Transporting and Exercising Unconditioned Horses: Effects on Microflora Populations.

Journal of Equine Veterinary Science
Kyla L SzemplinskiTrinette Jones

Abstract

The objective of this study was to determine if transportation and exercise stress in horses affect the microflora populations in the equine hindgut. Four horses were subjected to three transport periods (0, 3, and 6 hours) with a 7-d rest period between each transport. Horses were fed 0.91 kg/day of Purina Impact All Stages 12% and had ad libitum access to Cynodon dactylon (Coastal Bermudagrass) hay. Fecal samples were collected before (0 hours) and after (48 hours) transport. In addition, three horses underwent a different standardized exercise test with a 7-d rest period between each exercise. Standardized exercise test intensity was determined by heart rate to validate if the horse was in aerobic or anaerobic work. The protocol for fecal sample collection after exercise was the same as for transport. Prokaryotic community profiling was conducted by 16S metagenomic analysis. After DNA evaluation, differences were found in the microbiome at transport 0 hours and grouped transport 3 hours time 48 and transport 6 hours time 48 (PERMANOVA P = .037) where Bacteroidetes increased 48 hours after transport and Firmicutes decreased 48 hours after transport. Exercise microbial communities showed no difference in either alpha or beta d...Continue Reading

Citations

Jun 3, 2021·Veterinary Sciences·Taemook ParkYoungmin Yun

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