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Farms.com Home  › News

Phylogenetic Analysis of Porcine Circovirus 3 Circulating in Canadian Pigs

Abstract: Phylogenetic analysis of porcine circovirus 3 circulating in Canadian pigs

Introduction: Porcine circovirus 3 (PCV3) has been detected in pigs worldwide and associated with several clinical signs.
Methods: To investigate the genetic diversity of PCV3 strains circulating in Canada, 44 PCV3 positive samples from Saskatchewan (2/44), Manitoba (2/44), Quebec (4/44), Alberta (11/44) and Ontario (25/44) submitted to diagnostic laboratories in Canada between 2019 and 2021 were sequenced and analyzed.
Results: Phylogenetic analysis of capsid genes showed that all of the 44 Canadian strains classified into PCV3a and segregated into seven lineages with common amino acid changes observed at A24V, R27K, N56D, T77S, Q98R, L150I (F) and R168K positions.

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Trending Video

We Let Dad Drive a 50,000 Pound Dump Truck

Video: We Let Dad Drive a 50,000 Pound Dump Truck



There's old hog barns under that field now. The old hog barn site on the farm has been sitting there for decades, and this is the week it finally came out: concrete pad, burn pile, charred lumber, all of it loaded into a CAT 725C rock truck and buried in a pit we dug back in the timber.

Tork's been waiting his whole life to drive one of these, so he gets the keys to a 50,000 pound rock truck and I ride shotgun. The excavator loads, the dozer clears the timber, the drone shows the whole site from above, and by sundown there's nothing left of the old place but a smooth patch of dirt. It's a weird feeling erasing something that was here before either of us, but the farm has to keep moving.

 
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