The model developed in this paper differs from models using the lead-time crashing approach by explicitly specifying the source of the lead-time reduction cost (i.e., increasing procurement cost), which allows for analyzing the impact between lead-time reduction and buyerâsupplier interactions.
Skin color - patchy. Patchy skin color is areas where the skin color is irregular. Mottling or mottled skin refers to blood vessel changes in the skin that cause a patchy appearance. Considerations. Irregular or patchy discoloration of the skin can be caused by: Changes in melanin, a substance produced in the skin cells that gives skin its color.
Molting is the natural shedding of old feathers and growth of new ones. Chickens molt in a predictable order beginning at the head and neck, proceeding down the back, breast, wings and tail. While molting occurs at fairly regular intervals for each chicken, it can occur at any time due to lack of water, food or sudden change in normal lighting conditions.