Heart block: Failure of the heart's normal rhythm controls leading to arrhythmia. Heart block: Impairment of conduction in heart excitation. It is often applied specifically to atrioventricular heart block. Heart block: recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat.
For pet rabbits and show rabbits, pine is completely safe for rabbit litter, especially kiln-dried pine. Kiln-dried pine is also the cheapest rabbit litter on the market. And since it does a comparable job to all the other litters, pine shavings as rabbit litter and rabbit bedding gets our top vote. See Rabbit Bedding for comparisons with several other rabbit bedding materials, and more recommendations.
What is a European Sham and why do I need one? You know those gorgeous looking bedding ensembles you see in furniture stores and decorator magazines? The secret is using layers of pillows! The European Sham is the pillow covering for a large square pillow that typically measures 26x26. This is the first layer against the headboard, then you arrange your Standard/Queen shams (20x26) or King size shams (20x36).