New supplements for liquid pig feed

In the world of liquid pig feed, developments are ongoing. New products focus on gut and immune health, addressing the reduced global use of prophylactic antibiotics.


t is well known that liquid feeding provides some impor- tant benefits over dry feed in pig production, chief among them the capacity for producers to make quick diet adjustments and to more easily mix in new supple-

ments at appropriate rates. There are indeed many new sup- plements on the market these days that can be put into either liquid or dry feeds but, while the practice of liquid feeding is extremely widespread in Western Europe, it is cur- rently limited in North America, according to Jan Bebber, di- rector of global marketing and supply chain at Ohly. “However,” he adds, “the high prices of dry feed, as well as the

improved performance and health and well-being of the ani- mals with liquid feed, have driven the increased use of liquid feed in North America.” Globally, the market for liquid feed supplements is expected “to grow at a healthy rate of about 5% [compound annual growth rate] CAGR in the coming years,” reports Bebber, “with Asia Pacific expected to become the biggest market.” He also notes that as more countries push forward with reducing or completely replacing antibiotic growth promoters, the use of supplements that replace antibiotics in liquid feed “will grow considerably in the next few years”. Dr Lan Zheng, swine technical sales manager with Biomin America, agrees that feed additives such as acids, probiotics and phytogenics in both dry and liquid forms have gained more attention after producers started seeking alternatives to antibiotics. She notes, however, that, depending on the type of production system, liquid forms of additives are preferred over powders for their ability to reduce gastric pH and enteric pathogens, as well as for their cost-effectiveness.

Two different

types of black sol- dier fly larvae

meal. The top one (darker in colour) is defatted and the bottom one (lighter) is full fat.

32 ▶PIG PROGRESS | Volume 36, No. 4, 2020

Major change of focus Looking back, there has been a major change in focus in sup- plements for liquid pig feeds over the last few years. “Supple- ments for liquid feeds were developed years ago in the Cana- dian and European markets, mainly to boost digestibility,” notes Dr Lee-Anne Huber, professor of swine nutrition at the University of Guelph in Guelph, ON, Canada. “More recently, with in-feed growth-promoting and prophylactic antibiotic use on the decline or banned completely, supplements are now more focused on gut health. They include probiotics, en- zymes and other feed additives that help in gut development or in generating favourable metabolites such as lactic acid. Acids improve digestibility and also make the stomach envi- ronment less favourable for the growth of bad bacteria.” For his part, Dexter Abrigo, Southeast Asia Pacific marketing manager for Novus International, believes that the use of or- ganic acid in water may be the most common solution ex- plored by the swine industry as antibiotic use decreases, and these substances have been well documented as having anti- bacterial and even antiviral properties. He points to a recent study in which various feed supple- ments, including those that contain fatty acids, were tested for their ability to mitigate viruses. The study, conducted at



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