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Poultry gut health
The efficient conversion of feed into its basic components for optimal nutrient absorption is vital for both broiler and broiler breeder production and welfare. Gut health, an intricate and complex area combining nutrition, microbiology, immunology and physiology, has a key role to play. When gut health is compromised, digestion and nutrient absorption are affected which, in turn, can have a detrimental effect on feed conversion leading to economic loss and a greater susceptibility to disease. In addition, recent changes in legislation on the use of antimicrobials, differing feed requirements and more efficient birds highlight the need for a better understanding of gut function and gut health.
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INTRODUCTION The physical form of the diet is a tool to improve broiler live performance, especially feed efficiency. However coarse feed particles enhance gizzard function, which was referred to as the pacemarker of gut motility (Xu et al. 2015a, Xu et al. 2015b, Kheravi et al. 2017). Studies respect to particle size impact on health, digestive efficiency and broiler performance were developed more than 60 years ago (Pacheco et al. 2014, Xu et al. 2015a, Xu et al. 2015b)....
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INTRODUCTION Pelleting is the most common form of thermal processing used in broiler feed manufacturing, aggregating the particles of ingredients into a cylinder by means of mechanical pressure, moisture, and temperature. A wide range of temperature and moisture can be used during conditioning, usually from 60°C to 100°C and 12 to 18% moisture (Hancock, 1992). Increase in feed intake (FI) is among the main reasons that motivate agroindustries to pellet feeds...
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Introduction Animals used for food production have been genetically selected for feed intake and muscle development (or milk and egg production) and are therefore divergent from their ancestors. In addition, these animals are reared in conditions that favor fast spread of pathogens. The high uptake of feed and the fast growth make these animals prone to intestinal disorders, what has been neglected in the past because of the use of low doses of...
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In the recent years, Hankkija, together with professor Filip van Immerseel’s research group at the University of Ghent in Belgium, have studied the mechanism-of-action of dietary...
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Necrotic enteritis (NE) is an important enteric disease in poultry, caused by the overgrowth of certain Clostridium perfringens strains, which evokes intestinal tissue damage. In its acute clinical form, the disease is characterized by a sudden increase in flock mortality, and gross lesions that are usually, but not always, restricted to the small intestine. In the sub-clinical form, no peak mortality is observed, but intestinal damage will lead to decreased nutrient digestion and...
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New Generation of Water-Soluble Probiotics to Alleviate Gut Health Challenge During Feed Transition Period in Broiler Production
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INTRODUCTION Under current production systems, turkeys have traditionally been protected from pathogenic microorganisms by vaccination and antibiotics. For decades, subtherapeutic doses of antibiotics have commonly been used within the poultry industry to improve production performance and reduce pathogenic microbial challenges. However, negative consumer perception and increased regulatory guidance prohibiting the use of growth promoters or antibiotics within the animal...
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Caring for birds’ health is an essential factor in achieving good production levels. When diseases such as coccidiosis afflict birds, they cause physical losses for the flock and economic losses for producers. Recent estimates show that annual losses...
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Guillermo Tellez (University of Arkansas) presented published results conducted on a Bacillus direct-fed microbial to increase performance, during the 8th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Yeast products certainly have a role in supporting the performance and gut health of animals but choosing the right one can be tricky as there are plenty of products with similar claims. The yeast product manufacturers naturally emphasize those characteristics in...
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1. Introduction Redox biology is a very quickly developing area of modern biological sciences, and roles of redox homeostasis in health and disease have recently received tremendous attention [1–6]. There are a range of redox pairs in cells/tissues responsible for redox homeostasis maintenance/regulation. They include, but are not limited to, NAD+/NADH, NADP+/NADPH, GSSH/GSH (glutathione system), Trxox/Trxred (thioredoxin system), protein thiolsox/protein thiolsred. It is...
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Introduction Wheat and barley as alternative cereals can be successfully replaced with corn in poultry diets. These grains could locally grow in many areas of the world and have lower water requirements than corn (Ravindran et al. 1999; Lin et al . 2010). The major components of wheat and barley are starch and proteins, though they have considerable content of non-starch polysaccharides (NSP), derived from the cell walls (Olukosi et al . 2007;...
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Last April 29, 2021, Biovet S.A. organized a videoconference with the theme: “ Improving profitability, performance and welfare with natural additives “ During the talk, were detailed some of the most common mistakes...
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Introduction Poultry producers attempt to control infectious diseases through a variety of means, including appropriate farm management practices and breeding genetically resistant lines (Sartika et al. 2011; Scott et al. 2018). Unfortunately, existing farming conditions favour increased chicken densities in poultry houses, increasing the risk of spreading entero-pathogens such as Salmonella and Clostridium spp. (FAO 2013). For over half a century, veterinarians and poultry...
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INTRODUCTION Coccidiosis is a major enteric disease of chickens that is caused by several distinct species of Eimeria protozoan parasites infecting different areas of the gut. Coccidiosis primarily damages epithelial integrity in the intestine decreasing nutrient utilization and resulting in an annual loss of over $3.2 billion in the poultry industry globally (1–3). With the onset of coccidiosis, Eimeria elicits a local inflammatory response in the intestine, increasing...
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