Effect of season on Ejaculate Quality of three phenotypes of Nigerian Local Cocks

Twenty four (24) adult Nigerian local cocks comprising 8 normal, frizzle and naked-neck were subjected to two ejaculations per week for seven weeks in each season (early rain, lale early dry late seasons) using the massage technique. Ejaculates both physical chemical evaluations. Results showed a significant (P<0.01) seasonal effects between phenotypes reaction time. In all seasons, had higher ejaculate volume, sperm motility total than normal cocks. A highly phenotype by interaction was observed with producing better quality ejaculates during when compared other phenotypes. Significant (P<0.05) differences noted percent abnormal among seasons. There no interactions (P>0.05) most of parameters (Na+1, K+1, Ca2+, Mg2+, protein) evaluated. However, gradual increase seminal protein peak season. The cations (particularly sodium, potassium calcium) chloride constituents significantly lower at From these results it concluded that appear superior semen output under humid tropical environment.