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Author |
Forbes, A.B. |
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Title |
A review of regional and temporal use of avermectins in cattle and horses worldwide |
Type |
Journal Article |
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Year |
1993 |
Publication |
Veterinary Parasitology |
Abbreviated Journal |
Vet Parasitol |
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Volume |
48 |
Issue |
1-4 |
Pages |
19-28 |
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Keywords |
Animals; Anthelmintics/therapeutic use; Arthropods; Cattle; Cattle Diseases/drug therapy/*prevention & control; Ectoparasitic Infestations/drug therapy/prevention & control/veterinary; Horse Diseases/drug therapy/*prevention & control; Horses; Insecticides; Ivermectin/*analogs & derivatives/*therapeutic use; Nematode Infections/drug therapy/prevention & control/veterinary; Parasitic Diseases/drug therapy/prevention & control; *Parasitic Diseases, Animal |
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Abstract |
Ivermectin and abamectin are two members of the group of parasiticides known as the avermectins; ivermectin was first registered as an injectable treatment for cattle in 1981. Since then, abamectin has been registered for cattle and ivermectin for horses. The relative popularity of the avermectins amongst farmers and veterinarians can be attributed to their spectrum of activity, convenience, wide margin of safety and the improved health and performance of stock following their use. Patterns of use in grazing animals apply equally to the avermectins as to other antiparasitics, particularly anthelmintics; these are based on a knowledge of epidemiology integrated with practical management considerations. For cattle, programs are commonly aimed at control of abomasal nematodes of the genera Ostertagia and Haemonchus. Use of avermectins is largely strategic in cattle, treatments being favored at the end of the period of transmission of these parasites; this frequently coincides with housing, entry into a feedlot or movement to another pasture. Simultaneous control of important ectoparasites at this time is an added benefit. Prophylactic use of avermectins at pasture is primarily targeted at the young first season grazing animal. In horses, a bimonthly treatment schedule during the period of risk has proved effective in helping prevent adverse effects of the main target parasites, including large and small strongyles and stomach bots. These patterns of use can be applied to the evaluation of the potential for avermectin residues in feces to have impact on pasture ecology. The evidence presented suggests that any effects are temporally and spatially limited. After more than a decade of practical use, there is no indication that avermectins have had a significant impact on pasture ecology and the environment. |
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Address |
MERCK AgVet, Rahway, NJ 07065-0912 |
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English |
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ISSN |
0304-4017 |
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Notes |
PMID:8346632 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2665 |
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Author |
Eisgruber, H.; Stolle, F.A. |
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Title |
[Clostridia in carcasses and fresh meat--a literature review] |
Type |
Journal Article |
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Year |
1992 |
Publication |
Zentralblatt fur Veterinarmedizin. Reihe B. Journal of Veterinary Medicine. Series B |
Abbreviated Journal |
Zentralbl Veterinarmed B |
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Volume |
39 |
Issue |
10 |
Pages |
746-754 |
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Keywords |
Abattoirs; Animals; Cattle; Clostridium/*growth & development; *Food Microbiology; Horses; Meat/*microbiology; Muscles/*microbiology; Sheep; Swine |
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Abstract |
Clostridia are of large clinical importance as well as in the field of food hygiene, where they are responsible for spoilage but they also have a certain significance as food poisoning organisms. Information on the ecology of Clostridia in samples of deep muscle tissue of slaughtered animals is insufficient. This article is intended to increase the knowledge on the occurrence of different Clostridia species in slaughtered animals. The main emphasis is put on the significance of clostridia in meat hygiene. The theoretical basis of the so called original content of microorganisms (intrinsic bacteria), the factors and pathways of Clostridia spreading in muscles and organs are demonstrated. |
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Institut fur Hygiene und Technologie, Ludwig-Maximilians-Universitat Munchen |
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Language |
German |
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Original Title |
Clostridien in Schlachttierkorpern und frischem Fleisch--Eine Literaturubersicht |
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ISSN |
0514-7166 |
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Notes |
PMID:1492516 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2668 |
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Author |
Bazovska, S.; Awad-Masalmeh, M.; Kmety, E.; Spalekova, M. |
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Title |
[Legionella antibodies in domestic animals] |
Type |
Journal Article |
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Year |
1992 |
Publication |
Ceskoslovenska Epidemiologie, Mikrobiologie, Imunologie |
Abbreviated Journal |
Cesk Epidemiol Mikrobiol Imunol |
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Volume |
41 |
Issue |
5 |
Pages |
268-273 |
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Keywords |
Agglutination Tests/veterinary; Animals; Animals, Domestic/*immunology/microbiology; Antibodies, Bacterial/*analysis; Cattle/immunology; Horses/immunology; Legionella/*immunology; Legionella pneumophila/immunology; Rabbits/immunology; Sheep/immunology; Swine/immunology |
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Abstract |
Serological examination of 420 domestic animals for the presence of antilegionella antibodies indicates their high exposure to legionellae. On examination by the microagglutination reaction with a serum dilution of 1:64 or more the highest positive values were recorded in horses which reacted with antigens of L. pneumophila 1-14 in 36.2% and with antigens of another 19 types of legionellae in 47.8%. In pigs positive values recorded in 16.2% and in 21.1%; in cattle in 3.8% and 29.5%, in sheep in 7.5% and 11.3% and laboratory rabbits were quite negative. The importance of these findings with regard to the possible role of animals in the ecology of legionellae is obscure. |
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Address |
Ustav epidemiologie Lekarskej fakulty UK v Bratislave |
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Slovak |
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Original Title |
Protilatky proti legionelam u domacich zvierat |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0009-0522 |
ISBN |
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Notes |
PMID:1464079 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2669 |
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Author |
Loyola, E.G.; Rodriguez, M.H.; Gonzalez, L.; Arredondo, J.I.; Bown, D.N.; Vaca, M.A. |
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Title |
Effect of indoor residual spraying of DDT and bendiocarb on the feeding patterns of Anopheles pseudopunctipennis in Mexico |
Type |
Journal Article |
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Year |
1990 |
Publication |
Journal of the American Mosquito Control Association |
Abbreviated Journal |
J Am Mosq Control Assoc |
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Volume |
6 |
Issue |
4 |
Pages |
635-640 |
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Keywords |
Animals; Anopheles/*physiology; *Carbamates; Cattle; *Ddt; Ecology; Enzyme-Linked Immunosorbent Assay; Feeding Behavior/*drug effects; Horses; Humans; Insect Vectors; Insecticide Resistance; *Insecticides; Mexico; *Phenylcarbamates; Seasons |
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Abstract |
Intense and persistent use of DDT for malaria control has increased resistance and induced exophilic behavior of Anopheles pseudopunctipennis. An evaluation of bendiocarb and DDT to control this species in Sinaloa, Mexico, showed that, in spite of DDT-resistance, both insecticides produced similar effects. Feeding patterns were analyzed to explain these results. Resting mosquitoes were collected over the dry and wet seasons. Anophelines were tested in an ELISA to determine the source of the meals. The human blood index (HBI) ranged from 3.3 to 6.8% in DDT- and from 12.7 to 26.9% in bendiocarb-sprayed houses. Irritability and repellency in DDT-sprayed houses could explain the reduced HBI. In contrast, bendiocarb produced higher mortality. These effects could have affected different components of the vectorial capacity and similarly reduced malaria. |
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Address |
Center for Malaria Research, Chiapas, Mexico |
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English |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
8756-971X |
ISBN |
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Notes |
PMID:2098469 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2671 |
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Author |
McHugh, C.P. |
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Title |
Ecology of a semi-isolated population of adult Anopheles freeborni: abundance, trophic status, parity, survivorship, gonotrophic cycle length, and host selection |
Type |
Journal Article |
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Year |
1989 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
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Volume |
41 |
Issue |
2 |
Pages |
169-176 |
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Keywords |
Aging/physiology; Animals; Anopheles/*physiology; Breeding; California; Cattle/parasitology; Dogs/parasitology; Ecology; Feeding Behavior/physiology; Female; Horses/parasitology; Host-Parasite Relations; Male; Parity; Population Density; Rabbits/parasitology |
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Abstract |
A population of adult Anopheles freeborni near Sheridan, CA was sampled daily during 13 August-7 September 1984. Data on abundance, trophic status, and gonotrophic age were recorded. Abundance and gonotrophic age data were analyzed to estimate daily survivorship and gonotrophic cycle length. Daily survivorship for unfed mosquitoes was estimated to be 0.72 with a gonotrophic cycle of 6 days duration. Daily survivorship for bloodfed mosquitoes was estimated to be 0.74 with a gonotrophic cycle of 4 days. The 2 day difference in gonotrophic cycles between unfed and bloodfed mosquitoes was the result of the period required for maturation and mating of teneral females. In 1986, an incage release of field-collected females estimated survivorship at 0.75 per day. Precipitin tests of 1,338 blood-engorged mosquito abdomens indicated that bovids, horses, rabbits, and canids comprised 92% of bloodmeals; no bloodmeals of human origin were detected. |
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Address |
Department of Entomology, University of California, Davis |
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English |
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Abbreviated Series Title |
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ISSN |
0002-9637 |
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Notes |
PMID:2774063 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2673 |
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Author |
Konstantinov, S.A.; Veselkin, A.G. |
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Title |
[The intensity and efficiency of a gadfly attack on cattle depending on the number and location of the animals in the herd] |
Type |
Journal Article |
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Year |
1989 |
Publication |
Parazitologiia |
Abbreviated Journal |
Parazitologiia |
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Volume |
23 |
Issue |
1 |
Pages |
3-10 |
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Keywords |
Animals; Cattle/*parasitology; Diptera/*physiology; Ecology; Insect Bites and Stings/parasitology/*veterinary; Russia |
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Abstract |
The effect of group was studied on cattle being attacked by horse flies of three genera. The method of simultaneous registrations of attacking horse flies in herds of 8 to 100 animals and on single cows was used. It has been shown that the effect of group reveals itself only when animals in the herd reach a certain minimum number, the effect rate depending on peculiarities of attacking of a given species of bloodsuckers, such as a part of responding individuals, distance of an attack, duration of contact with an object. These parameters tend to change with increasing number of animals in the herd. Therefore differences in the intensity of attacks on herds with different cattle stock cannot be explained proceeding only from differences in the occupied areas. The number of attacking horse flies decreases from the periphery of the herd to its centre and is not the same in different parts of the periphery. The effectiveness of attacking, ie the part of sucking individuals of a given species (genus) from the number of horse flies attacking for a definite period of time, is the highest in a large herd and increases in its ranges from the periphery to the centre. This dependence leads to a more even distribution of sucking individuals as compared to attacking ones. |
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Russian |
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Original Title |
Intensivnost' i effektivnost' napadeniia slepnei na krupnyi rogatyi skot v zavisimosti ot chisla i mestopolozheniia zhivotnykh v stade |
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Abbreviated Series Title |
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Edition |
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ISSN |
0031-1847 |
ISBN |
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Notes |
PMID:2524028 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2674 |
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Author |
Holzapfel, W.H.; Botha, S.J. |
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Title |
Physiology of Sporolactobacillus strains isolated from different habitats and the indication of in vitro antagonism against Bacillus species |
Type |
Journal Article |
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Year |
1988 |
Publication |
International Journal of Food Microbiology |
Abbreviated Journal |
Int J Food Microbiol |
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Volume |
7 |
Issue |
2 |
Pages |
161-168 |
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Keywords |
Animals; Bacillaceae/isolation & purification/*physiology; Bacillus/*physiology; Cattle; *Ecology; Feces/*microbiology; Food Microbiology; Horses; Sewage; Sheep; Water Microbiology |
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Abstract |
In an ecological study only low numbers of Sporolactobacillus were found in habitats such as the faeces of herbivores, the rumen of cattle and the final waste water of an abattoir. Their presence in the final waste water of an abattoir indicates their possible association with food, and, more specifically, with meat. Differences were found in some physiological characteristics. One isolate (L2404) differed from the authentic Sporolactobacillus ATCC 15538 by its inability to ferment inulin, its growth in presence of 6.5% NaCl and in 0.2% tellurite, by the isomer(s) of lactic acid produced and the mol% G + G in the DNA. One Sporolactobacillus isolate (L2407) showed antagonism against Bacillus cereus, Bacillus cereus var, mycoides, Bacillus megaterium and Bacillus subtilis. |
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Address |
Department of Microbiology and Plant Pathology, University of Pretoria, Republic of South Africa |
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English |
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Abbreviated Series Title |
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Series Volume |
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Edition |
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ISSN |
0168-1605 |
ISBN |
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Notes |
PMID:3275317 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2675 |
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Author |
Sabattini, M.S.; Monath, T.P.; Mitchell, C.J.; Daffner, J.F.; Bowen, G.S.; Pauli, R.; Contigiani, M.S. |
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Title |
Arbovirus investigations in Argentina, 1977-1980. I. Historical aspects and description of study sites |
Type |
Journal Article |
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Year |
1985 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
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Volume |
34 |
Issue |
5 |
Pages |
937-944 |
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Keywords |
Animals; Arbovirus Infections/*epidemiology/microbiology; Arboviruses; Argentina; Birds; Cattle; Child; Climate; Ecology; Encephalitis Virus, St. Louis; Encephalitis Virus, Venezuelan Equine; Encephalitis Virus, Western Equine; Encephalitis, St. Louis/epidemiology/microbiology; Encephalomyelitis, Equine/epidemiology/microbiology/veterinary; Encephalomyelitis, Venezuelan Equine/epidemiology/microbiology/veterinary; Geography; Horse Diseases/epidemiology/microbiology; Horses/microbiology; Humans |
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Abstract |
This is the introductory paper to a series on the ecology of arboviruses in Argentina. Epizootics of equine encephalitis have occurred since at least 1908, principally in the Pampa and Espinal biogeographic zones, with significant economic losses; human cases of encephalitis have been rare or absent. Both western equine and eastern equine encephalitis viruses have been isolated from horses during these epizootics, but the mosquitoes responsible for transmission have not been identified. A number of isolations of Venezuelan equine encephalitis (VEE) virus were reported between 1936 and 1958 in Argentina, but the validity of these findings has been seriously questioned. Nevertheless, serological evidence exists for human infections with a member of the VEE virus complex. Serological surveys conducted in the 1960s indicate a high prevalence of infection of humans and domestic animals with St. Louis encephalitis (SLE), and 2 SLE virus strains have been isolated from rodents. Human disease, however, has rarely been associated with SLE infection. Only 7 isolations of other arboviruses have been described (3 of Maguari, 1 of Aura, 2 of Una, and 1 of an untyped Bunyamwera group virus). In 1977, we began longitudinal field studies in Santa Fe Province, the epicenter of previous equine epizootics, and in 1980 we extended these studies to Chaco and Corrientes provinces. The study sites are described in this paper. |
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English |
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Abbreviated Series Title |
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Edition |
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ISSN |
0002-9637 |
ISBN |
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Notes |
PMID:4037184 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2685 |
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Author |
Strickman, D. |
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Title |
Notes on Tabanidae (Diptera) from Paraguay |
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Journal Article |
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Year |
1982 |
Publication |
Journal of Medical Entomology |
Abbreviated Journal |
J Med Entomol |
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Volume |
19 |
Issue |
4 |
Pages |
399-402 |
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Keywords |
Animals; Cattle; Diptera/*growth & development; Dogs; Ecology; Female; Geography; Horses; Humans; Insect Bites and Stings/epidemiology/veterinary; Male; Paraguay |
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English |
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Abbreviated Series Title |
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ISSN |
0022-2585 |
ISBN |
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Notes |
PMID:7154018 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2690 |
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Author |
Iwuala, M.O.; Okpala, I. |
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Title |
Studies on the ectoparasitic fauna of Nigerian livestock II: Seasonal infestation rates |
Type |
Journal Article |
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Year |
1978 |
Publication |
Bulletin of Animal Health and Production in Africa. Bulletin des Sante et Production Animales en Afrique |
Abbreviated Journal |
Bull Anim Health Prod Afr |
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Volume |
26 |
Issue |
4 |
Pages |
351-359 |
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Keywords |
Animal Diseases/*epidemiology; Animals; Cattle; Dogs; Ecology; Ectoparasitic Infestations/epidemiology/*veterinary; Goats; Horses; Nigeria; Seasons; Sheep; Swine |
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English |
Summary Language |
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Abbreviated Series Title |
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Edition |
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ISSN |
0378-9721 |
ISBN |
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Notes |
PMID:756759 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2695 |
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