Some bacteria are beneficial, but others cause infectious diseases. An acute distension of the left side of a calf caused by entrapment of gases of fermentation within the rumen. A major, white, odorless and tasteless milk protein. A parasitic protozoan that causes coccidiosis, an invasion of the intestine leading to diarrhea in cattle and other animals. Thick, creamy, yellow, sticky first secretion from the cow's udder collected at the first milking after calving.
Colostrum contains antibodies that protect the calf from many diseases.
Substance found in the blood that assists in the destruction of pathogenic bacteria and other antigen materials. A measure of the ability of a material to conduct or transmit. Readily transmitted from one individual to another, with reference to an organism that causes a disease. Environmental temperature below which a calf has to expand energy to maintain its body temperature. It is calculated as the environmental temperature at which heat loss from the calf due to maintenance and utilization of feed is equal to the heat needed to maintain constant body temperature.