age and seasonal variations in the prevalence of oestrus ovis larvae among sheep in northern jordan.during the period march 1996-july 1997, 417 heads of awassi sheep slaughtered at the irbid abattoir (northern jordan) were examined for the three larval instars (l1, l2 and l3) of oestrus ovis. of the 417 heads, 242 (58%) were infested with o. ovis larvae. larval numbers were highly aggregated. the lowest number of larvae and the lower quartile were both zero, whilst the median was two and the upper quartile was 12. the highest number of larvae recovered from one head was 151. all three larval i ...200011058780
seroprevalence of, and risk factors for, peste des petits ruminants in sheep and goats in northern jordan.peste des petits ruminants (ppr) is an economically important disease that affect sheep and goat industry in asia and africa. in this study, we investigated the seroprevalence, and risk factors, of ppr in sheep and goat flocks from five different governorates (irbid, jarash, ajloun, mafraq and zarka) located in northern jordan. serum samples from 929 and 400 sheep and goats, respectively, corresponding to 122 sheep flock and 60 goats flock were collected. seroprevalence was determined using ppr ...200818291541
oestrus ovis larval myiasis among goats in northern jordan.from december 1998 to december 1999, heads of 520 local goats slaughtered at the irbid, ramtha and howarra abattoirs (northern jordan) were examined for the three larval instars (l(1)-l(3)) of oestrus ovis. of 520 heads, 126 (24%) were infested with o. ovis larvae. all three larval instars were observed in both sexes; all age groups were infested in each month of the year. the mean age of the goats sampled was 1.5 years. the numbers of parasites infesting hosts showed a significant (p<0.05) corr ...200312719013
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