%0 Journal Article %A Zhaohui Wen %D 2010 %J International Journal of Mathematical and Computational Sciences %B World Academy of Science, Engineering and Technology %I Open Science Index 43, 2010 %T Existence of Periodic Solutions in a Food Chain Model with Holling–type II Functional Response %U https://publications.waset.org/pdf/1116 %V 43 %X In this paper, a food chain model with Holling type II functional response on time scales is investigated. By using the Mawhin-s continuation theorem in coincidence degree theory, sufficient conditions for existence of periodic solutions are obtained. %P 881 - 884