Exam 1: Neonatal Diarrhea Flashcards
What are the colostrum Qs?
Quality
Quantitiy
Quickness
What pathogens are calves at risk of w/o enteric immunity?
E. coli Rota virus Corona virus Cryptosporidia Salmonella
What is the desired colostrum intake for a calf?
> 10 mg/ml or > 10 g/L
~100-150 g for standard calf
What is quality colostrum feeding?
3-4 qt in first feeding
2 qt second feeding 6-8 hours later
What temperature does cold stress happen at in calves < 21 days? < 21 days?
< 21 days - 60*F
> 21 days - 42*F
When do you wean a calf?
consuming 2# of dry starter per day for 2 consecutive days
What are 3 advantages to intensified feeding programs?
- cost of lean gain
- milk production (mammary development, size of heifer, earlier into milking string)
- Immune response and calf health
What should a serum TP be representing adequate passive transfer?
> 5.5 G/dL
What are three calf program goals?
- Double birth weight by day 56 (i.e. 180 lbs)
- calf mortality < 5%
- calf morbidity < 10%
What age will you see E. coli diarrhea?
Under 5 days
What age will you see Clostridium diarrhea?
5-10 days
Age of rota virus diarrhea?
1-2 weeks
Age of salmonella diarrhea?
2-6 weeks
Age of corona virus diarrhea?
few days to few weeks
Age of ryptosporidium diarrhea
5-35 days
