Zengxian Wang

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The oriental eyeworm, Thelazia callipaeda (Spirurida, Thelaziidae), infects a range of definitive hosts, such as dogs, cats, foxes, rabbits, and humans. This parasite usually lives under the nictitating membrane of the eye, where the adult females release first-stage larvae into the lachrymal secretions; these larvae are subsequently ingested by the(More)
A triple one-step RT-PCR was developed to screen and differentiate virulent from avirulent Newcastle disease virus (NDV) isolates. Three sets of oligonucleotides were designed, each specific for amplifying NDV fusion protein gene-specific RNA from virulent, avirulent or all isolates respectively. The sensitivity of one-step RT-PCR was determined using viral(More)
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