2022 Dairy judging written test practice| NURSUNG 412

2022 Dairy judging written test practice|NURSING 412what is the MOST common reason for culling cows from a dairy herd? Correct Answer: low milk production Abortion during the last half of pregnancy is a symptom of the non-curable disease called: Correct Answer: Brucellosis A lactating dairy cow weighing 1400 lbs and producing 80 lbs of milk per day requires gallons of water per day if the temperature is 60 degrees Correct Answer: 31.9 which is one of the MAJOR factors in the shift of milk production in the US to the west and southwest? Correct Answer: warmer and dryer climate What age is it recommended that all calves be dehorned at? Correct Answer: One-two weeks Longer and leaner neck, cleaner and more angular, and sharper over the shoulders are terminologies which describe: Correct Answer: Dairy character With proper nutrition, heifers should reach the right size for breeding at about: Correct Answer: 14-15 months What is the average gestation period for cows? Correct Answer: 283 days Which class of milk is used for ice cream? Correct Answer: II What percentage of the dry matter in the dairy ration should come from roughages? Correct Answer: 60-80% The teat-cup assembly and the suspension cup are parts of the: Correct Answer: Milking unit Which calving interval is most profitable? Correct Answer: 12-13 months The larval stage of the heel fly migrates through the body of cattle, eventually creating a hold in the skin, along the animal's back. Swellings, called warbles, appear on the back of the animal. What is the name of this external parasite? Correct Answer: Cattle grub The most common off flavor in raw milk is caused by: Correct Answer: Feed The Ayrshire breed was imported to the US in Correct Answer: 1822 The Brown Swiss breed was imported to the US in Correct Answer: 1869 The Guernsey breed was imported to the US in Correct Answer: 1831