003.244630
Aly,, M., Omar, M. (2003). 'Spirulina platensis AS NUTRITIONAL PROMOT R FOR SEXUAL PUBERTY IN RAHMANY SHEEP', Journal of Agricultural Chemistry and Biotechnology, 28(5), pp. 4001-4012. doi: 10.21608/jacb.2003.244630
Aly,, M., Omar, M. Spirulina platensis AS NUTRITIONAL PROMOT R FOR SEXUAL PUBERTY IN RAHMANY SHEEP. Journal of Agricultural Chemistry and Biotechnology, 2003; 28(5): 4001-4012. doi: 10.21608/jacb.2003.244630

Spirulina platensis AS NUTRITIONAL PROMOT R FOR SEXUAL PUBERTY IN RAHMANY SHEEP

Article 3, Volume 28, Issue 5, May 2003, Page 4001-4012  XML PDF (1.08 MB)
Document Type: Original Article
DOI: 10.21608/jacb.2003.244630
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Authors
M. S. Aly,1; M. A. Omar2
1Agricultural Microbiology Dept National Research Centre, Dokkl, Cairo, Egypt
2Animal Reproduction Dept National Research Centre, Dokkl, Cairo, Egypt
Abstract
Seven cyanobacteria groups recorded in Wadi-EL-Natrun lakes included five
genera (two Sp < /em>iro/ina, two Oscillatona • one Nostoc, one Ch/om/fa and one ~avicu/s) .
 
Spirofina was isolated from EI-Khadra lake. Behelra, Egypt. The alga was
identified as Spiro/ina p/atensis, and purified as axenic strain. Effect 0 antibiotic
treatment on the Spiro/ina p/atensis was studied. Bacterioplankton were different in
their antibiotic sensitivity, ampicillin was more effective. Axenic Spirufina p/atensis
strain (bacteria free) was cultivated on a large-scale. The dry biomass algal yield
contains as high as 60 % crude protein, Sp < /em>irofina dry biomass added to t~e diet of
Rahmany male sheep in the rate of 50g/Kg signifICantly increased Ca, P, Mg and Cu
concentrations in tl'le blood serum of the animals. This treatment reduced t e period
to puberty and sexual maturity to 69 % of that in control animals. Moreover, addition of
Spirofina to the diet significantly increased semen volume, semen activity and number
of sperms in unit volume. As Sp < /em>iro/ina could optimize tI'le blood picture and
accelerates growth of male sheep, it could be recommended as growth prcroter in
the diet of sheep and similar animals.
Keywords
Spiro/ina; isolation; identifICation; toxicity; sheep promoter
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