Cud no roughage but high levels of highly digestible starchy concentrate. Some dairy cows in intensive systems of milk production may have sub-acute acidosis because of the high rates of cereals in their diets relative to an insufficient amount of forage. However most producers provide adequate fodder in the form of hay to prevent this. Cud Cud is a portion of food that returns from a ruminant's stomach to the mouth to be chewed for the second time. More accurately, it is a bolus of semi-degraded food regurgitated from the reticulorumen of a ruminant. Cud is produced during the physical digestive
Da Vinci Science Center two dozen hands-on activities that allow visitors to interact with various scientific fields, ranging from seismology to nano technology to animation. All of the exhibits aim to help children view science as playful and interesting. Inspired by a children's book series, this exhibit explores all the qualities of animals that people tend to find disgusting. Visitors who walk through this exhibit learn about the various means of childbirth throughout the animal kingdom and the variety of nutrient sources different species rely on, from cows chewing cud to mosquitoes sucking blood. There's also a section devoted to showing what happens to