Lethal Genes in Budgies

Dr Hamish Baron

Understanding “Lethal Genes” in Budgerigars In budgerigar breeding, the term “lethal gene” is often used loosely, and sometimes incorrectly, to describe genetic combinations that result in embryo death, chick mortality, or severe non-viable deformities. From a biological perspective, a lethal…

Tail Feather Cutting

Tail Feather Cutting in Budgerigars: Myth, Mechanism and Best Practice Dr Hamish Baron – The Unusual Pet Vets Question: Some fanciers are promoting the practice of cutting tail feathers and then leaving them for a few weeks before pulling them,…

Vitamin A

Feeding Natural Forage to Address Vitamin A Deficiency in Seed Diets Dr Hamish Baron, PhD The Unusual Pet Vets Australia Introduction Budgerigars are physiologically adapted to a highly varied, opportunistic diet in the wild. Although grass seeds form a substantial…

BACTERIAL DISEASES IN BUDGIES

Bacterial diseases in budgerigars: what breeders should know Bacterial disease in budgerigars is rarely “bad luck” alone. More often, it’s the end result of a few familiar pressures stacking up at once: overcrowding, hygiene slipping under workload, nutritional gaps, and…

Coccidiosis In Budgerigars

Coccidiosis By Dr Rob Woodhead, December 2025 (Single cell animal) – Common protozoal infection of budgerigars. SYMPTOMS Mildly affected birds may show no signs. Others exhibit listlessness, diarrhoea, weight loss, dehydration, death. Blood may be seen in droppings from badly…