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Biblioteca (s) : |
INIA Las Brujas. |
Fecha : |
14/03/2022 |
Actualizado : |
14/03/2022 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
MIRABALLES, C.; TAÑO, M.; RIET-CORREA, F. |
Afiliación : |
MÓNICA CECILIA MIRABALLES FERRER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MANUEL TAÑO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; Facultad de Veterinaria, Universidad de la República, Montevideo, Uruguay; FRANKLIN RIET-CORREA AMARAL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; Programa de pós-graduação em Ciência Animal nos Trópicos, Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Salvador, CEP 40170, Brazil. |
Título : |
Evaluation of the one-side tick counting technique and of the level of infestation of bovines with Rhipicephalus microplus. |
Fecha de publicación : |
2022 |
Fuente / Imprenta : |
Experimental and Applied Acarology, 2022. [Article In Press]. doi: https://doi.org/10.1007/s10493-022-00691-1 |
ISSN : |
0168-8162 |
DOI : |
10.1007/s10493-022-00691-1 |
Idioma : |
Inglés |
Notas : |
Article history: Received: 12 December 2020; Accepted: 18 January 2022.
Corresponding author: Riet-Correa, F.; Programa de pós-graduação em Ciência Animal nos Trópicos, Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Salvador, Brazil; email:franklinrietcorrea@gmail.com -- Funding text: We would like to acknowledge Dr. Javier Sanchez and Dr. Henrik Stryhn for collaborating with the data analysis and Tatiana Saporitti for performing the acaricide resistance tests. The research presented in this publication was supported by funds from the National Agency for Research and Innovation (ANII) under code MOV_IDRC_2018_2_153357. |
Contenido : |
ABSTRACT. - Counting ticks on one side of a bovine has been widely used to estimate the overall number of ticks; however, the accuracy of this method has not been determined. This work aimed to evaluate the one-side technique for counting ticks, identify bovines with a higher level of infestation, and determine the prevalence of infestation of adults and calves. To evaluate the one-side technique, ticks were counted on both sides of 352 bovines from three farms in nine months, and total numbers were correlated with the numbers counted on the left sides. The intraclass correlation coefficients reached values >0.99 for all farms, independent of the season. These results demonstrated that counting ticks on one-side and multiplying by 2 is a reliable method for estimating the overall number of ticks. To evaluate the level of infestation of various bovines, ticks were counted monthly, for 12 months, on the same bovines from seven farms. An animal was considered highly infested if the Anscombe residuals from a negative binomial GLM were ≥4, at least 2×. The number of bovines with infestation levels higher than expected varied among farms from zero to 3. Using this method, it is possible to evaluate the most infested bovines in order to remove them from the herd. The prevalence of infestation in calves reached 100% in five of the seven farms and 3- to 15-month-old calves had significantly higher infestation than adults.
© 2022, The Author(s), under exclusive licence to Springer Nature Switzerland AG. MenosABSTRACT. - Counting ticks on one side of a bovine has been widely used to estimate the overall number of ticks; however, the accuracy of this method has not been determined. This work aimed to evaluate the one-side technique for counting ticks, identify bovines with a higher level of infestation, and determine the prevalence of infestation of adults and calves. To evaluate the one-side technique, ticks were counted on both sides of 352 bovines from three farms in nine months, and total numbers were correlated with the numbers counted on the left sides. The intraclass correlation coefficients reached values >0.99 for all farms, independent of the season. These results demonstrated that counting ticks on one-side and multiplying by 2 is a reliable method for estimating the overall number of ticks. To evaluate the level of infestation of various bovines, ticks were counted monthly, for 12 months, on the same bovines from seven farms. An animal was considered highly infested if the Anscombe residuals from a negative binomial GLM were ≥4, at least 2×. The number of bovines with infestation levels higher than expected varied among farms from zero to 3. Using this method, it is possible to evaluate the most infested bovines in order to remove them from the herd. The prevalence of infestation in calves reached 100% in five of the seven farms and 3- to 15-month-old calves had significantly higher infestation than adults.
© 2022, The Author(s), under exclusive licence to Spri... Presentar Todo |
Palabras claves : |
Acaricides; Cattle; Counting ticks; Integrated pest management; PLATAFORMA SALUD ANIMAL; Tick burden; Ticks. |
Asunto categoría : |
L01 Ganadería |
Marc : |
LEADER 03034naa a2200265 a 4500 001 1062827 005 2022-03-14 008 2022 bl uuuu u00u1 u #d 022 $a0168-8162 024 7 $a10.1007/s10493-022-00691-1$2DOI 100 1 $aMIRABALLES, C. 245 $aEvaluation of the one-side tick counting technique and of the level of infestation of bovines with Rhipicephalus microplus.$h[electronic resource] 260 $c2022 500 $aArticle history: Received: 12 December 2020; Accepted: 18 January 2022. Corresponding author: Riet-Correa, F.; Programa de pós-graduação em Ciência Animal nos Trópicos, Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia, Salvador, Brazil; email:franklinrietcorrea@gmail.com -- Funding text: We would like to acknowledge Dr. Javier Sanchez and Dr. Henrik Stryhn for collaborating with the data analysis and Tatiana Saporitti for performing the acaricide resistance tests. The research presented in this publication was supported by funds from the National Agency for Research and Innovation (ANII) under code MOV_IDRC_2018_2_153357. 520 $aABSTRACT. - Counting ticks on one side of a bovine has been widely used to estimate the overall number of ticks; however, the accuracy of this method has not been determined. This work aimed to evaluate the one-side technique for counting ticks, identify bovines with a higher level of infestation, and determine the prevalence of infestation of adults and calves. To evaluate the one-side technique, ticks were counted on both sides of 352 bovines from three farms in nine months, and total numbers were correlated with the numbers counted on the left sides. The intraclass correlation coefficients reached values >0.99 for all farms, independent of the season. These results demonstrated that counting ticks on one-side and multiplying by 2 is a reliable method for estimating the overall number of ticks. To evaluate the level of infestation of various bovines, ticks were counted monthly, for 12 months, on the same bovines from seven farms. An animal was considered highly infested if the Anscombe residuals from a negative binomial GLM were ≥4, at least 2×. The number of bovines with infestation levels higher than expected varied among farms from zero to 3. Using this method, it is possible to evaluate the most infested bovines in order to remove them from the herd. The prevalence of infestation in calves reached 100% in five of the seven farms and 3- to 15-month-old calves had significantly higher infestation than adults. © 2022, The Author(s), under exclusive licence to Springer Nature Switzerland AG. 653 $aAcaricides 653 $aCattle 653 $aCounting ticks 653 $aIntegrated pest management 653 $aPLATAFORMA SALUD ANIMAL 653 $aTick burden 653 $aTicks 700 1 $aTAÑO, M. 700 1 $aRIET-CORREA, F. 773 $tExperimental and Applied Acarology, 2022. [Article In Press]. doi: https://doi.org/10.1007/s10493-022-00691-1
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INIA Las Brujas (LB) |
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Biblioteca (s) : |
INIA Treinta y Tres. |
Fecha actual : |
21/02/2014 |
Actualizado : |
10/04/2018 |
Tipo de producción científica : |
Documentos |
Autor : |
BONILLA, O.; ROVIRA, P.J. |
Afiliación : |
OSCAR RUBEN BONILLA PIRIZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; PABLO JUAN ROVIRA SANZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Resultados del ejercicio 2007-2008. 4. Resultados de producción animal. |
Fecha de publicación : |
2008 |
Fuente / Imprenta : |
ln: INIA TREINTA Y TRES. Resultados 2007-2008. Treinta y Tres (Uruguay): INIA, 2008. |
Páginas : |
p. 13-14 |
Serie : |
(INIA Serie Actividades de Difusión; 534) |
Idioma : |
Español |
Thesagro : |
ARROZ; GANADERIA. |
Asunto categoría : |
F01 Cultivo |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/5309/1/ad-534.pdf
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Marc : |
LEADER 00522naa a2200169 a 4500 001 1031043 005 2018-04-10 008 2008 bl uuuu u00u1 u #d 100 1 $aBONILLA, O. 245 $aResultados del ejercicio 2007-2008. 4. Resultados de producción animal. 260 $c2008 300 $ap. 13-14 490 $a(INIA Serie Actividades de Difusión; 534) 650 $aARROZ 650 $aGANADERIA 700 1 $aROVIRA, P.J. 773 $tln: INIA TREINTA Y TRES. Resultados 2007-2008. Treinta y Tres (Uruguay): INIA, 2008.
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