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.
Blackleg: Rapidly fatal disease of cattle caused by infection of the muscles Usually associated with dirty wounds, grazing muddy winter feed crops, after calving, using dirty vaccination needles or ear markers.Malignant oedema: Lesions very similar to blackleg.lostridial diseases in cattle almost always results in death and although they may not involve a significant number of animals, the value of the cattle lost is significantly higher than the cost of vaccine to protect the cattle from Clostridial disease.