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hormones

fighting

Two Female Dogs Suddenly Fighting in the Same Home

It’s quite common for a younger dog, as she matures, to challenge the older one – particularly when they are both of the same sex. 

By Theo Stewart, 8 years ago April 8, 2026
arousal, excitement

Adolescent Dog and Raging Hormones

Why can a friendly young dog suddenly start throwing his weight around with other dogs during adolescence? I have never met a Longhaired Weimaraner before – and what a stunning dog!  Rocco is about one year old and deliciously friendly. The family put in a great deal of thought and Read more

By Theo Stewart, 9 years ago May 11, 2026
Aggression

First Season Turns Life Upside Down for Young German Shepherd

How much can a young dog’s first season and changing hormones affect behaviour at home? When I knocked on the door there was no barking and I wondered whether I had arrived at to the wrong house! I was greeted by two very friendly and curious German Shepherds, one of Read more

By Theo Stewart, 12 years ago June 19, 2026
Aggression

Two Boxers with Too Much Freedom

Honey will suddenly just go for Millie. Sometimes she gives ‘that look’ first, sometimes it seems to happen out of the blue.

By Theo Stewart, 15 years ago August 23, 2026
Based in uk
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