2016 Senior Contest Questions Flashcards
Name 3 raw milk quality tests.
ADV-acid degree value, detects rancidity; antibiotic test, tests for presence of antibiotics; freezing point, detemines if water has been added; PI-Preliminary Incubation count, tests for bacteria that grow at cooler temps; SCC count, counts amount of somatic cells which can cause off flavors; Standard Plate Count-measures bacterial content of milk; sediment test; flavor test
Name 3 undesirable recessive diseases and the breed they occur in.
Brown Swiss-Weaver, Spiderleg; Holstein-BLAD (Bovine leukocyte adhesion deficency), Bulldog, Hairless, Dwarfism, Mule-Foot, Pink Tooth, DUMPS; Jersey-Limber Legs, Rectovaginal Constriction NO undesirable recessive traits documented for Ayrshire, Guernsey, Milking Shorthorn
Name 3 physiological functions of water in the body.
transports nutrients, carry waste to point of excretion, cool body at high environmental temps, functions as a universal solvent, lubricates joints, fluid base for milk, substrate for metabolic reactions
List 4 parts of the cows reporductive tract.
ovary, oviduct, uterus, cervix, vagina
Name 4 organ systems in the body.
skeletal, muscular, circulatory, respiratory, digestive, reproductive, endocrine,
Name the three primary nutrients in fertilizer.
nitrogen, phosphorus, potassium N-P-K
Name three microorganisms found in the rumen.
bacteria, fungi, protozoa
Name two signs and symtoms of navel ill.
Signs: swollen, red navel cord and poor appetite; Symptoms: fever; listless
Name 2 advantages of IVF as compared to ET.
IVF-can be performed more frequently, oocytes can be collected more frequently, one unit of semen can fertilize eggs from several dams, several different bulls can fertlize eggs from one elite cow
Name 3 milk components that increase in concentration in mastitic milk.
lipase, sodium, chloride, leukocytes, immunoglobulins, trace minerals
Name 3 milk components that decerase in concentration in mastitic milk.
lactose, total proteins, casein, solids-not-fat, totoal solids, fat, calcium, phosphorus, potassium
Name 3 parts of a free stall.
support post, stall partition, neck rail, stall surface (bedding, mattress), rear curb, brisket board (tube)
Name 4 processes for which a cow uses the nutrients from feed.
growth, production, reproduction, maintenance
Name 3 solutions used as a tead dip?
chlorine, iodine, hydrogen peroxide, chlorhexidine, bronopol, DDBSA, quaternary ammonia
Name 4 steps in a good mastitis control program.
Use functionally adequate milking equipment in the correct manner; Dip teats after milking with an effective product; Treat clinical cases immediately with recommended dosages; Treat every quarter of every cow at dry off with an effective dry cow product; Cull chronic cows.
Name 4 advantages to custom heifer services.
Decreased labor requirement; Increased milking herd management; Increased facility capacity for milking cows; Herd expansion without capital investment with use of existing facilities; Increased feed inventory for milking cows; Potential for better replacement heifers
Name two reproductive hormones present in both cows and bulls.
FSH and LH
Limber Legs is an undesirable genentic trait found in which breed?
Jersey
Name the two phases of the estrous cycle.
follicular (active follicles present), luteal (corpus luteum is dominant ovarian structure)
Name the 4 stages of the estous cycle.
estrus, metestrus, diestrus, proestrus
Ammonia emissions reduce with what dietary substance?
proteins and carbohydrates (need verification)
At what age do the first symptoms of Johne’s disease appear?
2-4 years
Who developed the butterfat test?
S.M. Babcock
Who is the mascot for the Gail Borden company?
Elsie the Cow
