Feeding birds throughout the winter is a humanitarian act. However, poorly maintained wild bird feeders may cause the birds you are trying to help, some real problems. Recently, there have been increasing reports of songbird diseases that have been spread through bird feeding.Therefore if we attract birds to our yards, we have an obligation to do our best to offer them an environment that reflects the prevention of the potential of disease.
MOST COMMON DISEASES SPREAD AT BIRD FEEDERS
Salmonellosis is the most commonly spread disease at feeders. This bacterial disease can kill birds quickly. Symptoms include abscesses in the lining of the upper digestive tract of the birds. Infected birds spread the bacteria in their droppings. Other birds get sick when infected droppings land on food.
Other diseases that affect birds typically using feeders also include:
- Trichomoniasis - caused by a one-celled protozoan parasite. Mourning doves are particularly susceptible. Trichomoniasis causes sores in birds’ mouths and throats, making it difficult for birds to swallow or drink. The disease spreads when sick birds drop contaminated food or water at a feeder or watering area.
- Aspergillosis - a mold that grows on damp feed and in the debris beneath feeders. Birds inhale the mold spores and infection spreads in the lungs, causing bronchitis and pneumonia.
- Avian Pox - a virus that causes wart like growths on featherless surfaces of a bird’s face, feet, legs or wings. Virus spreads by direct contact, by insects or by viruses shed on food by infected birds.
- Avian influenza (H5N1) virus - much in the news, this disease has infected poultry throughout Asia, Russia, and Europe, but has not yet been identified in any birds in North America, or the Western Hemisphere, explained Jim Hermes, OSU Extension poultry specialist.
MAINTAIN YOUR WILD BIRD FEEDERS
Poorly maintained feeders may contribute to the spread of infectious diseases among birds
- Place only enough birdseed into the feeder that birds can consume in two or three days. This will help prevent the accumulation of wet and molding seeds
- Don’t throw feed on the ground. It’s healthier for songbirds to feed at a feeder, not directly from the ground. In a feeder, the food can be kept dry, and protected from contamination
- Give the birds enough space. Lots of birds using a single feeder look wonderful, but crowding is a key factor in spreading disease. Do you have only one feeder? Get another if your feeder is crowded. Place feeders several feet apart.
- Clean your feeder and the droppings on the perching area each time you fill your feeder.
Clean all hulls off platform feeders and out of seed trays daily. - Give your seed feeders (especially thistle and tube feeders) a shake before you refill them, to dislodge any compacted seed. (Scrape when necessary). Dump out any wet clumps of old seed.
- Purchase feeders that are made of materials that are easier to clean, such as metal and plastic
- Disinfect the feeder once or twice a month with one cleaning solution (1/4 cup of bleach to 2 gallons of warm water). Completely immerse feeders for at least three minutes and then allowing them to dry
When cleaning your feeders wear gloves and wash your hands afterwards. Avian salmonellosis, one of the diseases common among birds using feeders, is a strain of bacteria that can potentially affect humans and pets.
clean the feeder outdoors in a bucket, rather than in the kitchen sink.
If left to decompose, hulls can harbor bacteria that can spread disease to your backyard birds
- Keep the feeder area clean of waste food and droppings. A broom and shovel work well, but a vacuum such as what you might use in your garage or workshop will help even more.
- Discard the seed waste with the household trash
- Move your feeding station when the ground beneath it becomes covered with seed hulls and droppings. Rake the old site to remove hulls and to give the grass a chance to recover.
- One way to minimize the cleaning needed is to use no-waste seeds or seed mixes that contain hulled seeds and to offer only the preferred seeds for the bird species in your area.
Moldy seed or bread or spoiled leftovers doesn’t do them any more good than it would do you.
- Keep food and food-storage containers dry and free of mold and fungus.
Discard food that smells musty, is wet, looks moldy or has fungus growing on it. - Disinfect any storage container that holds spoiled food as well as the scoop used to fill feeders.
- If pet or bird food recalls have been issued in your area, compare the recalled items to your supply and discard any affected products.
- Prevent contamination by storing food appropriately..Keep rodents out of food. Mice can carry and spread some bird diseases without being affected themselves.
Small scratches or cuts allow bacteria and viruses to infect a bird more easily
Act early - Don’t wait to act until you see sick or dead birds. With good prevention, you’ll seldom find sick or dead birds at your feeders
Encourage your neighbors who feed birds to follow the same precautions. Birds normally move among feeders and can spread diseases as they go. The safest bird feeders will be those in communities where neighbors cooperate with equal concern for the health of the birds.
I acquired much of my information from Bird Feeder Maintenance ,Clean bird feeders to prevent disease , Keeping Feeders Clean
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