Ovivac p plus or Heptavac p plus?

farmer lee

Member
Hi, I understand you would vaccinate ewes and replacement lambs with Heptavac p plus as it covers more and provides passive immunity to lambs but why would you Ovivac store lambs instead of using Heptavac?
 
I think there is something slightly different between the two, ovivac-p has something extra for lambs I think. I use ovivac on the lambs and hept on the ewes but basically its better to use either than nothing. ovivac might be a touch cheaper too.
 

farmer lee

Member
I didn't think there is a reason to use two different ones but it states 'Heptavac p plus is the recommended breeding stock vaccine since it provides optimal aid in the control of predominant clostridial diseases in adult sheep' ... still doesn't make a lot of sense to me
 

neilo

Member
Location
Montgomeryshire
I think there is something slightly different between the two, ovivac-p has something extra for lambs I think. I use ovivac on the lambs and hept on the ewes but basically its better to use either than nothing. ovivac might be a touch cheaper too.
Correct. Heptavac P+ covers everything that Ovivac P+ does, along with lamb dysentery. That will only effect new born lambs, and not even those in the Cotswolds (& other areas?), so no advantage whatsoever in doing slaughter lambs with the more expensive vaccine. Cost about 10p/dose extra last time I worked it out. Over a lot of lambs, it might be worth consideration, over a small number, almost irrelevant I suppose.

Btw, a lot of breeding sheep on the Cotswolds are only ever given Ovivac P+. I only started using Heptavac when I moved. :)
 

farmer lee

Member
Thank you so much :) it all makes sense now.
Is lamb dysentery common in the south or anywhere does anyone know?
 
Last edited:

bj_cardiff

New Member
Location
Carmarthenshire
I've often wondered if I could dose all the lambs with Ovivac, then if I decided to keep any for replacements switching them onto Heptavac when I did the pre-lambing boosters? I've not met anyone that does tho, so I tend to use Heptavac on the lambs..
 

neilo

Member
Location
Montgomeryshire
I've often wondered if I could dose all the lambs with Ovivac, then if I decided to keep any for replacements switching them onto Heptavac when I did the pre-lambing boosters? I've not met anyone that does tho, so I tend to use Heptavac on the lambs..
The lamb dysentery cover might not be full, otherwise, it wouldn't create a problem. I believe lamb dysentery is a massive killer if you get hit, but thankfully rare these days because most sheep are covered by Heptavac or Covexin.
 

farmer lee

Member
Yes you can do it that way but your have to give them the 2 doses of Heptavac 4 to 6 weeks apart for the replacement lambs to be fully protected. You may as well carry on using Heptavac for everything if your not sure what lambs your going to keep
 

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