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 Post subject: Is this normal??
PostPosted: Sat Jan 19, 2008 2:50 pm 
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Joined: Sun Dec 09, 2007 8:32 am
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Location: Gold Coast, QLD
I was hoping someone could give me some advice.

3 or 4 weeks ago i bought 5 wyandotte chicks who appeared to be fine but on getting them home i discovered they were riddled with lice, i have since treated them and they are now pest free, but they have started to get their feathers now and i have noticed they are rather ratty looking in most of the chicks, but one in partucular looks worse than the others, i thought that this maybe due to their lice infestation. I've been watching them closely over the last week and the one i thought looked worse has very read skin, its breast bone feals very sharp and a little sunken on the sides and its feathers look even worse.. have they got some kind of disease?? I'm posting some pics in the whats wrong gallery.
Thanx
Kam


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PostPosted: Sun Jan 20, 2008 10:08 am 
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Hi Kam31, Mite can do more damage than most think,


Feather mites(familyAnalgesidae)
often show specific preferences for different locationson thefeathers or for specific types of feather. Quill mites (Syringophilus, Dermoglyphus) burrow into the feather shaft resulting in a powdery-white appearance. After the feather has been eaten away the calamus remains within the follicle which may fail to regenerate normal feathers. The mites can be demonstrated amongst the powdery debris squeezed out of an affected feather shaft. Many species of Cnemidocoptesmites cause mangein birds. The most common are C. mutansof poultry and C. pilae in budgerigars (and many other parrots) and canaries. The mites spend their entire life on the bird. The lesions can occur on any featherless part of the skin and are characterised by raised honeycombed encrustations on the cere, beak, eyelids and feet. Occasionally it becomes generalised and affects feather follicles. Cnemidocoptic mange is easily controlled with 2 treatments of moxidectin or ivermectin (200 μg/kg) 4 weeks apart. The drug can diluted and administered directly to the skin or in the drinking water. Dermanyssus gallinae and Ornithonyssus sylvarium are large mites which attack poultry and other bird species. They are blood sucking mites which may be found on or off the host. Dermanyssus lay eggs off the host, Ornithonyssus on the host. Their life cycle is completed in 7 days. Heavy infection causes irritation and anaemia. Both mites may infect humans causing pruritis. Wild birds (particularly sparrows and starlings) nesting in houses are sometimes the source of mites which attack humans. Mites are probably the most common ectoparasite that affect birds. They are usually smaller than 2 mm and transmit many diseases Feather mite –

Dermanyssus gallinae (red mite)

White when fasting, red when eating

Can affect all birds, not so much raptors and psittacine birds

Does not live on bird - visits at night

Feeds at night. Female lays eggs 12 hours after a feed, hatch in 48 hours

Adults survive 8-12 months without feeding

Not common on raptors and psittacine birds

Northern Mite – Ornithonyssus sylvarum

Life cycle entirely on host

Can survive only a few days off host

Most bird species susceptible

Direct transmission

Ornithonyssus sp commonly found on nestling psittacine birds.

Mites can survive up to 4 weeks off the host (Arends, 1997).


Lice

Many species of lice can affect the skin of birds usually without feather damage. Lice are larger than mites and are usually apathogenic although they may cause a mild pruritis. Dull, damaged feathers, presence of eggs.

Very common external parasites of birds - larger than mites.

Dorso-ventrally flattened body.

No wings, legs have hooks at the end

Eggs laid on feathers

Heaviest infections on sick birds

They tend to be HOST-specific - transmission direct

Pruritis, damaged feathers, dull plumage

Lice can be seen with eyes – but do you observe them????

Presence of eggs – some look like wasp nests around calamus

Treatment - once a week, 2-3 times:
<
pyrethrin-based insecticides
<
Ivermectin/moxidectin for BITING lice
<
Lice cannot survive away from the host so treatment of the environment is not
absolutely essential.

Hope this helps

Thanks
P.A :lol: :lol:


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PostPosted: Sun Jan 20, 2008 12:19 pm 
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Joined: Sun Dec 09, 2007 8:32 am
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Location: Gold Coast, QLD
Thanx P.A for your advice, they did have mites as well as the lice, they seem to be pest free now, can i use moxidectin or ivermectin still or only when they have the mites or lice?? one more thing, if this is from pesties will he (pretty sure its a roo) have normal feasthers again or will they stay like that?

Cheers

Kam


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PostPosted: Sun Jan 20, 2008 1:32 pm 
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Hi Kam31, yes you can & should re-treat him usually after 7-10 days. Yes his feather will re-grow after he goes through a full moult.




Thanks
P.A :lol: :lol:


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PostPosted: Sun Jan 20, 2008 6:59 pm 
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Location: Gold Coast, QLD
Thank you really appreciate the advice..

:)


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