Abstract
Piglets experience severe growth challenges and diarrhea after weaning due to nutritional, social, psychological, environmental, and physiological changes. Among these changes, the nutritional factor plays a key role in postweaning health. Dietary protein, fibre, starch, and electrolyte levels are highly associated with postweaning nutrition diarrhea (PWND). In this review, we mainly discuss the high protein, fibre, resistant starch, and electrolyte imbalance in diets that induce PWND, with a focus on potential mechanisms in weaned piglets.
Highlights
Weaning is sudden and stressful and one of the most challenging periods in a pig’s life [1]
Evidence suggests that specific dietary interventions, such as the control of protein [19, 20], fibre [21], starch [22], electrolyte balance [23], and other constituents in the daily diet, could reduce the proliferation of certain postweaning nutritional diarrhea (PWND) [11, 24, 25]. e purpose of the present review is to summarize several common kinds of PWND in order to better expound the role of nutrition in causing and modulating PWND in pigs
Weaning is a grand challenge in the swine industry, which frequently induces severe intestinal disorders and gut diseases, raising serious economic and public health concerns
Summary
Weaning is sudden and stressful and one of the most challenging periods in a pig’s life [1]. Weaned pigs are usually stressed by nutritional, psychological, environmental, physiological, and social factors [2, 3]. Because of such stressors, piglets are often characterized with reduced growth performance and an increased prevalence of diarrhea after weaning [4, 5]. E dietary composition is a major factor influencing the intestinal microbial ecosystem [14, 15]. Considering the balance between the intestinal microbial ecosystem and the composition of the diet, postweaning nutritional diarrhea (PWND) is a major problem during the postweaning period [11, 16]. Evidence suggests that specific dietary interventions, such as the control of protein [19, 20], fibre [21], starch [22], electrolyte balance [23], and other constituents in the daily diet, could reduce the proliferation of certain PWND [11, 24, 25]. e purpose of the present review is to summarize several common kinds of PWND in order to better expound the role of nutrition in causing and modulating PWND in pigs
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