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This content has been prepared by Doç. Dr. Mehmet ÇOLAK based on scientific sources.
Cat Nutrition

VetKriter Cat Food Scoring: Scientific Algorithm Explained

Doç. Dr. Mehmet ÇOLAK 19 January 2026 67 views

VetKriter V3 scoring algorithm, evaluation criteria and scientific references.


Feline Lower Urinary Tract Disease (FLUTD) is one of the most common health problems in cats. Proper nutrition plays a critical role in both prevention and treatment.

1. What is FLUTD?

FLUTD is a general term for diseases affecting the bladder and urethra of cats:

TypeFrequencyDescription
Idiopathic Cystitis (FIC)55-65%Unknown cause, related to stress
Urolithiasis (Stones)15-25%Struvite or calcium oxalate
Urethral Obstruction10-20%Emergency in male cats!
Bacterial Infection1-5%Rare in young cats
Tumor/Anatomic<5%More common in older cats

2. Symptoms and Emergencies

2.1 Common Symptoms

  • Frequent trips to the litter box
  • Small amounts or droplets of urine
  • Crying while urinating
  • Urinating outside the litter box
  • Bloody urine
  • Excessive licking of the genital area
🚨 EMERGENCY - Obstruction in Male Cats:
  • Inability to urinate for more than 12 hours
  • Vomiting, lethargy
  • Abdominal pain (reaction to touch)
  • This condition can be FATAL within 24-48 hours!

3. The Role of Nutrition

Nutrition is critical in both the prevention and management of FLUTD:

3.1 Water Consumption: The Most Important Factor

Dilute urine prevents the formation of crystals and stones.

GoalMethod
Urine specific gravity <1.035Increase water consumption
Daily 50-60 ml/kg waterWet food, water fountain

Ways to Increase Water Consumption:

  • Increase the ratio of wet food: Contains 70-80% moisture
  • Use a water fountain: Running water attracts cats
  • Multiple water bowls: Place them in different rooms
  • Soak dry food: Give it with added water
  • Chicken/fish broth: Salt-free, add to water

3.2 Urine pH Control

Different types of stones form at different pH levels:

Stone TypeFormation pHTarget pH
StruviteAlkaline (>7.0)6.0-6.5 (acidic)
Calcium OxalateAcidic (<6.5)6.5-7.0 (neutral)
⚠️ Attention: Do not manipulate pH without knowing the stone type! The wrong diet can worsen the condition.

3.3 Mineral Control

For Struvite Stones:

  • Magnesium restriction
  • Phosphorus control
  • Urine-acidifying diet

For Calcium Oxalate Stones:

  • Calcium is NOT restricted (paradoxically, it can be increased)
  • Oxalate restriction
  • Sodium restriction
  • Vitamin B6 support

4. Food Choice for FLUTD

4.1 Preventive Feeding (Healthy Cats)

For cats with risk factors:

  • Feeding primarily wet food (50-70%)
  • High-quality protein
  • Low magnesium (<0.1% dry matter)
  • Omega-3 fatty acids (anti-inflammatory)

4.2 Prescription Diets (Veterinary Prescribed)

Veterinary diets for diagnosed FLUTD:

ConditionDiet Characteristics
Struvite dissolutionAcidic, low Mg, low P
Struvite preventionModerately acidic, controlled minerals
Calcium oxalate preventionNeutral pH, low oxalate
FIC (stress-related)Omega-3, tryptophan, low stress

5. Stress Management and FIC

Idiopathic cystitis (FIC) is the most common form of FLUTD triggered by stress:

5.1 Stress Reduction Strategies

  • Environmental enrichment: Scratching post, toys
  • Routine: Regular feeding times
  • Litter box: Number of cats + 1 rule
  • Feliway: Synthetic pheromone diffuser
  • Hiding places: High shelves, boxes

5.2 Stress-Reducing Nutrients

  • Tryptophan: Serotonin precursor, calming
  • Alpha-casozepine: Milk protein derivative, anxiolytic
  • L-theanine: Green tea component, relaxing

6. Lifelong Management

Recurrence occurs in 50% of cats with FLUTD. Long-term precautions:

6.1 Nutritional Protocol

  1. Keep the ratio of wet food high (50-70%)
  2. Encourage water consumption
  3. Do not change diet without veterinary recommendation
  4. Regular urinalysis (every 6-12 months)

6.2 Monitoring

  • Observe urination habits
  • Track litter box usage
  • Minimize stressors
  • Weight control (obesity is a risk factor)

7. Frequently Asked Questions

7.1 Does giving only dry food cause FLUTD?

It doesn't directly cause it, but it increases the risk by reducing water consumption. Adding wet food is recommended.

7.2 Are "urinary health" foods from supermarkets sufficient?

They can be used for preventive purposes, but veterinary diets are necessary for diagnosed FLUTD.

7.3 Why are male cats at higher risk?

Male cats have a longer and narrower urethra, and the risk of obstruction is high.

Conclusion

FLUTD can be largely prevented and managed with proper nutrition and lifestyle changes. Increasing water consumption, raising the ratio of wet food, and reducing stress are the primary strategies.

Remember: Every cat with urinary problems should undergo a veterinary examination, and no diet changes should be made before the stone type is determined.

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References

Buffington, C. A. T. (2011). Idiopathic cystitis in domestic cats—beyond the lower urinary tract. Journal of Veterinary Internal Medicine, 25(4), 784-796.

Westropp, J. L., & Buffington, C. A. T. (2004). Feline idiopathic cystitis: current understanding of pathophysiology and management. Veterinary Clinics: Small Animal Practice, 34(4), 1043-1055.

Lulich, J. P., et al. (2016). ACVIM small animal consensus recommendations on the treatment and prevention of uroliths in dogs and cats. Journal of Veterinary Internal Medicine, 30(5), 1564-1574.

Forrester, S. D., & Towell, T. L. (2015). Feline idiopathic cystitis. Veterinary Clinics: Small Animal Practice, 45(4), 783-806.

Bartges, J. W. (2012). Chronic kidney disease in dogs and cats. Veterinary Clinics: Small Animal Practice, 42(4), 669-692.

Tags: kedi idrar yolu enfeksiyonu FLUTD kedi mesane taşı kedi struvit kedi idrar sorunu

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