. 2021 Oct;62(10):1123–1130.

Table 1.

Description of the 6 horses receiving FMT as part of treatment for diarrhea.

Recipient	1	2	3	4	5	6
Age (y)	6	7	7	20	8	8
Sex	Male	Male	Female	Male	Male	Male
Breed	Quarter Horse	Quarter Horse	Quarter Horse	Mangalarga	Quarter Horse	Quarter Horse
Hospital of admission	UELVH	UELVH	UELVH	UVH	UELVH	UELVH
Reason for hospitalization	Decubitus after 36 h of transportation	History of intermittent chronic diarrhea for 1 mo	History of intermittent chronic diarrhea for 6 mo	1 wk	6 mo	3 wk Difficulty in locomotion, loose stools, dark urine
Clinical examination	– Rectal temperature 40.2°C – Apathy – Intestinal hypomotility – Black and fetid profuse diarrhea – Digital pulse in forelimbs	– Apathy – Congested mucous membranes – Intestinal hypermotility – Liquid and fetid feces	– Rectal temperature 38.5°C – Tachycardia – Apathy – Liquid feces – Lean body condition	– Dark and liquid feces – Lean animal – Periodontal disease – Lethargic with anorexia	– Intestina hypermotility – Pasty feces	– Rectal temperature 37°C – Apathy – Intestinal hypermotility in left and hypomotility in right quadrants – Lean body condition – Dark urine – Dark and fetid feces
Treatments upon hospitalization	– Fluid therapy – Hydroxyethyl starch – Flunixin meglumine – Metronidazole – Procaine penicillin	– Fluid therapy – Flunixin meglumine – Ceftiofur – Omeprazole – Fenbendazole	– Fluid therapy – Flunixin meglumine – Fenbendazole	– Oral antiparasitic (ivermectin and praziquantel) – Oxytetracycline	– Fenbendazole – Dexamethasone	– Fluid therapy – Hydroxyethyl starch^b – Flunixin meglumine^b – Phenylbutazone^b – Ceftiofur^b – Metronidazole^b – Gentamicin^b – Omeprazole^b – Ranitidine^b
Days of hospitalization	6	11	11	7	20	18
Date of donor feces collection	2015-02-27	2013-01-17	2013-02-06	2015-04-18	2016-06-10	2016-04-20
Number of administrations	1	1	1	1	7	5
Outcome^a	– Death 4 d after FMT – Diarrhea episodes intensified	– Survived – Improved stool consistency for minimum 5 d	– Survived – Improved stool consistency for minimum 9 d	– Survived – Improved stool consistency for minimum 5 d	– Survived – Improved stool consistency for minimum 3 mo	– Death 2 wk after FMT – Severe abdominal discomfort 6 d after FMT – Septic peritonitis – Cecal compression and rupture

UELVH — UEL Veterinary Hospital; UVH — Unifil Veterinary Hospital.

Consistency of feces improved until the end of hospitalization for Recipients 2, 3, and 4. Telephone contact with the client for Recipient 5, 3 mo after hospitalization, reported normal fecal consistency.

Flunixin meglumine [1.1 mg/kg body weight (BW), IV, q12h]; phenylbutazone (2.2 mg/kg BW, IV, q12h); ceftiofur (5 mg/kg BW, IM, q12h for 8 d); metronidazole (15 mg/kg BW, IV, q12h); gentamicin (6.6 mg/kg BW, IV, q24h, for 6 d); omeprazole (94 mg/kg BW, PO, during the entire hospital stay); ranitidine (1.5 mg/kg BW, IV, q8h for 2 d).