articles about immunity

Figure 5: Trial design: Groups, time point of vaccination and blood collection (Chuaychu et al., 2024). Adapted by S. Casiró from (Chuaychu et al., 2024).

Boosting vaccine response in maiden gilts through a profitable nutritional strategy

Beta glucans can boost the vaccinal response, thus helping to achieve an optimal vaccinal response. If they are supplied during enough time to cover the whole vaccination programme this strategy could be an option to improve the vaccine response.

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NutritionArticle

Strengthening piglet immunity: Strategies to overcome weaning challenges

Nutrition plays a major role in the immune response. The interaction of different dietary components with other factors such as environment, health status, and genetics plays an important role in modulating the immune response.

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NutritionPress releases

Olmix Immuno’Science: a forum for immunity and gut health

Olmix organized the “Immuno’Science forum” in Porto, an event dedicated to immunity and gut health, to highlight the importance of those functions to secure animal health and performance.

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HealthArticle

Summary of the 27th IPVS and 15th ESPHM-ECPHM: sanitation, immunology, vaccines

In this second installment, Antonio Palomo summarizes the papers and posters on health, immunology, and vaccines presented at the latest edition of the IPVS and ESPHM-ECPHM in Leipzig.

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HealthAbstract

333 Emerging Voices: Evaluating the nonspecific protection of an immunostimulant based on heat-inactivated Mycobacterium bovis against Salmonella Choleraesuis infection in pigs

Master's thesis from the Institute for Game and Wildlife Research (IREC), University of Castilla-La Mancha (UCLM). Directed by Prof. Dr. Christian Gortázar Schmidt and Prof. Dr. María de los Ángeles Risalde Moya.

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HealthArticle

Maternally derived immunity on immune responses elicited by piglet early vaccination: examples from respiratory and systemic pathogens

Depending on the levels of maternal derived immunity, a potential interference of vaccine intake may happen, jeopardizing vaccine seroconversion and efficacy.

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NutritionArticle

The role of vitamins in the piglet immune response

Are we forgetting the importance of vitamin levels in the post-weaning diet in the post-zinc oxide era?

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Figure 3.  An additional cost of a long-term alert is the deterioration of appetite and, consequently, a prolonged fattening period. Since the pressure from environmental stressors affects individual animals differently, there will be a differentiation in the weight of weaners or fattening pigs of the same age. Weight differentiation among animals of the same age may have serious economic consequences. Also, especially in young animals, a diet that does not contain nutrients essential for strengthening the anti-infectious resistance may make the animals more vulnerable to infection.

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Impact of stress on immune function, health, and productivity (2/2)

We conclude this two-part series by Professor Pejsak by examining how immune stress affects the pig's body, gut, and production.

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Figure 2. Minutes or hours after stress occurs, the hypothalamic–pituitary–adrenal (HPA) axis is activated. Pituitary gland secretes corticotrophin, which, reaching the adrenal cortex, causes the secretion of glucocorticoids, including cortisol. Glucocorticoids inhibit the activity of the pituitary and hypothalamus, thanks to which they regulate the intensity of the stress response. Cortisol has been widely used as a marker of stress in swine, also as a noninvasive test from saliva.

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HealthArticle

Impact of stress on immune function, health, and productivity (1/2)

What exactly goes on in a pig's body when exposed to acute or chronic stress? What implications does stress have on production? Professor Pejsak draws on decades of research to answer to explain.

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NutritionArticle

Intestinal microbiota of pigs determines the response to vaccines

Bacteria in the gut microbiota that stimulate the immune response to vaccines in pigs also stimulate growth.

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HealthAbstract

T-cell epitope content comparison (EpiCC) of swine H1 influenza A virus hemagglutinin

EpiCC thresholds can be evaluated for predictive accuracy of protection in future efficacy studies.

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HealthAbstract

Rotavirus C: prevalence in suckling piglets and the influence of maternal immunity on disease development

Insufficient lactogenic protection provided by gilts plays a key role in the development of and the increased prevalence of clinical rotavirus C disease.

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Figure 1: Ciliated pseudostratified epithelium with goblet cells, characteristic of the respiratory system.

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The pig's respiratory system and its defense mechanisms

What kind of cells make up the respiratory defense system of pigs? How do they organize and communicate with each other?

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HealthAbstract

A neutralizing monoclonal antibody-based competitive ELISA for CSF C-strain post–vaccination monitoring

The novel cELISA demonstrated excellent agreement and high level correlation with VNT. It is a reliable tool for sero-monitoring of C-strain vaccination campaign.

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