Dr. A.J. DhamiCHAUDHARI DINESHKUMAR V.2017-03-062017-03-062014http://krishikosh.egranth.ac.in/handle/1/5810003933The present investigation was undertaken during the favourable breeding season (November-February) of the year 2013-2014 on six mature Surti buffalo bulls at Central Sperm Station of Department of Gynaecology and Obstetrics of the Veterinary College, AAU, Anand. The study covered evaluation of seminal characteristics in neat semen and then comparative efficacy of egg yolk based standard TFYG (Tris-citric acid-fructoseegg yolk-glycerol) extender and soybean based commercially available extenders (Bioxcell® and Optixcell®, IMV, France) using split-ejaculate technique through various morphological and functional attributes of spermatozoa extended/preserved/ processed in these extenders for refrigeration preservation (at 5°C up to 72 hrs) and cryopreservation (-196°C), including interrelationships of quality sperm parameters of fresh, refrigerated and cryopreserved semenenveterinary science, animal reproductionstudyThesis