A&P Comparative

Question 1

Brucellosis

Answer 1

Caused by brucella abortus. In cows causes late term abortion and shedding in the milk. In bulls causes orchitis infertility and shedding in the semen. Reportable disease. Vaccine RB-51. Positive cattle are culled

Question 2

IBR (Infectious bovine rhinotracheitis)

Answer 2

Fever, nasal discharge, conjunctivitis, coughing, dyspnea, hyperemia of the muzzle. can cause abortions. Mostly young cattle get it in highly stressful situations. “red nose”

Question 3

Foot and mouth disease

Answer 3

Highly contagious, zoonotic. HIgh fever oral lessions with sringy or foamy saliva, blisters on feet, weight loss, decline of milk production. Transmitted by coughing and sneezing. Positive animals culled 1-2 mile quarantined. present in Asia, Africa, South America. Not in North America, Australia, Europa

Question 4

Bovine viral diarrhea (BVD)

Answer 4

Caused by pertivirus. mucosal erosions, diarrhea are acute signs. Chronic signs - shed the virus causing reproductive loss throughout the heard. MLV vaccine. Supportive care not usually deadly

Question 5

Black leg disease

Answer 5

Clostridium chauvoei. Swelling causes Sub-Q emphysema . Antibiotics, burn upper soil needs to be caught early. Vaccine available.

Question 6

Vesticular stomatitis

Answer 6

Zoonotic. erosions and ulcers mainly on mouth feet and udder, prepuce, and coronary band. Transmitted by mosquitos. Quarantine, supportive care until ulcers heal 7-10 days. No vaccine, is reportable.

Question 7

Strangles

Answer 7

Streptoccus equi, horse distemper. Infection of the nasopharynx. Causes abscesses and swelling of the lymph nodes. Vaccine. Penicillin, isolation 6 weeks.

Question 8

West Nile

Answer 8

Mosquetos. Crosses BBB and interferes with CNS function. Muscle weakness, stumbling or tripping, head pressing or head tilting, loss of appitite, circling, fever, convolsions, coma, death. Vaccine.

Question 9

EPM (Equine protozoal myelitis)

Answer 9

Caused by protozoa sarcocysis neurona. Not transmitted horse to horse definitive host is possum from birds. Ingested sporscysts pass into bloodstream and BBB. Asymmetrical neurologic signs. Anti-protozoal meds, 3-6 months for TX. Spinal tap and blood work to diagnose.

Question 10

Pigeon Fever

Answer 10

Corynebacterium pseudotuberculosis. Painful swelling of pectoral muscles, ventral abdomen or inguinal area, mild fever, lamness, reluctance to move. Highly contagious, rarely fatal, lives in soil. Lance abscess, keep clean, isolate, abx, novaccine

Question 11

Cranial mesenteric artery

Answer 11

Common anerism sight in horse. caused by parasite Strongylus vulgaris. blockage of artery or its branges causes colic

Question 12

Estrous

Answer 12

Female reproductive cycle

Question 13

Estrus

Answer 13

Stage within the cycle when the female is receptive to the male. Heat

Question 14

Polyestrous

Answer 14

More then one period of estrous in a year

Question 15

Seasonal polyestrous

Answer 15

Certain season usually march-september

Question 16

Monestrus

Answer 16

Once per year

Question 17

Dieestrus

Answer 17

Twice per year

Question 18

Corpus luteum (yellow structure)

Answer 18

Temporary endocrine structure- group of specialized cells on the ovaryy that produce progesterone

Question 19

Estrogen

Answer 19

Allows for receptivity to bull or stallion, produced in ovary

Question 20

FSH

Answer 20

Stimulates maturation of the follicle, produced in the pituitary gland.

Question 21

Luteninizing hormone

Answer 21

Stimulates ovulation of the mature follicle, produced in the pituitary gland.

Question 22

Follicle

Answer 22

Sac like structure in the ovary that contains the oocyte

Question 23

Prostaglandin

Answer 23

Secreted by uterus to kill th CL ( decreases the progesterone)