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1.
Rev Sci Tech ; 14(3): 865-71, 1995 Sep.
Article in English | MEDLINE | ID: mdl-8593416

ABSTRACT

Four mycoplasma-like organisms isolated from ewes with mucopurulent vaginal discharge and swollen vulva were characterised. Biochemical tests showed three of the isolates to be negative for glucose fermentation and arginine hydrolysis, while the remaining isolate was negative for glucose fermentation but hydrolysed arginine. Serological identification using the growth inhibition, growth precipitation and indirect immunofluorescence tests indicated the three similar isolates as Mycoplasma bovigenitalium and the other isolate as Mycoplasma arginini. There are apparently no previous reports of the isolation of these organisms from the genital tract of sheep in Nigeria.


Subject(s)
Mycoplasma Infections/veterinary , Mycoplasma/isolation & purification , Sheep Diseases/microbiology , Vulvovaginitis/veterinary , Animals , Antibodies, Bacterial/blood , Female , Immune Sera/immunology , Mycoplasma/immunology , Mycoplasma Infections/microbiology , Nigeria , Sheep , Vagina/microbiology , Vulva/microbiology , Vulvovaginitis/microbiology
3.
Vet Q ; 8(2): 145-9, 1986 Apr.
Article in English | MEDLINE | ID: mdl-3088816

ABSTRACT

Glutaraldehyde-treated whole cell antigens (GA.WcA) of Dermatophilus congolensis induced in guinea pigs immunological memory in contrast to cell wall antigens treated similarly (GA.CwA). However, GA.WcA could not induce a secondary response in animals primed with untreated WcA while GA.CwA on the other hand did stimulate a secondary response in animals primed with untreated CwA. Primary antibody production was induced by both GA.CwA and untreated CwA to a similar level in their respective hosts but it was the secondary response that was found similar in response to GA.WcA and untreated WcA. However, both untreated WcA and CwA induced primary and secondary antibody production in their respective hosts though these responses were considerably higher in guinea pigs given untreated CwA. This study showed that both untreated and GA-treated antigens of D. congolensis are capable of stimulating antibody production in guinea pigs but they differ in their levels of stimulation.


Subject(s)
Aldehydes/pharmacology , Antibody Formation/drug effects , Antigens/immunology , Glutaral/pharmacology , Mites/immunology , Animals , Cell Wall/immunology , Guinea Pigs
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