Leptospira Antibody Production by Bovine Fœtuses

Fennestad, K. L.; Borg-Petersen, C.

doi:10.1038/1801210a0

Cited by 26 publications

(4 citation statements)

References 3 publications

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“…6) as a strong humoral immune response is mounted by the mammalian host [Fennestad and Borg-Petersen, 1957;Fennestad et al, 1968;Levett, 2001;Ratnam et al, 1983b;Ratnam et al, 1983c]. The mammalian host strives to eliminate the pathogen via the antibody-complement system.…”

Section: Immune Phase: Assay Of Anti-leptospiral Antibodies By Mat Ementioning

confidence: 99%

Insights into Leptospirosis, a Neglected Disease

Sritharan¹

2012

Zoonosis

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Section: Immune Phase: Assay Of Anti-leptospiral Antibodies By Mat Ementioning

confidence: 99%

Insights into Leptospirosis, a Neglected Disease

Sritharan¹

2012

Zoonosis

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“…Large numbers of Leptospira are present in the stroma and villi of the placenta. A role for the latter was documented over 50 years ago for calves infected in utero with L. interrogans serovar Saxkoebing [19]. As illustrated in Table 1 for the outbreak of leptospirosis on Farm OF, infection of pregnant mares produces an outcome that varies from death of the fetus in utero to delivery of a healthy foal.…”

Section: Discussionmentioning

confidence: 99%

“…Fetal survival to term in many cases may depend on the balance between degree of tissue damage and ability to mount a protective immune response. A role for the latter was documented over 50 years ago for calves infected in utero with L. interrogans serovar Saxkoebing [19]. The presence of specific antibodies in their fluids indicates fetuses survived in utero for 2 weeks or longer following infection.…”

Section: Discussionmentioning

confidence: 99%

Multiple specificities of immunoglobulin M in equine fetuses infected with Leptospira interrogans indicate a competent immune response

Velineni

Timoney

Artiushin

et al. 2015

Equine Veterinary Journal

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“…It is also known that some antigens will not stimulate antibody formation until a period after parturition. Lambs do not become competent to produce antibody to Salmonella typhi until six weeks of age (1,6,7,12,14,17).…”

Section: Discussionmentioning

confidence: 99%

Studies on horizontal transmission of bovine leukosis

Oc¹

1971

Archiv f Virusforschung

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SummaryA group of five newborn calves and a second group of seven calves of different breeds with a minimum age of six weeks, were placed in contact with animals with clinical cases of bovine leukosis for a period of five years. Among the newborn calves, one --a "Fleckvieh ''1 --developed tumorous leukosis in which many lymph nodes, the heart and the pylorus were affected. Two others in this group --also "Fleckvieh" --have moderately elevated lymphocyte counts, one of them developed enlarged prescapular lymph nodes. Those cattle brought in contact with diseased animals at a minimum age of six weeks remained --4 of them were Holsteins --normal throughout the course of the experiment. It is suggested that 1) neonatal cattle are more susceptible than those that are six week of age or older and 2) that the "Fleckvieh'-breed may be just as susceptible to leukosis as the Holstein one. It does not seem to have an inherited resistance againgt leukosis. ZusammenfassungZwei Gruppen yon Rindern verschiedenen Alters wurden mit Leukosekiihen in Isolierst/illen gehalten. Die eine Gruppe mit 5 Tieren war neugeboren, die andere mit 7 Tieren in einem Mindestalter yon 6 Wochen in Kontakt gekommen. Die Rassenverteilnng ist in den Tabellen festgehalten. Drei Tiere der Gruppe, die neugeboren in Kontakt kam, zeigen nach 5 Jahren Kontakt Ver/~nderungen: Ein Fleckviehrind kam mit tumorSser Leukose nieder, die beiden anderen --auch Fleckviehtiere --zeigen m/~l~ig erhShte Lymphozytenwerte, eines davon auch vcrgrSSerte Buglymphknoten. Die Tiere der Gruppe, die sp/~ter in Kontakt kamen, weisen keine Ver/s auf, die auf das Vorliegen einer leukotischen Erkrankung schliel~en lassen kSnnten. Daraus wird geschlossen, dab 1) neugeborene K/~Iber empfiinglicher sind als/~ltere Tiere, 2) Fleckviehtiere genauso empf/~nglieh sein kSnnen wie schwarzbunte und keine genetisch bedingte Resistenz gegen Leukose besitzen.

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Leptospira Antibody Production by Bovine Fœtuses

Cited by 26 publications

References 3 publications

Insights into Leptospirosis, a Neglected Disease

Insights into Leptospirosis, a Neglected Disease

Multiple specificities of immunoglobulin M in equine fetuses infected with Leptospira interrogans indicate a competent immune response

Studies on horizontal transmission of bovine leukosis

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