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Urogenital infection and seminal excretion after inoculation of bulls and rams with chlamydiae.
Am J Vet Res. 1976 May; 37(5):517-20.AJ

Abstract

Five mature rams and 4 bulls were inoculated parenterally with bovine or ovine chlamydial strains of type 1 and 2. One to 3 days later, all animals developed a chlamydemia lasting 4 to 8 days. Chlamydial agents were isolated from the semen near the end of the chlamydemic phase. All rams and 3 of 4 inoculated bulls excreted chlamydiae in the semen for 22 to 29 days. From 8 to 39 days after inoculation, selected rams or bulls were killed to test for chlamydial infection in the urogenital tract and other organs. Chlamydiae were isolated in developing chicken embryos from testis, epididymis, and accessory sex glands. Bulls examined 29 and 39 days after inoculation did not harbor chlamydiae. Chlamydiae were also not isolated from 3 control bulls which were from the same herd as the principal bulls. All inoculated bulls and rams had a group-specific chlamydial antibody response within 7 days. The titers reached maximal levels of 128 to 512 at 14 days after inoculation. Subsequently, the antibody titers decreased gradually. Seminal plasma collected at different times after animals were inoculated did not fix complement in the presence of chlamydial group antigen. The number of polymorphonuclear leukocytes in the semen increased during the experiment. The semen was grossly purulent in 2 rams inoculated with the type 2 chlamydial strain of polyarthritis.

Authors

No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

1275335

Citation

Storz, J, et al. "Urogenital Infection and Seminal Excretion After Inoculation of Bulls and Rams With Chlamydiae." American Journal of Veterinary Research, vol. 37, no. 5, 1976, pp. 517-20.
Storz J, Carroll EJ, Stephenson EH, et al. Urogenital infection and seminal excretion after inoculation of bulls and rams with chlamydiae. Am J Vet Res. 1976;37(5):517-20.
Storz, J., Carroll, E. J., Stephenson, E. H., Ball, L., & Eugster, A. K. (1976). Urogenital infection and seminal excretion after inoculation of bulls and rams with chlamydiae. American Journal of Veterinary Research, 37(5), 517-20.
Storz J, et al. Urogenital Infection and Seminal Excretion After Inoculation of Bulls and Rams With Chlamydiae. Am J Vet Res. 1976;37(5):517-20. PubMed PMID: 1275335.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Urogenital infection and seminal excretion after inoculation of bulls and rams with chlamydiae. AU - Storz,J, AU - Carroll,E J, AU - Stephenson,E H, AU - Ball,L, AU - Eugster,A K, PY - 1976/5/1/pubmed PY - 1976/5/1/medline PY - 1976/5/1/entrez SP - 517 EP - 20 JF - American journal of veterinary research JO - Am. J. Vet. Res. VL - 37 IS - 5 N2 - Five mature rams and 4 bulls were inoculated parenterally with bovine or ovine chlamydial strains of type 1 and 2. One to 3 days later, all animals developed a chlamydemia lasting 4 to 8 days. Chlamydial agents were isolated from the semen near the end of the chlamydemic phase. All rams and 3 of 4 inoculated bulls excreted chlamydiae in the semen for 22 to 29 days. From 8 to 39 days after inoculation, selected rams or bulls were killed to test for chlamydial infection in the urogenital tract and other organs. Chlamydiae were isolated in developing chicken embryos from testis, epididymis, and accessory sex glands. Bulls examined 29 and 39 days after inoculation did not harbor chlamydiae. Chlamydiae were also not isolated from 3 control bulls which were from the same herd as the principal bulls. All inoculated bulls and rams had a group-specific chlamydial antibody response within 7 days. The titers reached maximal levels of 128 to 512 at 14 days after inoculation. Subsequently, the antibody titers decreased gradually. Seminal plasma collected at different times after animals were inoculated did not fix complement in the presence of chlamydial group antigen. The number of polymorphonuclear leukocytes in the semen increased during the experiment. The semen was grossly purulent in 2 rams inoculated with the type 2 chlamydial strain of polyarthritis. SN - 0002-9645 UR - https://www.unboundmedicine.com/medline/citation/1275335/Urogenital_infection_and_seminal_excretion_after_inoculation_of_bulls_and_rams_with_chlamydiae_ L2 - https://medlineplus.gov/chlamydiainfections.html DB - PRIME DP - Unbound Medicine ER -