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Hormone Injections For Egg-Laying Hens?

Excessive egg-laying in parrots can cause serious health and behavior problems, but hormone injections can help prevent it.

Margaret A. Wissman, DVM
Posted: July 9, 2006, 10:30 a.m. PDT

Goffin's cockatoo
Hormone injections may help curb excessive egg laying in pet birds.

As we learn how to properly care for our pet birds, they are living longer and healthier lives. One side effect of all this is that pet birds are approaching sexual maturity at early ages and often begin demonstrating sexual behaviors. Excessive egg-laying in hens — cockatielsEclectus and many cockatoo species are prone to this behavior — can lead to health problems.

Egg-laying hens require a balanced, healthy diet and additional calcium. Cuttlebone, mineral blocks, cottage cheese or other types of cheese (the lactose is removed in the process of making these products), TumsTM and almonds are all good sources of calcium.  Full-spectrum light or natural sunlight (not filtered through glass or plastic) to provide UVB ultraviolet light is necessary for normal calcium metabolism.
 
There are several options for dealing with an egg-laying hen. These include manipulation of her environment and, as a last resort, surgery. In the right situation, hormonal injections are a good option, too, but they will work best if you change the bird's environment (less daylight hours, removing perceived nesting areas, etc.) at the same time.
 
Leuprolide acetate (LupronTM) can be very effective in stopping egg-laying, especially if injections are given prior to the first egg being laid. Chorionic gonadotropin or human chorionic gonadotropin (HCG), another popular hormone, costs less than leuprolide acetate, but it works best if the bird receives the first injection before she ovulates. For this to happen, owners need to observe the hen's mood and be able to tell when she's acting “broody.” If the hen ovulates before receiving the injection, then she will likely lay at least one egg.

Medroxyprogesterone acetate can cause dangerous and potentially deadly side effects, so I do not recommend it.
 
Melatonin, another hormone, is secreted by the pineal gland (a small gland in the middle of the brain), and it is involved in the sleep-wake cycle. Research on this hormone is ongoing, sometimes in conjunction with other medications for egg-laying problems (and also for feather-picking).
 
The decision of what to do for an egg-laying hen should be made based on her medical condition, your avian veterinarian's opinion and the owner's feelings on the subject. If your avian vet is not well-versed in reproductive issues, ask him or her to request a consultation with an avian specialist affiliated with their veterinary diagnostic lab.

Parrot Egg-Laying Dilemma
Find out how to keep your parrot healty when she lays clutches of bird eggs in this article here.

Looking for more information? Check out these articles:

Common Signs Of Hormonal Birds
The Bird Egg: Inside & Out

 

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Hormone Injections For Egg-Laying Hens?

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Reader Comments
good info
n, n, TN
Posted: 4/15/2013 8:14:19 AM
very interesting
Erin, Altoona, PA
Posted: 4/13/2013 6:28:35 PM
i think injections should be the very last choice in an emergency situation
stephanie, north smithfield, RI
Posted: 4/12/2013 9:31:16 AM
i would worry about side effects of injections...too risky i think
Gabby, San Diego, CA
Posted: 4/11/2013 9:08:14 PM
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