The book covers the basic anatomy and histology of the gastrointestinal tract, and the postnatal growth and functional maturation of the gastrointestinal system in neonatal pigs. It also covers the nutrition and metabolism of neonatal pigs during the early postnatal period.

1. Anatomy and histology of the gastrointestinal tract / Y. Q. Zhang and R. J. Xu -- 2. Growth and ontogeny of the gastrointestinal tract / M. Z. Fan -- 3. Gastrointestinal regulatory peptides / R. J. Xu and Y. Q. Zhang -- 4. Gastrointestinal innervation and motility / S. H. Zhang and R. J. Xu -- 5. Gastrointestinal secretory function / R. J. Xu -- 6. Digestion and absorption / W. H. Shen and E. A. Liechty -- 7. Nutrition and metabolism of neonatal pigs / Y. J. Huo, T. Wang and R. J. Xu -- 8. Composition of porcine milk / R. J. Xu -- 9. Early weaning diets and feed additives / D. F. Li, J. Y. Jiang and Y. X. Ma -- 10. Gastrointestinal disorders in neonatal pigs / D. E. King -- 11. The piglet as a model for studying parenteral nutrition / J. Mei and R. J. Xu -- 12. The piglet as a model for studying intrauterine growth retardation / T. Wang, G. L. Chou, C. Y. Chen and R. J. Xu.