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Dear Madam/Sir,
The symptoms you are describing are indicative for an adenovirus type I problem complexed with E. coli or hexamita, if the birds you are talking about are of young age. It could be wise to treat your birds for this disease (antibiotics) in accordance with your veterinarian and let the birds be examined to exclude other causes that could complex the problem. If the problems are occuring with old pigeons, there could be a problem with adenovirus type II, candida, herpes and/or trichomoniasis.
Kind regards
Dear Sir,
From the symptoms you describe this could be adenovirus, but a medical examination should be necessary to exclude all other causes. You can treat the birds for secundary bacterial infections like E. coli. These are antibiotics like trimetoprim, amoxicilline, doxycycline, lincomycine, enrofloxacine,... An antibiogram can be of help to determine the right medication.
Kind regards
Dear Sir,
Young bird sickness is caused by an adenovirus typical for pigeons (type I). This virus primary causes dammage to the liver and intestines. The liver and intestinal inflammation causes diarrhoea. The hepatitis causes also the vomiting and the not digesting of food. In a lot of cases other agents such as Escherichia coli (a bacteria) or hexamita (protozoön) takes advantage of the situation and causes more intestinal inflammation and diarrhoea. E. coli is normally present in the intestines of ALL pigeons. There is no such thing as getting rid of E. coli. This is the same for other bacteria like staphylococs, streptococs, etc... There is no treatment against the adenovirus although I have seen that pigeons vaccinated for paratyphus are less susceptible for the disease (and all kinds of diseases). Off course you can treat for the secundary infections (treatment for E. coli and hexamita) after clinical examination of the birds and exclusion of other possible infections. If the antibiotics do not help, it could be wise to do an antibiogram of the E. coli as there is a tremendous antibiotic resistance rate in E. coli. At the same time it is wise to give light digestible food and perhaps also a liver protection like sedochol, biochol or...
Kind regards
Dear Madam/Sir,
This is indeed most probably adenovirus type I. A bird can have a good appetite a while after it has vomitted.
Other causes for vomiting can be trichomoniasis, candidiasis (, herpes).
Kind regards
Dear Sir,
I cannot make a diagnosis without seeing birds and taking samples, but I can give you some information what possible diseases could give the problems you are seeing with your birds.
As possible diseases I'm thinking of paratyphus, trichomoniasis and adeno virus. There is a big chance the birds are also infected with circo virus and therefore lack the immunity to cope with diseases. You can find more information on these diseases by clicking on the corresponding tags. Let your birds be examined by an avian vet to get a correct diagnosis.
Kind regards
Dear Madam/Sir,
It is very possible the pigeon has the adenovirus type II. This is a very serious illness that causes complete destruction of the liver and death of the pigeon. It is very important you get the bird into quarantine and desinfect the lofts completely.
The bird will normally die if it is this virus. If there is another (bacterial) cause for these symptoms you can give the bird antibiotics, sedochol and electrolytes, if necessary by injection by your veterinarian. A clinical examination is always of help.
Kind regards
Dear Andrew,
The symptoms you describe could be caused by a yeast (candida) or a viral infection. Both can not be treated with antibiotics. Candida especially can occur when antibiotics are given. Enrofloxacine itself normally doesn't give side effects with the dosage you describe.
It is not always absolutely necessary to treat with antibiotics before vaccination, only when there is really a diagnosis and/or a strong suspicion for paratyphoid. In your case I would just vaccinate the birds without any other treatment. Be well aware, though, that the birds are completely healthy at the moment of inoculation.
Kind regards