The effect of age, month and season had a highly significant influence on seminal attributes in ostrich. Biometry of ostrich spermatozoa demonstrated five defined segments namely acrosome, nucleus, mid-piece, principal piece and end piece and were typically filiform in shape closely resembling those of other ratites and galliform birds. Season had a significant influence on both male and female reproductive hormones in ostrich and maximum hormone levels were noticed during winter and summer than southwest and northeast monsoon seasons. Five major protein bands identified in ostrich seminal...