Spirulina platensis AS NUTRITIONAL PROMOT R FOR SEXUAL PUBERTY IN RAHMANY SHEEP | ||||
| Journal of Agricultural Chemistry and Biotechnology | ||||
| Article 3, Volume 28, Issue 5, May 2003, Page 4001-4012 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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