Isolation of Arcobacter species and other neglected opportunistic agents from aborted bovine and caprine fetuses.
Aborted Fetus
/ microbiology
Abortion, Veterinary
/ epidemiology
Animals
Arcobacter
/ classification
Bacterial Infections
/ epidemiology
Cattle
Cattle Diseases
/ epidemiology
Female
Goat Diseases
/ epidemiology
Goats
Italy
/ epidemiology
Mycoses
/ epidemiology
Opportunistic Infections
/ veterinary
Parasitic Diseases, Animal
/ epidemiology
Placenta
/ microbiology
Pregnancy
Virus Diseases
/ epidemiology
Aborted fetuses
Arcobacter species
Co-infections
Opportunistic emerging pathogens
Journal
BMC veterinary research
ISSN: 1746-6148
Titre abrégé: BMC Vet Res
Pays: England
ID NLM: 101249759
Informations de publication
Date de publication:
24 Jul 2019
24 Jul 2019
Historique:
received:
22
02
2019
accepted:
16
07
2019
entrez:
26
7
2019
pubmed:
26
7
2019
medline:
4
12
2019
Statut:
epublish
Résumé
Infectious abortion in ruminants is a problem in animal husbandry worldwide. It is important to obtain a diagnosis, to make sure that proper control measures can be instituted, but most abortion cases remain without an etiologic diagnosis. This report describes the presence of Arcobacter species and several neglected opportunistic abortifacient agents in ruminant abortion cases showing or not co-infections among at least one of the major recognized protozoal, fungal, bacterial and viral abortifacient agents. A total of 67 fetuses (55 cattle and 12 goats) and just one placenta (cattle) were considered. Among the most common abortive agents, Neospora caninum (19,4%), followed by Chlamydophila abortus (4,5%), Listeria monocytogenes 1/2a (2,98%), Bovine Viral Diarrhea Virus type 1b (2,98%), Bovine herpesvirus 4 (2,98%), and Aspergillus spp. (2,98%) were detected. The isolated neglected opportunistic bacteria include Escherichia coli, Acinetobacter lwoffii, Staphylococcus spp., Streptococcus spp., Streptococcus uberis, Streptococcus suis, Trueperella pyogenes, Mannheimia haemolytica, Bacillus cereus and Nocardia spp. Other bacterial species, not associated with abortion by literature, but described as causes of diseases occurring sporadically both in humans and animals, were also detected. Three Arcobacter strains, namely two A. skirrowii and one A. cryaerophilus, were isolated from 3 bovine aborted fetuses, and A. butzleri was isolated from the placenta. A not negligible isolation of Arcobacter species and other neglected abortifacient agents has to be mentioned, with prevalences that seem to be emerging and replacing or co-placing the major infectious players in bovine and caprine reproductive failure due to abortion disease, even if further studies investigating the aetiological power and transmission routes are needed in order to define the role of these microrganisms in ruminant abortion.
Sections du résumé
BACKGROUND
BACKGROUND
Infectious abortion in ruminants is a problem in animal husbandry worldwide. It is important to obtain a diagnosis, to make sure that proper control measures can be instituted, but most abortion cases remain without an etiologic diagnosis. This report describes the presence of Arcobacter species and several neglected opportunistic abortifacient agents in ruminant abortion cases showing or not co-infections among at least one of the major recognized protozoal, fungal, bacterial and viral abortifacient agents.
RESULTS
RESULTS
A total of 67 fetuses (55 cattle and 12 goats) and just one placenta (cattle) were considered. Among the most common abortive agents, Neospora caninum (19,4%), followed by Chlamydophila abortus (4,5%), Listeria monocytogenes 1/2a (2,98%), Bovine Viral Diarrhea Virus type 1b (2,98%), Bovine herpesvirus 4 (2,98%), and Aspergillus spp. (2,98%) were detected. The isolated neglected opportunistic bacteria include Escherichia coli, Acinetobacter lwoffii, Staphylococcus spp., Streptococcus spp., Streptococcus uberis, Streptococcus suis, Trueperella pyogenes, Mannheimia haemolytica, Bacillus cereus and Nocardia spp. Other bacterial species, not associated with abortion by literature, but described as causes of diseases occurring sporadically both in humans and animals, were also detected. Three Arcobacter strains, namely two A. skirrowii and one A. cryaerophilus, were isolated from 3 bovine aborted fetuses, and A. butzleri was isolated from the placenta.
CONCLUSIONS
CONCLUSIONS
A not negligible isolation of Arcobacter species and other neglected abortifacient agents has to be mentioned, with prevalences that seem to be emerging and replacing or co-placing the major infectious players in bovine and caprine reproductive failure due to abortion disease, even if further studies investigating the aetiological power and transmission routes are needed in order to define the role of these microrganisms in ruminant abortion.
Identifiants
pubmed: 31340816
doi: 10.1186/s12917-019-2009-3
pii: 10.1186/s12917-019-2009-3
pmc: PMC6651951
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
257Subventions
Organisme : Ministero della Salute, Dipartimento della Sanità Pubblica Veterinaria, della Sicurezza Alimentare e degli Organi Collegiali per la Tutela della Salute
ID : IZS PLV 05/14 RC
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