Page 641 - Veterinary Immunology, 10th Edition

temperamental Brahman bulls, it was found that calm bulls had
VetBooks.ir elevated neutrophil L-selectin expression and increased neutrophil

phagocytic and oxidative burst activity when compared to
temperamental bulls, 48 hours posttransportation. By 96 hours,

neutrophil phagocytosis, oxidative burst, and cell adhesion
molecule expression were enhanced in all bulls, but the effects were
most pronounced in calm bulls.

FIG. 20.17 Some of the ways in which the central nervous system
and the immune system interact.

Stress can be due to something as simple as early weaning, which

reduces IL-2 production in piglets. Stress in pregnant sows results
in immunosuppression of their offspring. Thus confinement stress
late in pregnancy results in the birth of piglets with T and B cells

that have a reduced ability to respond to mitogens. Both morbidity
and mortality are increased in piglets from stressed sows. A
different form of stress may result from mammalian social

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