mysql Ошибка [1064] : EXECUTE

URI: index.php?option=com_agility&task=dogs&opt=sibling&id=3710&Itemid=12
Message: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'and id <> 3710' at line 4
SELECT COUNT(*) FROM elx_agl_dogs WHERE birthday = "2015-05-02" and father_id = 308 and mother_id = and id <> 3710

mysql Ошибка [1064] : EXECUTE

URI: index.php?option=com_agility&task=dogs&opt=sibling&id=3710&Itemid=12
Message: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'and id <> 3710 LIMIT 0,50' at line 5
SELECT * FROM elx_agl_dogs WHERE birthday = "2015-05-02" and father_id = 308 and mother_id = and id <> 3710 LIMIT 0,50