New Treatment for Equine Wounds

The physical nature of the horse and their natural outdoor habitat puts them at risk for many traumatic injuries, commonly skin and soft tissue wounds located on the limbs. Objects from their surrounding environment often cause these wounds, such as fences or gates. Contaminants from soil can often leads to colonization, infection and finally to disrupted healing. In some cases, wound infection can lead to Pastern Dermatitis (mud fever). Healing of equine wounds, particularly in the limbs, is difficult due to hydrostatic factors and exposure to environmental contaminants, which can lead to heavy bio-burden/biofilm formation and sometimes to infection. The treatment of equine wounds is becoming progressively difficult due to increase of antibiotic-resistant bacterial strains. Methicillin-resistant Staphylococcus aureus (MRSA) infection or colonization has become a serious emerging condition in equine veterinary hospitals. In recent years, outbreaks involving both horses and humans have been reported in veterinary hospitals in the United States.2



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In the case of equine wounds, a short healing time is extremely important as horses will be exposed to the outside hostile environment like moist mud and grass, in which exposure to microbes is certain. In a study, honeybee-specific lactic acid bacteria (LAB) formulation inhibited all pathogens when tested in vitro. The formulation used in the study was a mixture consisted of the 13 viable species of LAB: Lactobacillus kunkeei Fhon2, Lactobacillus apinorum Fhon13, Lactobacillus mellifer Bin4, Lactobacillus mellis Hon2, Lactobacillus kimbladii Hma2, Lactobacillus melliventris Hma8, Lactobacillus helsingborgensis Bma5, Lactobacillus kullabergensis Biut2, Lactobacillus apis Hma11, Bifidobacterium coryneforme Bma6, Bifidobacterium sp. Bin7, Bifidobacterium asteroides Bin2 and Bifidobacterium sp. Hma3, and their bioactive produced substances in a matrix of Swedish sterilized heather (Calluna vulgaris) honey. All wounds treated with the honeybee LAB formulation had a reduction in wound size and were healing effectively, or were completely healed at the end of the study.

References

  1. Fighting Off Wound Pathogens in Horses with Honeybee Lactic Acid Bacteria. Tobias C. Olofsson,corresponding author Éile Butler, Christina Lindholm, Bo Nilson, Per Michanek, and Alejandra Vásquez
  2. Methicillin-Resistant Staphylococcus aureus spa Type t002 Outbreak in Horses and Staff at a Veterinary Teaching Hospital after Its Presumed Introduction by a Veterinarian. Amir Steinman,corresponding authora Samira Masarwa, Sharon Tirosh-Levy, Dan Gleser, Gal Kelmer, Amos Adler, Yehuda Carmeli, and Mitchell J. Schwaberb



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