The Origins of Veterinary Clinical Nutrition: Mark Morris Sr., the Seeing Eye Dog "Buddy," and the Birth of Hill's Prescription Diet and Science Diet | Philippines Guide

Dignified long-haired Rough Collie in warm golden light — the origins of veterinary clinical nutrition and Mark Morris Sr.

eye-area hygiene and comfort in the Philippines: local context

This edition is written for Filipino dog owners in Philippine English. It is educational and does not replace an examination, diagnosis or treatment plan from a veterinarian.

  • Local veterinary route: use a locally registered veterinarian for persistent, painful, recurring or sudden symptoms. The Bureau of Animal Industry (BAI) is the market-specific public authority reference used here.
  • Climate and storage: The Philippines has tropical wet and dry periods, with typhoon-season weather varying by region. Dry paws, skin folds and ears after rain, keep drinking water fresh, and store products away from heat and moisture. Climate alone cannot identify the cause of a symptom.
  • Market buying check: compare active amounts, format, weight-based directions, contraindications, cost per day and current local availability. Imported and domestic listings can change; verify the live page before buying.

Local market reference points

Seller in the PhilippinesWhat to compareHow to interpret it
Pet ExpressCompare current ₱ pricing, pack size, active amount per daily serving, delivery terms and return policy.Verify the live listing; presence on a seller site is not veterinary endorsement.
Bow & WowCompare current ₱ pricing, pack size, active amount per daily serving, delivery terms and return policy.Verify the live listing; presence on a seller site is not veterinary endorsement.
Pet Lovers Center PhilippinesCompare current ₱ pricing, pack size, active amount per daily serving, delivery terms and return policy.Verify the live listing; presence on a seller site is not veterinary endorsement.

Pure Majesty Pets: review our eye-care support for dogs by formula, format and directions. Confirm delivery availability at checkout. Ask your veterinarian before use if your dog takes medication, is pregnant, is very young or has an existing condition.

Philippines references: Bureau of Animal Industry (BAI) and Philippine Veterinary Medical Association (PVMA).

How to use this eye-area hygiene and comfort guide

This guide focuses on The Origins of Veterinary Clinical Nutrition: Mark Morris Sr., the Seeing Eye Dog "Buddy," and the Birth of Hill's Prescription Diet and Science Diet. There is no single product or routine that fits every dog: age, body weight, diet, medication, symptoms and diagnosed conditions all affect the right choice.

  • Define the goal first: note the sign you are tracking and its frequency before changing a routine.
  • Compare labels, not slogans: check active amounts per daily serving, directions, cautions, storage instructions and the full ingredient list.
  • Change one thing at a time: follow the label and your veterinarian’s advice so benefits or unwanted effects can be assessed clearly.
  • Escalate promptly: sudden pain, collapse, breathing difficulty, repeated vomiting, bleeding, eye injury, inability to urinate or rapidly worsening symptoms need veterinary care rather than a supplement experiment.

Reference article — last reviewed 2026

Abstract

2. Dr. Mark L. Morris Sr. and the Raritan Hospital for Animals

Mark Lewis Morris Sr. (1900–1993) graduated from Cornell University's College of Veterinary Medicine in 1926. He established the Raritan Hospital for Animals in Edison, New Jersey, in the early 1930s. Morris Sr. was unusual among small-animal practitioners of his generation in his interest in nutritional management of disease — a field that, at the time, was almost entirely undeveloped for companion species (Hand et al., 2010).

By the late 1930s, Morris Sr. had begun experimentally formulating diets for dogs with specific clinical conditions. He worked from first principles drawn from dairy-cow nutrition (then a far better-established field) and adapted those principles to canine physiology. His clinical observations were among the first to document, in companion animals, the response of progressive renal disease to dietary modification (Lewis et al., 1987).

3. The 1939 consultation: Buddy, dietary management, and "Raritan Ration B"

By 1939, Buddy was suffering from chronic renal failure. Veterinary medicine of the period had no established therapeutic option. Morris Frank consulted Mark Morris Sr., who proposed a dietary intervention: a low-protein, low-phosphorus, energy-dense formulation intended to reduce the metabolic load on Buddy's failing kidneys. Morris Sr. compounded the diet by hand in his practice and named successive iterations alphabetically; the kidney-disease formula became known internally as Raritan Ration B, later codified as Canine k/d (the "k/d" abbreviation later adopted commercially refers to "kidney diet") (Hand et al., 2010).

The diet measurably extended Buddy's working life and quality of life — an outcome unprecedented in the small-animal literature of the period. Word spread among veterinarians who had been corresponding with Morris Sr. about clinical nutrition. By the early 1940s, demand for the formula exceeded the capacity of a single hospital pharmacy to compound it.

4. From hand-compounded ration to Hill's Pet Nutrition

By the 1960s, Hill Packing's pet-food division had grown into a distinct entity that would eventually be renamed Hill's Pet Nutrition. Colgate-Palmolive acquired the division in 1976, and it has remained a Colgate subsidiary since.

5. Mark Morris Jr. and the launch of Science Diet

6. The Mark Morris Institute and continuing education

In 1989, Morris Jr. founded the Mark Morris Institute, a non-profit organisation based in Topeka, Kansas, dedicated to the continuing education of veterinarians and veterinary students in clinical nutrition. The Institute has, since its founding, supported clinical-nutrition curricula at multiple veterinary colleges, sponsored fellowship programmes, and published the textbook editions of Small Animal Clinical Nutrition. It is structurally and editorially independent of Hill's Pet Nutrition, although the two share historical roots (Mark Morris Institute, 2024).

7. Historical assessment

The lineage from Buddy's 1939 renal-disease diet to the contemporary Prescription Diet and Science Diet product lines represents the first sustained, commercially scaled translation of clinical nutrition principles into companion-animal medicine. The Morris family's decision to direct royalty income into a research foundation (rather than purely private accumulation) materially accelerated the development of small-animal clinical research in the second half of the twentieth century: Morris Animal Foundation has, by its own reporting, funded more than 2,800 studies across companion-animal, equine, and wildlife species since its founding (Morris Animal Foundation, 2023).

The principle Morris pioneered — that targeted dietary modification can alter the trajectory of a chronic condition — remains central to companion-animal practice today, from renal and joint support to the dietary management of recurrent conditions such as yeast infections in dogs' ears, where limiting dietary sugars and supporting the gut microbiome are now common adjuncts to topical care.

8. Conclusion


References

  1. Lewis LD, Morris ML Jr, Hand MS. Small Animal Clinical Nutrition III. Topeka, KS: Mark Morris Associates; 1987.
  2. Hand MS, Thatcher CD, Remillard RL, Roudebush P, Novotny BJ, eds. Small Animal Clinical Nutrition. 5th ed. Topeka, KS: Mark Morris Institute; 2010. ISBN 978-0615297019.
  3. Dunlop RH, Williams DJ. Veterinary Medicine: An Illustrated History. St. Louis: Mosby; 1996. ISBN 978-0801632099.
  4. Morris Animal Foundation. 75 Years of Animal Health Science: 1948–2023 (Annual report). Denver, CO: Morris Animal Foundation; 2023. https://www.morrisanimalfoundation.org/about
  5. Mark Morris Institute. About the Institute. Topeka, KS; 2024. https://www.markmorrisinstitute.org