In vertebrates and invertebrates, morphological and functional features of gastrointestinal
(GI) tracts generally reflect food chemistry, such as content of carbohydrates, proteins, fats …

After the chicken, the House Sparrow is the most widely distributed bird species in the world,
occurring on all continents except Antarctica and on most human-inhabited islands …

Calcium is an essential nutrient for avian reproduction. Calcium‐rich foods are consumed by
breeding birds for production of eggshells and for provisioning chicks that are mineralizing …

Despite the increasing knowledge on the processes involved in the acquisition and
development of the gut microbiota in model organisms, the factors influencing early …

Two experiments were conducted to study effects of dietary insoluble fiber (IF) on digestive
enzyme function in layer poultry. In Experiment 1, 8 wk old pullets were fed a control diet …

The present work is the first in a series of studies aiming at establishing a connection
between the food habits of aves and the anatomical, histological and histochemical …

To better understand how fluctuations in prey abundance may impact seabird reproductive
success, we studied short-term changes in prey populations and their effect on prey …

The term “larva” is used for many different metazoans. Although this implies a uniform
meaning, the term has in fact been used to address immatures with very different …

Animal bodies are inhabited by a taxonomically and functionally diverse community of
symbiotic and commensal microorganisms. From an ecological and evolutionary …

Objective This study evaluated the effect of yeast products on growth performance, visceral
organ weights, endogenous enzyme activities, ileal nutrient digestibility and meat yield of …