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“We know that vaccinating can decrease the amount of viruses in the air, so vaccination is a good mechanism to prevent airborne transmission” Swine veterinary consultant Dr. Carmen Alonso in Spain picks out lessons from her detailed studies of air samples inside and outside farms suffering an outbreak of PRRS, influenza A or porcine epidemic diarrhoea --- as well as poultry sites with highly pathogenic avian influenza.
Rutger Jansen
“Our recent work demonstrated the presence of the PCV-3 genome within mild-to moderate histological lesions of aborted fetuses.
In this video Dr. Mike Murtaugh discusses vaccine cross-protection on various PCV2 strains: PCV2a, PCV2b & PCV2d. He also talks about the outbreaks of PCVAD and how correct usage of the vaccine is key.
Prof Joaquim Segalés and Dr Oliver Duran Porcine circovirus type 2 (PCV2) was initially detected in the late 1990s in North America and Europe associated with a post weaning multisystemic wasting syndrome in pigs.
Greg Stevenson
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1. Colostrum phase
On average sows produce about 5 litres of colostum, where every piglet needs 250 ml each
Colostrum is released within 15 hours of the birth-process starting
Animal welfare is becoming an extremely important consideration in pig rearing. The safety of vaccines is an important factor in this. Stressful treatments have negative impact on weight gain. Careful observation is essential and can make all the difference:
While the advice below is generally applicable there may be exceptions, particularly for vaccines that are not delivered intramuscularly.
Avoid vaccination during the first 10 days of life*: Energy-intake may be impaired because pigs that are vaccinated need more time before they resume sucking the sow again.
Mycoplasmal infections (i.e. M.hyo) in piglets occurs typically at an age of 6-8 weeks after passive (maternal) immunity wanes.
Early infections with M.hyo are a clear indication of a poor and unstable immunity in the sow herd leading to the production of poor quality colostrum
Injecting, what’s the theory?
Most vaccinations in piglets are administered intramuscularly in the neck, behind the ear.