Weaver Working (IMAGE) University of Exeter Caption The study found that, while dominants and subordinates had comparable levels of antioxidant protection before the breeding season, once the intensive six-month breeding period had passed, the hardest working dominant females were suffering from weakened antioxidant protection. Credit Dominic Cram Usage Restrictions Must credit Dominic Cram License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.