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Surgery guides, animal care procedures, research articles, and laboratory forms for people working with cannulated animals.

Reference material
Many of these documents are older and may not reflect current practice, drug approvals, or regulations. They do not replace the judgment of a licensed veterinarian or your animal care committee.

Bar Diamond Surgery Guides

Surgery guidelines prepared by Bar Diamond for rumen fistulation and cannula placement in cattle.

Bovine Surgery for Fistulation of the Rumen and Cannula Placement (PDF)

Written guide covering supplies, the standing surgical procedure, cannula placement, and aftercare.

Bar Diamond, Inc. · May 2011

Single Step Rumen Fistula Surgery: Photo Guide (PDF)

Photo sequence of the single-step surgery. Contains photographs of open surgery.

Bar Diamond, Inc. · 2015

Animal Care Procedures

Procedures and guidance on cannulation and care published by other institutions and authors.

Rumen Cannulation (PDF)

Animal Care and Use Committee procedure for rumen cannulation in ruminants.

University of Idaho · Updated March 2006

Preparation and Care of Fistulated Bovine (CARE207) (PDF)

Procedure for placing ruminal cannulas and caring for fistulated cattle.

Cornell University IACUC and CARE · 2007 copy

Rumen Fistula Surgery for the Private Practitioner (PDF)

Article by Scott R.R. Haskell on performing rumen fistula surgery in private practice.

Milkproduction.com · July 2002

Standard Operating Procedures, Sheep: Fistulation of Gastro-Intestinal Tract (PDF)

Standard operating procedure SHE09 for fistulation of the gastro-intestinal tract in sheep.

State of New South Wales · 2005

Research Articles

Published articles on cannulation techniques and related tools.

Rumen and Abomasal Cannulation of Sheep with Specially Designed Cannulas and a Cannula Insertion Instrument (PDF)

R. J. Komarek. Journal of Animal Science 53:790.

Journal of Animal Science · 1981

Technical Note: Development of a Tool to Insert Abomasal Infusion Lines into Dairy Cows (PDF)

T. F. Gressley, S. M. Reynal, J. J. Olmos Colmenero, G. A. Broderick, and L. E. Armentano. Journal of Dairy Science 89:3965.

Journal of Dairy Science · 2006

Technical Note: A Two-Stage Cecal Cannulation Technique in Standing Horses (PDF)

W. L. Beard, T. L. Slough, and C. D. Gunkel. Journal of Animal Science, published online March 2011.

Journal of Animal Science · 2011

Laboratory Price List & Forms

Documents for submitting samples to the Bar Diamond laboratory.

Laboratory Price List (PDF)

Feed and compost testing prices.

Bar Diamond, Inc. · 2026

Laboratory Sample Submission Card (PDF)

Card to include with samples sent to the laboratory.

Bar Diamond, Inc. · 2023