The Kitty Up Publication · Summer Edition · 2026

Feline Era

Science, care, and the everyday experience of living with cats.

Person in a kayak with a cat wearing a life jacket on a body of water.
Veterinarian in a clinic checking an orange-and-white cat on a blue mat during a wellness exam.Cover story
Gut + Immune Support

How Antibiotics Affect Your Cat's Gut Microbiome

Antibiotics treat bacterial infections. They also act on resident bacteria that were never the target. That is not a reason for alarm. It is how the drugs work, and it is worth understanding before...

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The Feline Gut Health Series

The Feline Gut Health Series breaks down what cat parents should know about digestion, probiotics, the microbiome, and everyday gut health. We separate solid evidence from emerging research and explain it in plain English. No hype, just practical feline-focused guidance.

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Part 1

Signs of a Healthy Cat

A healthy cat is not defined by one behavior. Learn what to watch across appetite, grooming, movement, play and the litter box, and why changes from your cat’s own normal matter most.

2

What Is the Cat Gut Microbiome, and What Actually Disrupts It?

Published · 7 min
 3

Cat Diarrhea and Probiotics: What the Evidence Actually Shows

Published · 5 min
 4

How Antibiotics Affect Your Cat's Gut Microbiome

Published · 4 min
 5

Cat Probiotics: Strain IDs, CFU and What Matters

Published · 7
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Immune Support
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Cat Probiotics: Strain IDs, CFU, and What Matters
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From the Feline Era Desk

Observations from fostering, caring, and paying close attention.

Years of fostering and caring for cats have taught me that the smallest changes often say the most. This is where I share what I have learned by watching closely, asking questions, and putting cats first.

Stacey Rhee - Founder, Kitty Up
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