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Livestock & Forage
Pasteurella Pneumonia in lambs
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<blockquote data-quote="SteveHants" data-source="post: 6993442" data-attributes="member: 3380"><p>It may have been that the animal already had pasturella by the time you vaccinated it - vaccines are not usually successful on animals that already have a particular disease. </p><p></p><p>Although, to echo comments above, it's worth trying to figure out when pasturella might be a problem in your area and vaccinate then. I gave my ewes Bravoxin prior to lambing and the lambs Heptavac in August-September (took a gamble on any hot/dry weather we had in that period being the last we were going to have) and vaccinated then. I had read in the past and had a discussion with an immunologist - although she dealt with humans, I think (worked at Porton Down IIRC), who reckoned that two week boosters were pointless if all animals were healthy when the first jab was given, and acted more like insurance in case you missed one. Animals that don't take up a vaccine the first time (unless immunocompromised) aren't likely to do so with a booster. </p><p>Therefore I didn't ever bother with a booster either.</p></blockquote><p></p>
[QUOTE="SteveHants, post: 6993442, member: 3380"] It may have been that the animal already had pasturella by the time you vaccinated it - vaccines are not usually successful on animals that already have a particular disease. Although, to echo comments above, it's worth trying to figure out when pasturella might be a problem in your area and vaccinate then. I gave my ewes Bravoxin prior to lambing and the lambs Heptavac in August-September (took a gamble on any hot/dry weather we had in that period being the last we were going to have) and vaccinated then. I had read in the past and had a discussion with an immunologist - although she dealt with humans, I think (worked at Porton Down IIRC), who reckoned that two week boosters were pointless if all animals were healthy when the first jab was given, and acted more like insurance in case you missed one. Animals that don't take up a vaccine the first time (unless immunocompromised) aren't likely to do so with a booster. Therefore I didn't ever bother with a booster either. [/QUOTE]
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Pasteurella Pneumonia in lambs
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