Animal feed provides a range of antioxidants that help the body building an integrated
antioxidant system responsible for a prevention of damaging effects of free radicals and …

Selenium (Se) is shown to be an essential element for poultry nutrition and a great deal of
information has been accumulated for the last 20 years indicating that dietary form of Se is a …

Renowned evolutionary biologists Peter and Rosemary Grant have produced landmark
studies of the Galápagos finches first made famous by Charles Darwin. In How and Why …

Oxidative stress is defined as the imbalance between prooxidants and antioxidants (in favor
of the pro-oxidants). Reactive oxygen species (ROS) are produced in the body continuously …

A total of 200 male Ross 308 chickens were used to evaluate the effects of a standardised
combination of essential oils including 5% carvacrol, 3% cinnamaldehyde and 2% capsicum …

Migrating birds perform extraordinary endurance flights, up to 200 h non-stop, at a very high
metabolic rate and while fasting. Such an intense and prolonged physical activity is normally …

This study was designed to determine the effects on laying performance and egg quality
resulting from partial substitution of soybean meal (SBM) with low-fiber alfalfa (LFA; …

During chick embryo development, there exists an antioxidant-oxidant balance in the
tissues, which supports normal embryonic development and post-hatch chick viability. This …

Interest in the imbalance between the production of reactive oxygen species and the state of
the antioxidant machinery—that is, oxidative stress—has recently grown among comparative …

The aim of this study was to determine how dietary supplementation of inorganic and
organic selenium affects the selenium concentration and glutathione peroxidase activity in …