Animal Husbandry - Study Mode
[#206] The organism present in high concentration in pigeon droppings is
Correct Answer
(B) Cryptococcus neoformans
Explanation
Solution: The organism present in high concentration in pigeon droppings is Cryptococcus neoformans. Cryptococcus is an environmental fungus found all around the world in soil and is usually associated with bird droppings. While soil contaminated with pigeon droppings is the major environmental source for C. neoformans, eucalyptus and other trees and decaying hollows in living trees are the major reservoir for C.
[#207] Brucellosis disease is caused by
Correct Answer
(C) Bacteria
Explanation
Solution: Brucellosis disease is caused by Bacteria. Brucellosis is an infectious disease caused by bacteria. People can get the disease when they are in contact with infected animals or animal products contaminated with the bacteria. Animals that are most commonly infected include sheep, cattle, goats, pigs, and dogs, among others.
[#208] Black quarter diseases is cause by
Correct Answer
(C) Clostridium bacteria
Explanation
Solution: Black quarter diseases are caused by Clostridium bacteria. Blackleg, black quarter, quarter evil, or quarter ill is an infectious bacterial disease most commonly caused by Clostridium chauvoei, a Gram-positive bacterial species. It is seen in livestock all over the world, usually affecting cattle, sheep, and goats. It has been seen occasionally in farmed bison and deer. Most losses due to blackleg occur when the cattle are between the ages of six months and two years, although it can occur when they are as young as two months.
[#209] The highest lactose percentage are found in the milk of
Correct Answer
(C) Human
Explanation
Solution: The highest lactose percentage is found in the milk of humans. Lactose concentration in bovine milk is about 4.8%. People with lactose intolerance lack the enzyme, beta-galactosidase or lactase, to break down lactose into glucose and galactose during digestion. All milk, raw or pasteurized, contains lactose and can cause lactose intolerance in sensitive individuals.
[#210] The number of pre molar teeth in cattle is
Correct Answer
(A) 12
Explanation
Solution: The number of pre-molar teeth in cattle is 12. Cattle are placed in a cattle crush to restrain them before inspecting the mouth and amount of teeth that each animal has. Cattle have six premolars and six molars on both top and bottom jaws for a total of twenty-four molars. The teeth of cattle are suited primarily for grinding, and they use their rough tongues to grasp grass and then nip it off between their incisors and the dental pad.