of nutritionists often dictate which ingredients are incorporated into the diet formulation.
Generating nutritional ingredient profiles Thanks to technological advances in analytical services, it is economically feasible to generate regular detailed nutri- tional profiles of ingredients. That development enables ac- curate and precise diet formulation while giving access to previously inauspicious feedstuff of unknown or variable nutrient profiles. Nutrient analysis of incoming feed ingredients, regardless of whether they are of plant or animal origin, should be regu- larly conducted to minimise the risk of any unexpected nu- trition-related issues on the farm. This is especially true for vegetable proteins known to have components that are det- rimental to young pigs in high amounts, such as trypsin in- hibitors, lectins, β-conglycinin, saponin, gossypol and other polyphenols. Diligently balancing the amounts of these anti-nutritional factors that are introduced into the complete diet minimises the risk of negative effects on performance. Enzyme-treated specialty soy proteins do just that. By applying high quality raw materials in a patented bioconversion process, Hamlet Protein lowers the anti-nutritional factors while still main- taining good digestibility and an intact amino acid profile, ensuring better gut health and growth of young animals.
Replacing animal-based proteins The growing trend of replacing animal-based proteins with vegetable proteins is more evident in the poultry industry. A vegetarian diet may reduce feed costs, but one of the main drivers to replace animal-based proteins in poultry diets is to capture growing niche markets that put a premium on food products labelled “organic”, “all natural”, “no antibiotics ever” or “fed an all-vegetable diet”. There is also a desire to transition to all-vegetable diets to minimise the risk of necrotic enteritis induced by Clostridium perfringens associated with diets containing animal proteins. At the moment, a direct link between animal-based nursery diets and proliferation of C. perfringens has not been elucidat- ed in young pigs. Nonetheless, early adopters have already begun the transi- tion to animal-free diets, mainly to address biosecurity and regulatory concerns. Besides, is it far-fetched to contemplate the potential spread of African Swine Fever virus through the feed that is reminiscent of the controversy behind the spread of Porcine Epidemic Diarrhoea virus to North America? Although there is currently little to no consumer demand for pigs fed diets free of animal protein per se, the trend will likely follow that of the poultry sector and prompt the ever-shifting swine industry to adjust.
References available upon request. ▶ PIG PROGRESS | Volume 37, No. 3, 2021 33
Young, newly weaned pigs always need dedicated care.
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