Publications

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onchocerciasis among ungulate animals in georgia. 19744436772
bluetongue and epizootic hemorrhagic disease in ruminants in georgia: survey by serotest and virologic isolation.the frequencies of precipitating antibodies to bluetongue virus (btv) and epizootic hemorrhagic disease virus (ehdv) in domestic ruminants and white-tailed deer (wtd) in georgia were 36% and 32%, respectively (n = 2,200). the frequencies of seropositivity to btv and ehdv were high among cattle (47% and 42%, respectively [n = 1,068]) and less so in wtd (36% and 34% [n = 414]). the frequencies among sheep were 34% for btv and 29% for ehdv (n = 286), whereas among goats, seropositivity was 8% for b ...19852998240
prevalence of toxoplasma gondii antibodies in nine populations of dairy goats: compared titers using modified direct agglutination and indirect hemagglutination.in a convenience survey of dairy goats on 9 farms in tennessee, kentucky, and georgia, 54 of 99 females were positive for antibodies to toxoplasma gondii as measured by the indirect hemagglutination test (iha). two of 9 males were also positive. positive goats were found on all farms. the percentage of positive does increased from 55% to 65% when the sera were titered a second time by modified direct agglutination (mdat). this difference was not statistically significant, indicating that both ih ...19902299530
status and prospects of the dairy goat industry in the united states.among the major classes of u.s. livestock, dairy goats have yet to achieve usda statistical reporting of their numbers, amounts of milk produced and processed, and cheese and other products marketed. however, the usda has published buck proofs of approximately 16,000 does annually from dairy herd improvement association (dhia) records of the alpine, lamancha, nubian, oberhasli, saanen and toggenburg breeds, thereby encouraging genetic progress. this represents a 1% participation in dhia of the e ...19968726751
breeding season and aspects of reproduction of female goats.reproductive data were collected on 608 female goats and their 1,147 offspring, involving 20 herds, from different geographical locations in georgia for 3 yr. results for seven breeds and a dairy crossbred revealed that most goats bred seasonally, commencing approximately in late june and reaching a peak in september to november. however, the pygmy had an unusual peak of mating activity during summer (july). gestation period ( +/- se) was 150.6 +/- 2.64 d. pygmies had the shortest gestation peri ...19968727991
162 cases of aldicarb intoxication in georgia domestic animals from 1988-1998.a 10-y retrospective study of aldicarb intoxication in domestic animals from 1988 to 1998 is provided from animals submitted to the university of georgia veterinary diagnostic and investigational laboratory. within the period examined, 162 separate cases were confirmed and 18 additional cases were suspected based on bioassay but could not be confirmed. some cases involving as many as 15 affected animals. dogs were most often involved, but cats, horses, cattle and goats were also poisoned. most i ...199910434377
natural infection of domestic goats with ehrlichia chaffeensis.thirty-eight domestic goats from an area of ehrlichia chaffeensis endemicity were tested for antibodies reactive to e. chaffeensis and for e. chaffeensis-specific 16s rrna gene fragments by an indirect fluorescent antibody test and a nested pcr assay, respectively. twenty-eight of 38 (73.7%) goats had antibodies reactive to e. chaffeensis (>/=1:128), and 6 of 38 (15.8%) goats were positive by diagnostic pcr; e. chaffeensis was isolated in cell culture from one goat. our data indicate that goats ...200010618139
anthelmintic resistance on goat farms in georgia: efficacy of anthelmintics against gastrointestinal nematodes in two selected goat herds.gastrointestinal nematode (gin) parasitism is a major constraint to production of goats in the southeastern united states. the conventional method of control used by producers in this region is frequent use of anthelmintics during the warm season. overuse of anthelmintics has led to an increase in the incidence of anthelmintic resistance in many parts of the world, but data on prevalence of anthelmintic resistance in gin of goats in the southeastern united states are very limited. to address thi ...200111390079
q fever--california, georgia, pennsylvania, and tennessee, 2000-2001.q fever is a zoonotic disease caused by the bacterium coxiella burnetii. the most common reservoirs are domesticated ruminants, primarily cattle, sheep, and goats. humans acquire q fever typically by inhaling aerosols or contaminated dusts derived from infected animals or animal products. its highly infectious nature and aerosol route of transmission make c. burnetii a possible agent of bioterrorism. although up to 60% of initial infections are asymptomatic, acute disease can manifest as a relat ...200212403408
multiple animal intoxications associated with carolina jessamine (gelsemium sempervirens) ingestions.neurological signs characterized by marked progressive weakness and convulsions culminating in death were observed in 3 goats over a 24-h period. affected animals were in a group of 5 goats confined toa fenced paddock: a domestic goose within the paddock was also found dead. present in the same paddock, but unaffected, were 2 other goats and an adult cow. five days prior to the animals' deaths, the owner had trimmed the surrounding brush and had thrown the cuttings into the enclosure. post morte ...200212361108
evaluation of prevalence and clinical implications of anthelmintic resistance in gastrointestinal nematodes in goats.to determine prevalence of resistance to all anthelmintics that are commonly used to treat gastrointestinal nematodes (gins) in goats.200312930089
rabies surveillance in the united states during 2002.during 2002, 49 states and puerto rico reported 7,967 cases of rabies in nonhuman animals and 3 cases in human beings to the centers for disease control and prevention, an increase of 7.2% from the 7,436 cases in non-human animals and 1 case in a human being reported in 2001. more than 92% (7,375 cases) were in wild animals, whereas 7.4% (592) were in domestic species (compared with 93.3% in wild animals and 6.7% in domestic species in 2001). compared with cases reported in 2001, the numbers of ...200314690203
capability of the nematode-trapping fungus duddingtonia flagrans to reduce infective larvae of gastrointestinal nematodes in goat feces in the southeastern united states: dose titration and dose time interval studies.infection with gastrointestinal nematodes, particularly haemonchus contortus, is a major constraint to goat production in the southeastern united states. non-anthelmintic control alternatives are needed due to increasing resistance of these nematodes to available anthelmintics. two studies were completed in central georgia in august 1999, and april-may 2000, using spanish does naturally infected with haemonchus contortus, trichostongylus colubriformis, and cooperia spp. to evaluate effectiveness ...200415063939
validation of the famacha eye color chart for detecting clinical anemia in sheep and goats on farms in the southern united states.recent studies on sheep and goat farms in the southern united states indicate that multiple-anthelmintic resistance in haemonchus contortus is becoming a severe problem. though many factors are involved in the evolution of resistance, the proportion of the parasite population under drug selection is believed to be the single most important factor influencing how rapidly resistance develops. therefore, where prevention of resistance is an important parallel goal of worm control, it is recommended ...200415265575
infection of a goat with a tick-transmitted ehrlichia from georgia, u.s.a., that is closely related to ehrlichia ruminantium.we detected a novel tick-transmitted ehrlichia in a goat following exposure to lone star ticks (amblyomma americanum) from a park in the metropolitan area of atlanta, ga, u.s.a. nineteen days after infestation with field-collected adult ticks, the goat developed a fever of two days duration, which coincided with mild clinical pathologic changes and the presence of dna from a novel ehrlichia in peripheral blood. the goat transmitted ehrlichiae to uninfected nymphal a. americanum that fed upon the ...200617249337
accuracy of the famacha system for on-farm use by sheep and goat producers in the southeastern united states.famacha is a practical on-farm system designed to provide small ruminant producers a tool for improving their management of haemonchus contortus infections. although this system has become very popular and widely accepted by small ruminant producers in many regions of the southern united states, there is very limited data reported on the effectiveness of the famacha system when performed by farmers. the objective of this study was to evaluate the accuracy of the famacha system for on-farm use by ...200717482368
natural and experimental infection of white-tailed deer (odocoileus virginianus) from the united states with an ehrlichia sp. closely related to ehrlichia ruminantium.an ehrlichia sp. (panola mountain [pm] ehrlichia sp.) closely related to ehrlichia ruminantium was recently detected in a domestic goat experimentally infested with lone star ticks (lsts, amblyomma americanum) collected from georgia, usa. the infected goat exhibited pyrexia and mild clinical pathologic abnormalities consistent with ehrlichiosis. at least two other ehrlichia species (ehrlichia chaffeensis and ehrlichia ewingii) are maintained in nature by a cycle involving lsts as the primary vec ...200818436670
efficacy of anthelmintics on south american camelid (llama and alpaca) farms in georgia.the number of south american camelid (sac; llama and alpaca) farms is growing in the southeastern united states, and infection with gastrointestinal nematodes (gin) is a major health concern in this region. there is widespread resistance to anthelmintic remedies in small ruminants (sheep and goats), but a paucity of information on llamas and alpacas. anthelmintic resistance was evaluated on three sac farms (two llama; one alpaca) in georgia in the southern united states using fecal egg count red ...201020462700
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