Babesia spp. infection in Boophilus microplus engorged females and eggs in São Paulo State, Brazil
Babesia spp. infections were investigated in Bos taurus × Bos indicus dairy cows and calves and in Boophilus microplus engorged female ticks and eggs. Blood samples and engorged female ticks were collected from 25 cows and 27 calves. Babesia spp. was detected in ticks by microscopic examination of h...
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| Veröffentlicht in: | Veterinary parasitology 2005-06, Vol.130 (1), p.61-67 |
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| creator | Oliveira, M.C.S. Oliveira-Sequeira, T.C.G. Araujo, J.P. Amarante, A.F.T. Oliveira, H.N. |
| description | Babesia spp. infections were investigated in
Bos taurus ×
Bos indicus dairy cows and calves and in
Boophilus microplus engorged female ticks and eggs. Blood samples and engorged female ticks were collected from 25 cows and 27 calves.
Babesia spp. was detected in ticks by microscopic examination of hemolymph of engorged female and by squashes of egg samples. Cattle infection was investigated in blood thin smears and by DNA amplification methods (PCR and nested PCR), using specific primers for
Babesia bovis and
Babesia bigemina. Merozoites of
B. bovis (3 animals) and
B. bigemina (12 animals) were detected exclusively in blood smears of calves. DNA amplification methods revealed that the frequency of
B. bigemina infection in calves (92.6%) and in cows (84%) and of
B. bovis in calves (85.2%) and in cows (100%) did not differ significantly (
P
>
0.05).
Babesia spp. infection was more frequent in female ticks and eggs collected from calves (
P
<
0.01) than from cows, especially in those which had patent parasitemia. Hatching rates of
B. microplus larvae were assessed according to the origin of engorged females, parasitemia of the vertebrate host, frequency and intensity of infection in engorged female tick, and frequency of egg infection. Hatching rate was lower in samples collected from calves (
P
<
0.01) than from cows, and in those in which
Babesia spp. was detected in egg samples (
P
<
0.01). |
| doi_str_mv | 10.1016/j.vetpar.2005.03.007 |
| format | Article |
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Bos taurus ×
Bos indicus dairy cows and calves and in
Boophilus microplus engorged female ticks and eggs. Blood samples and engorged female ticks were collected from 25 cows and 27 calves.
Babesia spp. was detected in ticks by microscopic examination of hemolymph of engorged female and by squashes of egg samples. Cattle infection was investigated in blood thin smears and by DNA amplification methods (PCR and nested PCR), using specific primers for
Babesia bovis and
Babesia bigemina. Merozoites of
B. bovis (3 animals) and
B. bigemina (12 animals) were detected exclusively in blood smears of calves. DNA amplification methods revealed that the frequency of
B. bigemina infection in calves (92.6%) and in cows (84%) and of
B. bovis in calves (85.2%) and in cows (100%) did not differ significantly (
P
>
0.05).
Babesia spp. infection was more frequent in female ticks and eggs collected from calves (
P
<
0.01) than from cows, especially in those which had patent parasitemia. Hatching rates of
B. microplus larvae were assessed according to the origin of engorged females, parasitemia of the vertebrate host, frequency and intensity of infection in engorged female tick, and frequency of egg infection. Hatching rate was lower in samples collected from calves (
P
<
0.01) than from cows, and in those in which
Babesia spp. was detected in egg samples (
P
<
0.01).</description><identifier>ISSN: 0304-4017</identifier><identifier>EISSN: 1873-2550</identifier><identifier>DOI: 10.1016/j.vetpar.2005.03.007</identifier><identifier>PMID: 15893070</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Animals ; Arachnid Vectors - parasitology ; Babesia bigemina ; Babesia bovis ; Babesia bovis - genetics ; Babesia bovis - growth & development ; Babesiosis - blood ; Babesiosis - parasitology ; Babesiosis - veterinary ; Boophilus microplus ; Brazil ; Cattle ; Cattle Diseases - parasitology ; DNA, Protozoan - chemistry ; DNA, Protozoan - genetics ; Female ; Hemolymph - parasitology ; Infection rates ; Ixodidae - parasitology ; Parasitemia - parasitology ; Parasitemia - veterinary ; Polymerase Chain Reaction - veterinary ; Tick Infestations - veterinary</subject><ispartof>Veterinary parasitology, 2005-06, Vol.130 (1), p.61-67</ispartof><rights>2005</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c457t-3d73ab5453dd8c4880263b6a35560a10a0e3fa2c0b1bf7f4e9c53654350d53d03</citedby><cites>FETCH-LOGICAL-c457t-3d73ab5453dd8c4880263b6a35560a10a0e3fa2c0b1bf7f4e9c53654350d53d03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304401705001068$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15893070$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Oliveira, M.C.S.</creatorcontrib><creatorcontrib>Oliveira-Sequeira, T.C.G.</creatorcontrib><creatorcontrib>Araujo, J.P.</creatorcontrib><creatorcontrib>Amarante, A.F.T.</creatorcontrib><creatorcontrib>Oliveira, H.N.</creatorcontrib><title>Babesia spp. infection in Boophilus microplus engorged females and eggs in São Paulo State, Brazil</title><title>Veterinary parasitology</title><addtitle>Vet Parasitol</addtitle><description>Babesia spp. infections were investigated in
Bos taurus ×
Bos indicus dairy cows and calves and in
Boophilus microplus engorged female ticks and eggs. Blood samples and engorged female ticks were collected from 25 cows and 27 calves.
Babesia spp. was detected in ticks by microscopic examination of hemolymph of engorged female and by squashes of egg samples. Cattle infection was investigated in blood thin smears and by DNA amplification methods (PCR and nested PCR), using specific primers for
Babesia bovis and
Babesia bigemina. Merozoites of
B. bovis (3 animals) and
B. bigemina (12 animals) were detected exclusively in blood smears of calves. DNA amplification methods revealed that the frequency of
B. bigemina infection in calves (92.6%) and in cows (84%) and of
B. bovis in calves (85.2%) and in cows (100%) did not differ significantly (
P
>
0.05).
Babesia spp. infection was more frequent in female ticks and eggs collected from calves (
P
<
0.01) than from cows, especially in those which had patent parasitemia. Hatching rates of
B. microplus larvae were assessed according to the origin of engorged females, parasitemia of the vertebrate host, frequency and intensity of infection in engorged female tick, and frequency of egg infection. Hatching rate was lower in samples collected from calves (
P
<
0.01) than from cows, and in those in which
Babesia spp. was detected in egg samples (
P
<
0.01).</description><subject>Animals</subject><subject>Arachnid Vectors - parasitology</subject><subject>Babesia bigemina</subject><subject>Babesia bovis</subject><subject>Babesia bovis - genetics</subject><subject>Babesia bovis - growth & development</subject><subject>Babesiosis - blood</subject><subject>Babesiosis - parasitology</subject><subject>Babesiosis - veterinary</subject><subject>Boophilus microplus</subject><subject>Brazil</subject><subject>Cattle</subject><subject>Cattle Diseases - parasitology</subject><subject>DNA, Protozoan - chemistry</subject><subject>DNA, Protozoan - genetics</subject><subject>Female</subject><subject>Hemolymph - parasitology</subject><subject>Infection rates</subject><subject>Ixodidae - parasitology</subject><subject>Parasitemia - parasitology</subject><subject>Parasitemia - veterinary</subject><subject>Polymerase Chain Reaction - veterinary</subject><subject>Tick Infestations - veterinary</subject><issn>0304-4017</issn><issn>1873-2550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc-KFDEQh4Mo7rj6BiI5ebLbylTS6b0IzuI_WFBYPYd0Uj1m6O60SffC-jo-ii9mhhnwppdKHb5fFamPsecCagGieX2o72iZbaq3AKoGrAH0A7YRrcZqqxQ8ZBtAkJUEoS_Yk5wPACCh0Y_ZhVDtFYKGDXM721EOlud5rnmYenJLiFPp-C7G-XsY1szH4FKcjx1N-5j25HlPox0oczt5Tvt9PgZuf_-K_Itdh8hvF7vQK75L9mcYnrJHvR0yPTu_l-zb-3dfrz9WN58_fLp-e1M5qfRSoddoOyUVet862bawbbBrLCrVgBVggbC3Wwed6HrdS7pyChslUYEvGcBL9vI0d07xx0p5MWPIjobBThTXbBrdohal_A8UupECEAsoT2D5f86JejOnMNp0bwSYowVzMCcL5mjBAJpiocRenOev3Uj-b-h89gK8OQFUznEXKJnsAk2OfEhFgPEx_HvDH00umoA</recordid><startdate>20050610</startdate><enddate>20050610</enddate><creator>Oliveira, M.C.S.</creator><creator>Oliveira-Sequeira, T.C.G.</creator><creator>Araujo, J.P.</creator><creator>Amarante, A.F.T.</creator><creator>Oliveira, H.N.</creator><general>Elsevier B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SS</scope><scope>M7N</scope><scope>7X8</scope></search><sort><creationdate>20050610</creationdate><title>Babesia spp. infection in Boophilus microplus engorged females and eggs in São Paulo State, Brazil</title><author>Oliveira, M.C.S. ; Oliveira-Sequeira, T.C.G. ; Araujo, J.P. ; Amarante, A.F.T. ; Oliveira, H.N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c457t-3d73ab5453dd8c4880263b6a35560a10a0e3fa2c0b1bf7f4e9c53654350d53d03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Animals</topic><topic>Arachnid Vectors - parasitology</topic><topic>Babesia bigemina</topic><topic>Babesia bovis</topic><topic>Babesia bovis - genetics</topic><topic>Babesia bovis - growth & development</topic><topic>Babesiosis - blood</topic><topic>Babesiosis - parasitology</topic><topic>Babesiosis - veterinary</topic><topic>Boophilus microplus</topic><topic>Brazil</topic><topic>Cattle</topic><topic>Cattle Diseases - parasitology</topic><topic>DNA, Protozoan - chemistry</topic><topic>DNA, Protozoan - genetics</topic><topic>Female</topic><topic>Hemolymph - parasitology</topic><topic>Infection rates</topic><topic>Ixodidae - parasitology</topic><topic>Parasitemia - parasitology</topic><topic>Parasitemia - veterinary</topic><topic>Polymerase Chain Reaction - veterinary</topic><topic>Tick Infestations - veterinary</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Oliveira, M.C.S.</creatorcontrib><creatorcontrib>Oliveira-Sequeira, T.C.G.</creatorcontrib><creatorcontrib>Araujo, J.P.</creatorcontrib><creatorcontrib>Amarante, A.F.T.</creatorcontrib><creatorcontrib>Oliveira, H.N.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>MEDLINE - Academic</collection><jtitle>Veterinary parasitology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Oliveira, M.C.S.</au><au>Oliveira-Sequeira, T.C.G.</au><au>Araujo, J.P.</au><au>Amarante, A.F.T.</au><au>Oliveira, H.N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Babesia spp. infection in Boophilus microplus engorged females and eggs in São Paulo State, Brazil</atitle><jtitle>Veterinary parasitology</jtitle><addtitle>Vet Parasitol</addtitle><date>2005-06-10</date><risdate>2005</risdate><volume>130</volume><issue>1</issue><spage>61</spage><epage>67</epage><pages>61-67</pages><issn>0304-4017</issn><eissn>1873-2550</eissn><abstract>Babesia spp. infections were investigated in
Bos taurus ×
Bos indicus dairy cows and calves and in
Boophilus microplus engorged female ticks and eggs. Blood samples and engorged female ticks were collected from 25 cows and 27 calves.
Babesia spp. was detected in ticks by microscopic examination of hemolymph of engorged female and by squashes of egg samples. Cattle infection was investigated in blood thin smears and by DNA amplification methods (PCR and nested PCR), using specific primers for
Babesia bovis and
Babesia bigemina. Merozoites of
B. bovis (3 animals) and
B. bigemina (12 animals) were detected exclusively in blood smears of calves. DNA amplification methods revealed that the frequency of
B. bigemina infection in calves (92.6%) and in cows (84%) and of
B. bovis in calves (85.2%) and in cows (100%) did not differ significantly (
P
>
0.05).
Babesia spp. infection was more frequent in female ticks and eggs collected from calves (
P
<
0.01) than from cows, especially in those which had patent parasitemia. Hatching rates of
B. microplus larvae were assessed according to the origin of engorged females, parasitemia of the vertebrate host, frequency and intensity of infection in engorged female tick, and frequency of egg infection. Hatching rate was lower in samples collected from calves (
P
<
0.01) than from cows, and in those in which
Babesia spp. was detected in egg samples (
P
<
0.01).</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>15893070</pmid><doi>10.1016/j.vetpar.2005.03.007</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0304-4017 |
| ispartof | Veterinary parasitology, 2005-06, Vol.130 (1), p.61-67 |
| issn | 0304-4017 1873-2550 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_67837178 |
| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Animals Arachnid Vectors - parasitology Babesia bigemina Babesia bovis Babesia bovis - genetics Babesia bovis - growth & development Babesiosis - blood Babesiosis - parasitology Babesiosis - veterinary Boophilus microplus Brazil Cattle Cattle Diseases - parasitology DNA, Protozoan - chemistry DNA, Protozoan - genetics Female Hemolymph - parasitology Infection rates Ixodidae - parasitology Parasitemia - parasitology Parasitemia - veterinary Polymerase Chain Reaction - veterinary Tick Infestations - veterinary |
| title | Babesia spp. infection in Boophilus microplus engorged females and eggs in São Paulo State, Brazil |
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