To achieve energy balance and maintain a constant BW, changes in feed intake and energy
expenditure must be coordinated and tightly regulated. This may not hold true for some …

Intensive selection by poultry breeders over many generations for economically important
production traits such as growth rate and meat production has been accompanied by …

1. In previous studies, a lack of agreement in measurements of plasma corticosterone
concentrations and heterophil: lymphocyte (H/L) ratio as physiological indices of stress …

Heat stress remains a challenge for all living organisms on the globe, especially in the
summer months. Heat stress is one of the most critical environmental stressors impairing the …

The commercial restricted feeding programme of broiler breeders has a major negative
effect on welfare, as the birds are continuously hungry. Objective parameters of hunger are …

Since the sequencing of the genome and the development of high-throughput tools for the
exploration of functional elements of the genome, the chicken has reached model organism …

Markers of alleles for three physiological candidate genes for reproductive traits, growth
hormone (GHR), gonadotropin-releasing hormone receptor (GNRHR) and neuropeptide Y …

Feed restriction in broilers is aimed at preventing metabolic disorders, increasing feed
efficiency, or manipulating carcass conformation. The purpose of the current study was to …

Ghrelin, a peptide hormone produced by the stomach in mammals, stimulates growth
hormone release and food intake. Recently, ghrelin was identified and characterized in …

Laboratory studies consistently demonstrate extended lifespan in animals on calorie
restriction (CR), where total caloric intake is reduced by 10–40% but adequate nutrition is …