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.
What is the cause: Enterotoxemia is caused by the bacterium Clostridium perfringens, Types C and D. Under certain conditions, the bacteria produces toxins that will show signs that will frequently cause animal death. Clostridium perfringens is found universally in the soil and manure.It is also present in certain amounts in the intestinal tract of the sheep and most mammals. The bacteria normally inhabits the lower digestive tract and causes no harm to the animal.lostridium perfringens is found universally in the soil and manure. It is also present in certain amounts in the intestinal tract of the sheep and most mammals. The bacteria normally inhabits the lower digestive tract and causes no harm to the animal.