Understanding the processes that change the shape and composition of farm animals is fundamental to all aspects of production. Showing the progression from cell to tissue to entire animal, this comprehensive textbook provides an essential broad base for animal production, with key information on how animals grow and change in shape and composition, and factors that affect these processes. Illustrated with new photographs and focus boxes highlighting vital points, this updated third edition includes a new chapter on avian growth, an important source of protein for the expanding population. Providing a thorough yet student-friendly approach to the subject, this book continues to fill the important role of helping readers to understand how the basics of growth must be thoroughly understood if farm animals are to be used efficiently and humanely in producing food for mankind.