Abstract
<abstract><p>In this paper, the existence of positive periodic solution of stage-structured predator-prey model with Crowley-Martin type functional response is investigated. The prey population fall into two categories: mature and immature prey. The predator population is dependent only on mature prey and is influenced by Crowley-Martin type functional response. Based on the Mawhin's coincidence degree theory and nontrivial estimation techniques for a priori bounds of unknown solutions to the operator equation $ Fz = \mu Nz $, we prove the existence of positive periodic solution. Finally, the effectiveness of our result is verified by an example and numerical simulation.</p></abstract>
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