Farm Animal Diarrhea

Question 1

Importance of D+ in Livestock

Answer 1

Question 2

Three Factors Involved with D+ in Livestock

Answer 2

Question 3

Acute v. Chronic D+ in Calves

Answer 3

Question 4

Acute v. Chronic D+ in Adult Cows

Answer 4

Question 5

Acute v. Chronic D+ in Lambs (less than 3wks)

Answer 5

Question 6

Acute v. Chronic D+ in Lambs (3-12 weeks)

Answer 6

Question 7

Acute v. Chronic D+ in Post weaned lambs

Answer 7

Question 8

Dealing with on Farm Issues with FA D+ cases

Answer 8

Question 9

E. Coli

Answer 9

Question 10

Enterotoxigenic E.Coli

(ETEC)

Answer 10

Question 11

Shiga-toxin producing E.Coli (STEC)

Answer 11

Question 12

Johnes Disease -MAP

Answer 12

Question 13

Prevention and Diagnosis of Johnes Disease

Answer 13

Question 14

Esophageal Groove in Pre-Weaned Calves

Answer 14

• DONT ALWAYS THINK PATHOGEN WITH CALF D+
• Esophgeal goorve needs to close over to go straight to abomasum and avoid fermentation of milk in calves! Need to behave as a monogastric animal before weaning
• If it doesn’t close properly, may get a rudimentary rumen forming and the gut will become very upset
• So we need to think of the way we feed them, height of the bucket, stresses around feeding
• Need to keep a bit of routine in feeding and HYGIENE

Question 15

Winter Dysentary in Cattle

Answer 15

• explosive diarrhea going down a row of cattle (will literally move down the row if they are housed in groups) . Horrific while it is happening and low milk yields, can recover though!!
• but it will affect fertility and conception rates as well and milk yields down
• milk yield only slowly comes back, the D+ only lasts about 3-4 days though
• Winter Dysentery is a highly contagious GI disorder that affects housed adult dairy cattle primarily during winter.
• Winter dysentery can spread throughout an entire herd within 7 to 10 days

Question 16

Watery Mouth in Lambs

Answer 16

• Watery mouth disease can quickly progress to coma and death.
• Watery mouth disease is commonly encountered in twins but especially triplet lambs aged 12 to 36 hours kept in unhygienic conditions.
• Affectedlambs are dull, lethargic, depressed and reluctant to suck
• prevent by ensuring colostrum intake!!

Question 17

E.Coli Interpretation

Answer 17

Question 18

Rotavirus

Answer 18

Question 19

Coronavirus

Answer 19

Coronavirus

Question 20

Crypto

Answer 20

Question 21

Salmonella

Answer 21

Question 22

Coccidiosis

Answer 22

Question 23

Bovine Viral Diarrhea Virus

(BVDV)

Answer 23

Question 24

Labile Toxin

LT

Answer 24

Question 25

Stable Toxin

(ST)

Answer 25

Question 26

E.Coli O157:H7

Answer 26

STEC- Human Disease

• along with other serotypes O26:H11, O103:H2

1. Attaching & effacing lesions in the gut
2. Shiga like toxin absorbed

Question 27

Johne’s Disease Clinical Signs

Answer 27