The use of antibiotics and other products, such as zinc oxide, is being affected by new legislation, especially in the European Union. In this context, strengthening the immune system of pigs (among others with the use of biological products such as vaccines) and, above all, considering the importance of herd immunity has become essential for the entire swine sector worldwide.
Pig farming is a crucial industry worldwide, as pork has become the most consumed meat globally. With the high levels of productivity required by modern pigs, the emergence of new diseases, and the existence of increasingly large and dynamic farms, herd immunity has become an essential aspect of pig production, essential for the industry's sustainability and profitability.
But why is herd immunity important? What relationship does it have with pig health and farm performance? And at an economic level, how does it affect the pig sector? In this article, we analyse the importance of pig herd immunity at production level and its impact on economic aspects.