Knowledge from Nestjes
Knowledge center
Practical guides on buying, caring for and responsibly offering pets.
Dogs
Adopting an Adult Dog: How to Find the Right Match
An adult rescue or rehomed dog can be a wonderful choice. Assess behaviour, health, documents and compatibility with this checklist.
4 min read · 25-08-2026
Dogs
House-Training Your Puppy: A Practical Step-by-Step Guide
A predictable routine, close supervision and well-timed rewards teach your puppy where to toilet without fear or punishment.
4 min read · 25-08-2026
Dogs
Puppy Biting: What Actually Works?
Puppy biting is normal but painful. Learn how to redirect it calmly, prevent overtired biting and recognise when extra help is needed.
4 min read · 25-08-2026
Livestock
Registering Sheep and Goats in the Netherlands
Identification and registration rules also apply to hobby keepers. Arrange a UBN, approved identification and movement records before buying.
1 min read · 20-08-2026
Poultry
Red Mite in Chickens
Red mites feed at night and hide in cracks by day. Learn how to find them early and why the whole coop needs attention.
1 min read · 18-08-2026
Fish
Quarantining New Fish
Apparently healthy fish can carry disease. Observe new arrivals for several weeks and keep equipment separate before introduction.
1 min read · 16-08-2026
Fish
Understanding Aquarium Water Values
Clear water can still be unsafe. Learn how pH, hardness and nitrogen compounds interact and why trends beat a single result.
1 min read · 14-08-2026
Reptiles
Temperature Gradients in a Terrarium
One thermometer creates false confidence. Build warm and cool zones, measure air and surfaces and regulate heat with a thermostat.
1 min read · 13-08-2026
Reptiles
UVB and Calcium for Reptiles
A glowing lamp may no longer provide enough UVB. Distance, mesh, replacement dates and basking layout all affect bone health.
1 min read · 12-08-2026
Birds
Recognising Illness in Birds
Birds can hide illness for a long time. Weight trends, droppings and breathing often reveal changes before obvious collapse.
1 min read · 11-08-2026
Birds
Healthy Food for Parrots
A full seed bowl can still cause deficiencies and excess weight. Build a species-appropriate diet and use food as enrichment.
1 min read · 10-08-2026
Horses
Laminitis and Pasture Management
Laminitis is a painful emergency. Recognise early signs and tailor grazing for horses and ponies at increased metabolic risk.
1 min read · 08-08-2026