How to Reasonably Apply Vitamin Feed Additives Vitamins are catalysts for biochemical reactions and metabolism in animals, and are indispensable micronutrients for maintaining normal physiological functions and maintaining normal growth and deve…

1. INTRODUCTION The lychee   (Litchi chinensis Sonn) an important sub-tropical evergreen fruit crop belonging to family Sapindaceae, is believed to have originated in China, where it has been grown in Southern Guangdong state for thousand of y…