Ludovic Lahaye

I. INTRODUCTION Early life stress may have a negative impact on the performance of broiler flocks. It has been observed that a severe cold stress (12°C below the normal temperature) throughout the life cycle of broilers negatively impacts production parameters (Su et al., 2020) and immune system development (Zhao et al., 2013). The use of vitamins and other molecules with antioxidant propertie ...

The increased demand to reduce production costs, as well as concerns about the environment, have resulted in pressure on poultry producers to increase dietary energy utilisation and to improve feed efficiency. Usually, technologies such as exogenous enzymes that are supplemented in the diets have been one of the main pathways used to reach these goals. Xylanase is well known to produce positive ef ...

1 IntroductionThe rising number of recently reported human illnesses with bacterial infections resistant to multiple antibacterial agents has become a fundamental concern in recent years [1, 2]. This phenomenon has become a serious concern with regard to the emergence of antibiotic-resistant bacteria called “superbugs” [3, 4], especially when considering that humans only started using ...