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Articles by D.O. Umesiobi
Total Records ( 1 ) for D.O. Umesiobi
  I.P. Ogbuewu , U.E. Ogundu , M.N. Opara , I.C. Okoli , D.O. Umesiobi , U. Herbert and M.U. Iloeje
  The application of technologies in the field of male reproductive physiology has advanced greatly during past couple of decades. Since, the advent of frozen semen and artificial insemination, reproductive physiologists have attempted to manipulate male reproductive rates of mammals, sometimes successfully or sometimes not. The past five decades has resulted in phenomenal expansion in the improvement spermatozoa with direct application to livestock and medicine. Spermatogenesis had been reported to be induced in male animals using synthetic fertility drugs and local plant extracts. Sperm production and function have been improved via the use of nutritional regiments, semen extender and semen pool admixture. Currently, the sex of animal has been predetermined with 85-95% accuracy by sexing spermatozoa. The current success recorded in male assisted reproductive techniques came about due to advances in computer science, biophysics, cell biology and genetic engineering. This review will briefly cover the developments and modifications of existing sperm manipulation techniques that have direct practical applications today and in the near future in animal agriculture and bio-medicine.
 
 
 
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