Hazard: When scaffolds are not erected or used properly, fall hazards can occur. About 2.3 million construction workers frequently work on scaffolds. Protecting these workers from scaffold-related accidents would prevent an estimated 4,500 injuries and 50 fatalities each year.
The amount of immunoglobulin ingested is also a major determinant of final serum immunoglobulin concentration. A practical rule-of-thumb is to feed 5 to 6% of the calf's body weight within the first 6 hours and repeat the feeding when the calf is about 12 hours old. For an 80 pound calf, this will equate to approximately 2 quarts of colostrum per feeding.
Colostrum is the only source of antibodies to. the calf.â. The most critical time period for getting. colostrum antibodies into a calf is during the. first four hours of its life â when the gut wall. is open and the antibodies can be absorbed. into the bloodstream. After those first few. hours, the gut lining begins to close. By 24.