Characterization of Actinobacillus seminis biofilm formation

Rojas, Lourdes; Zenteno, Edgar; Cruz, Candelario Vázquez; Negrete-Abascal, Erasmo

doi:10.1007/s10482-020-01447-w

Cited by 4 publications

(1 citation statement)

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“…Actinobacillus seminis was also identified in the normal vaginal microbiota of our sheep, and was more abundant in the Merino ewes. This species of bacterium has also been associated with low fertility, and occasional abortions in sheep and goats ( Foster et al, 1999 ; García et al, 2020 ; Van Tonder 1973 ).…”

Section: Discussionmentioning

confidence: 99%

Characterizing the vaginal microbiota of high and low producing Poll Merino and White Suffolk ewes

Greenwood

Torok

Wettere

2022

Translational Animal Science

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There is a substantial, and growing, body of research focussed on manipulating gastrointestinal microbes to affect health and production. However, the maternal vaginal microbiota and its effects on neonatal inoculation and lifetime production have received little attention. We aimed to characterise the vaginal microbes of domesticated sheep to determine if they differ across sheep breeds with differing meat and wool growth potentials and to determine a link between vaginal microbes and high and low producing animals. A flock of White Suffolk (n=136) and Poll Merino (n=210) ewes were sorted by the Australian Sheep Breeding Values (ASBV), for yearling fleece weight in the Merino and by post-weaning weight in the Suffolk ewes. The top and bottom ASBV sheep were selected for sampling and the resulting treatment groups were; High Suffolk (n=12), Low Suffolk (n=12), High Merino (n=12), Low Merino (n=12) ewes. A double guarded culture swab was used to sample from the surface of the vaginal epithelium. Diversity profiling analysis of vaginal bacterial communities was conducted using 16S rRNA amplicon sequencing. Breed and ASBV group differences in bacterial communities were tested. Within breed, there were no significant differences in ewe vaginal bacterial communities associated with ewe production parameters; however, there was a significant difference in ewe vaginal bacterial communities between breeds. We have been able to characterise the normal vaginal microbiota of non-pregnant ewes and demonstrate a rich microbial community.

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Section: Discussionmentioning

confidence: 99%