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In modern poultry production, success and profitability are closely linked to both physiological and welfare parameters. Environmental and nutritional inputs influence physiological mechanisms, ultimately affecting live performance and slaughter outcomes.
Plant-derived isoquinoline alkaloids have been shown to have a positive impact on gut integrity due to -- their anti-inflammatory properties.
Yolk color is one of the important factors for the customer's acceptance of poultry eggs. Since birds are unable to synthesize carotenoids biologically, carotenoid pigments are widely used to supplement layer feed for yolk color enhancement. Marigolds and paprika oleoresins are usually the sources of carotenoids, and free carotenoids are produced by the saponification of marigolds and paprika oleoresins.
During the late 1980s, it was discovered that pharmacological concentrations (1,500 to 3,000ppm) of zinc oxide (ZnO) resulted in reduced post weaning diarrhoea (PWD) and increased growth in weanling pigs. It had been widely used at such dosages to control E. coli F4 infections.
Broiler chickens grow rapidly, and their nutrient requirements change daily. However, broilers are fed three to five diet phases, meaning nutrients are under or oversupplied throughout production. Increasing diet phases improves production efficiency as there is less time in the production cycle that nutrients are in under or over-supply.
Feeding the world's population is an ever-increasing challenge. It is expected that in 2023 the earth's 8 billionth citizen will be born. Supplying the population with sufficient food is a more pressing issue today than it has ever been, increasing the pressure on livestock producers to produce sufficient, safe protein sources for human consumption efficiently and sustainably.
It is widely agreed that establishing and maintaining good gut health is an effective strategy against intestinal pathogens and is the cornerstone to competitive animal production. In the past, this strategy was only made possible through the routine use of antibiotic growth promoters (AGPs) in the feed.
Due to their immature immune system calves are very susceptible to intestinal and respiratory diseases in the first weeks of life. Challenges, e.g. adverse climate conditions or social stress promote proliferation of infectious agents such as E. coli, Rota and Corona virus and Cryptosporidia resulting in intestinal microbiota imbalances.
Within the context of adapting fertiliser and fertilising laws and ordinances and the current discussions on climate-relevant impacts of agriculture, the focus keeps on shifting to emissions from dairy cattle husbandry. It should be taken into account here that modern dairy cattle husbandry is not an end in itself. Generally, the keeping of dairy cattle serves to produce milk for human consumption.
The outbreak of African Swine Fever has led to questions about biosecurity in the worldwide feed sector. Are feed entrepreneurs doing enough? Are they prepared for future outbreaks? Johan den Hartog (GMP+ International), Victor Volkers (Q-Point), Hans van den Heuvel (Trouw Nutrition) and Lourens Heres (Sonac) share their thoughts on biosecurity measures and the challenges the sector faces.
It is generally agreed that good gut health is effective against intestinal pathogens, a strategy that has only been made possible through the removal of antibiotic growth promoters in feed. Creating and maintaining a healthy intestinal environment has become essential to productivity and food safety programmes alike. Maintaining a healthy gut requires up to 25% of the daily protein and 20% of the dietary energy supplied with the feed.
Methionine (Met) is an essential amino acid and is usually the third limiting amino acid after lysine and threonine in typical swine diets. When supplying Met in swine diets it is important to consider its vital metabolic functions beyond growth performance.
Increasing post-ileal fibre fermentation in monogastric animals creates a number of beneficial effects such as increased nutritive value of feedstuffs and augmented intestinal barrier function. Intestinal barrier function is largely influenced by composition and healthiness of commensal microflora relative to potentially pathogenic microflora.
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