Andreas Herrmann

IntroductionEvery animal production system experiences stress because of the numerous stressors on the farms. Stress is a biologically adaptive response to re-establish homeostasis (1). Heat stress is a variant of environmental stress caused by an increase in environmental temperature (and humidity) beyond the thermotolerance of an animal. Poultry birds possess a narrow range of thermoregulatory t ...

The identification of mild to moderate gizzard erosions (GE) in more than 20- 30% of the healthy commercial broilers examined in post mortem sessions, is commonly found in several countries in the Americas and Asia.The gizzard, also called muscular stomach, is composed of a koilin (keratenoid) layer and an underlying mucosa. GE is characterised by damage in the form of erosions that can become ulc ...