Poor thrift in Farm animals

Question 1

poor thrift - define

Answer 1

failure to gain weight as expected

Question 2

why are thin adults a problem

Answer 2

economic cost
mating - incr anoestrpus length, decr conception + ovulation rates
early pregn - decr placental development
late pregn - incr risk metabolic disease
lactation - decr milk production
welfare

Question 3

poor thrift with normal appetite

Answer 3

poor quality/quantity of feed
trace element deficiency
maldigestion/malabsorption
parasitism

Question 4

poor thrift with abnormal appetite

Answer 4

GI nematode parasitism
abnormal appetite may not be obvious if outdoor
dental disease
lameness

Question 5

poor thrift with normal appetite + adequate nutrition

Answer 5

johnes disease
tumours
chronic disease

Question 6

7 point herd investigation

Answer 6

1 - define + refine problem
2 - history
3 - distance exam
4 - clinical exam +/- PME
5 - ancillary aids/diagnostic tests
6 - analysis + decision making
7  - report back + monitor