Using 2-by-4-inch boards as forms and leaving a 1/2-inch clearance under the boards produces a 4-inch thick walkway slab. At this thickness, 1 cubic yard of concrete covers about 80 square feet of walkway.ase Thickness. A base or bed of gravel between 4 and 8 inches thick supports the concrete walkway. Pack the gravel using a vibrating plate tamper to produce a firm bed for the concrete. Never pour sidewalks or walkways over grass or sod.
Alpha-CD is a one dose C & D toxoid for all types of cattle. Aids in the reduction of enterotoxemia caused by Clostridium perfringens Types C & D toxins. Unique DD-2 adjuvant maximizes immune response while stimulating a high degree and long duration of protection. A single dose provides protective levels of immunity.
Five diseases that are usually fatal to cattle are included in this group of clostridial diseases-tetanus, malignant oedema, blackleg, enterotoxaemia and black disease. These diseases are not directly transmissible to humans from cattle.ive diseases that are usually fatal to cattle are included in this group of clostridial diseases-tetanus, malignant oedema, blackleg, enterotoxaemia and black disease. These diseases are not directly transmissible to humans from cattle.