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Hybridization presents a unique challenge for conservation biologists and managers. While hybridization is an important evolutionary process, hybridization is also a threat formany native species. The endangered species recovery effort for the red wolf Canis rufus is a classic system for understanding and addressing the challenges of hybridization. From(More)
Serum samples from 228 coyotes were selected randomly from a serum bank assembled from Texas from 1975 to 1984 and were evaluated serologically for neutralizing antibodies against canine distemper virus (CDV). One hundred and twenty-eight (56%) of the 228 coyotes had antibody titers of greater than or equal to 1:5 against CDV (seropositive). The serologic(More)
One of seven female coyotes (Canis latrans) captured in Webb County, Texas during September 1986 and confined and mated in holding facilities at Millville, Utah whelped the following spring. The maternal female (greater than 5-yr-old) and her five neonates were killed at 22 days postparturition. All were infected with adult Ancylostoma caninum and were(More)
The prevalence of serum antibodies against canine parvovirus-2 (CPV-2), as measured by a standard hemagglutination-inhibition test, was determined in serum samples collected from 1,184 coyotes (Canis latrans) in Texas, Utah, and Idaho from 1972 to 1983. No evidence of parvoviral infection was found before 1979, after which seroprevalence rapidly increased(More)
Between August 1993 and September 1994 we documented serological responses of coyotes (Canis latrans) vaccinated with two commercial rabies vaccines licensed for use in domestic dogs. Serologic responses were documented by testing for rabies virus neutralizing antibodies with the rapid fluorescent focus inhibition test (RFFIT) at 30, 90, 180, 270, and 365(More)
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