Iron deficiency anemia is: select one: a. less common than aplastic anemia b. the most common type of anemia worldwide c. is seldom associated with concurrent helicobacter pylori infection d. is improved by concurrent parasitic helminths

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.