15: Preventative, year, planning Flashcards
What is the net profit per ewe?
£2.50-£12.50
What do Clostridia and Mannheimia vaccines cover?
Dysentery, struck, pulpy kidney, braxy, Black disease, black leg, tetanus M haemolytica
At what age do you vaccinate lambs?
3-4 months (compromise due to persistence of passive protection)
When do you vaccinate ewes?
2 months before lambing, along with E Coli, and one month before tupping against abortive agents
When do you vaccinate rams?
Annual booster
What is the cost of abortion per ewe?
£85
Are vaccines against abortion live/dead/toxoid etc?
Live attenuated
How much dose toxoplasma vaccine cost?
£3
How often do you vaccinate for toxoplasma?
Biannual boosters
How much does Chlamydophila dose cost?
£2-3
How often do you vaccinate for Chlamydophila?
Annual booster
When you do give Orf vaccine?
3 months before tupping
What kind of vaccine is Orf?
Live non-attenuated
What are the three methods of quarantine?
Drench all, keep off pasture 24-48 hours for eggs to pass, turn out onto dirty pasture (dilution)
What do you give to drench all?
Levamisole, mac-lac, avermectin
What is resistance to BZs and levamisole like?
Lots of resistance
If on dirty pasture, how often do you worm?
4-6 weekly
Which are the only ewes to worm prior to tupping?
The thin ones
How many do you leave untreated at lambing?
10%
How long after turnout do you worm ewes?
3 and 6 weeks after
When do you wean, worm and put lambs on clean pasture?
5 months
What months do you treat against liver fluke?
October and January
What drug works against immature fluke larvae?
Triclabendazole
What can you use instead of triclabendazole due to resistance?
Nitroxynil and Clostantel
When should the four yearly preventative visits be?
Pre-tupping, post-tupping or mid-pregnancy, pre-lambing, post-lambing
How many ewes per ram if synchronised oestrus?
10
How many ewes per ram if not synchronised oestrus?
40-60
What should ram BCS be at tupping?
4
What BCS should ewes be at tupping?
3-3.5
What do you look for at the pre-tupping check?
Vaccines, worming, mastitis history, lameness, hypoMg/Cu/Co/Se, scouring, wool condition, feeding
When should rams have concentrates?
Through tupping
What do you check in the ram at the post-tupping visit?
BCS, worming, vaccination, foot care, external parasites
When do you scan ewes?
80-100 days
By how much do you increase feeding in the last 6-8 weeks of pregnancy?
12 ME/kg
What do you do at the pre-lambing check?
BCS, vaccination, worming, abortions, toxaemia hypoCa, prolapse, infection
What samples do you take at the pre-lambing check?
BHB, albumin, urea
What can the ewes post-lambing feeding prevent?
HypoMg
What do you do at the post-lambing check?
Explore neonatal losses e.g. hypothermia, colibacillosis, Erysipelas, coccidiosis, set targets
What % of ewes fail to raise lambs?
10%
What is the normal replacement rate?
20%
How long should you quarantine replacements for?
21 days
What do you treat replacements for?
Ectoparasites, endoparasites, footrot, CODD
What do you vaccinate replacements for?
Clostridia and mannheimia, toxo, chlamydiphila, orf, louping ill, footrot, E Coli, erysipelas
Above what % neonatal mortality is a concern?
15%
Above what % ewe mortality is a concern?
8%
