Depression/prevention & control; Fatty Acids, Omega-3/therapeutic use; Lactobacillus/immunology; Limbic System/metabolism; Myocardial Infarction/physiopathology; Myocardial Reperfusion Injury/prevention & control; Probiotics/therapeutic use; Amygdala/immunology; Amygdala/metabolism; Amygdala/pathology; Animals; Apoptosis; Behavior, Animal; CA1 Region, Hippocampal/immunology; CA1 Region, Hippocampal/metabolism; CA1 Region, Hippocampal/pathology; Cytokines/blood; Dentate Gyrus/immunology; Dentate Gyrus/metabolism; Dentate Gyrus/pathology; Depression/etiology; Lactobacillus/growth & development; Limbic System/immunology; Limbic System/pathology; Male; Myocardial Infarction/psychology; Myocardial Reperfusion Injury/immunology; Myocardial Reperfusion Injury/metabolism; Myocardial Reperfusion Injury/pathology; Neurons/immunology; Neurons/metabolism; Neurons/pathology; Random Allocation; Rats; Rats, Sprague-Dawley; Time Factors