Zahraddeen, D., Butswat, I., Kalla, D., Sir, S., & Bukar, M. (2005). Effect of Frequency of Ejaculation on Semen Characteristics in Two Breeds of Turkeys (Meleagris gallopavo) Raised in a Tropical Environment. International Journal of Poultry Science, 4(4), 217–221. https://doi.org/10.3923/ijps.2005.217.221