Detection the some developmental stages of Babesia spp in hemolymph and midgut of adult females of Boophilus microplus naturally on cattle in Mosul city
Iraqi Journal of Veterinary Sciences,
2017, Volume 31, Issue 2, Pages 67-75
AbstractThis study involved the detection of vermicules of Babesia spp in the hemolymph of Boophilus microplus adult females naturally fed on cattle after their remaining a live for 5 to 8 days under laboratory conditions and the detection of some developmental stages (schizonts, rupture of schizonts, small dark collar bodies and migration of vermicules from the hemolymph to different tissues of tick). Both vermicules of B. bovis and B. bigemina were diagnosed. The vermivules of B. bovis appeared as croissant or club-shaped bodies with a broad anterior ending and pointed posterior one and having a central nucleus and a vacuole in the anterior end with a curved or semi curved tail. The vermicules of B. bigemina had a croissant or club –shaped bodies with a lesser width in their anterior end than in B. bovis with no vacuole and with a straight tail. The average length of B. bovis was 13.92 ±1.34 µ with a range of 11.8-15.8µ and average width of 3.23±0.44 µ with a range of 2.7-4µ. The average length of B. bigemina was 11.39±1.12µ with a range of 9.5-13µ and average width of 2.2±0.51µ with a range of 1.5-3µ. The results of current study revealed that their was a direct and proportional relationship between the parasitemia of B. bovis and B. bigemina in cattle blood smears and the number of vermicules in the hemolymph of female of Boophilus microplus. No significant differences were noticed between (number and percentage of Boophilus microplus females) infected with vermicules of Babesia spp at different aged cattle.
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