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Use of ultrasound scanning to estimate teat wall thickness in Murciano-Granadina goats

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Use of ultrasound scanning to estimate teat wall thickness in Murciano-Granadina goats

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dc.contributor.author Díaz, J.R. es_ES
dc.contributor.author Alejandro, M. es_ES
dc.contributor.author Peris Ribera, Cristófol Josep es_ES
dc.contributor.author Fernández Martínez, Nemesio es_ES
dc.date.accessioned 2017-05-17T09:01:26Z
dc.date.available 2017-05-17T09:01:26Z
dc.date.issued 2013-07
dc.identifier.issn 1871-1413
dc.identifier.uri http://hdl.handle.net/10251/81258
dc.description.abstract [EN] To evaluate the ultrasound technique as a method for estimating the effect of mechanical milking on teat thickness in Murciano-Granadina goats, the following work was carried out with a twofold objective: (1) to study the most suitable ultrasound exploration frequency for this breed and the effect of the operator in applying the technique and (2) to validate the approach, comparing it with measurements taken by another estimation method (cutimeter) and performing ultrasound examinations in cows using the same methodology. To this end, three studies were designed. In the first study, 2 experiments were carried out: (a) the first (El) tested the frequencies 5, 7.5 and 10 MHz; (b) the second (E2) tested the frequencies 3.5 and 5 MHz. In the second study, 2 different independent operators (OP) performed sonography on the same animals (B), chose the best image of ultrasound examinations recorded as a video sequence (E4) and carried out measurements on ultrasound images (E5). In the third study, the technique tested in goats was applied in 10 Holstein cows (E6) and, finally, ultrasound scans were performed at 5 MHz frequency and cutimeter measurements taken in 63 goats (E7). The following variables were measured in the ultrasound scans: teat wall thickness (TWT), teat wall area (TWA) and teat end area (TEWA). The cutimeter was also used to measure teat wall thickness (TT). From the results obtained, we observed that frequencies of 5 and 7.5 MHz were the most suitable to estimate the teat wall changes brought about by mechanical milking. Moreover, applying the same methodology and frequencies in Holstein cows, the results achieved were similar to those published in the bibliography and the variables measured (TWT, TWA and TEWA) presented a high and significant correlation (R=0.62) with the variable (IT) measured by cutimeter. OP experience had an effect on TEWA before milking in all three experiments (E3-E5) and in TWT, TWA and TEWA after milking in E4 and E5. Despite the effects observed for some variables before and after milking, a significant effect was only found for the difference (after-before milking) in TEWA in E3 and TWT in E4. The ultrasound technique used can serve as a useful tool to evaluate teat wall thickness changes caused by mechanical milking in goats. Nevertheless, it would be appropriate to carry out another study to develop IT tools to minimise the operator effect in the measurement of ultrasound variables. (C) 2013 Elsevier B.V. All rights reserved. es_ES
dc.description.sponsorship The study was supported by Project AGL2006-06909 (Ministerio de Educacion y Ciencia and FEDER). en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation Ministerio de Educación y Ciencia, Spain [AGL2006-06909] es_ES
dc.relation.ispartof Livestock Science es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Teat condition es_ES
dc.subject Teat thickness es_ES
dc.subject Cutimeter es_ES
dc.subject Ultrasonography es_ES
dc.subject Milking es_ES
dc.subject.classification PRODUCCION ANIMAL es_ES
dc.title Use of ultrasound scanning to estimate teat wall thickness in Murciano-Granadina goats es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.livsci.2013.04.007
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Ciencia y Tecnología Animal - Institut de Ciència i Tecnologia Animal es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Técnica Superior de Ingeniería Agronómica y del Medio Natural - Escola Tècnica Superior d'Enginyeria Agronòmica i del Medi Natural es_ES
dc.description.bibliographicCitation Díaz, J.; Alejandro, M.; Peris Ribera, CJ.; Fernández Martínez, N. (2013). Use of ultrasound scanning to estimate teat wall thickness in Murciano-Granadina goats. Livestock Science. 155(1):114-122. doi:10.1016/j.livsci.2013.04.007 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1016/j.livsci.2013.04.007 es_ES
dc.description.upvformatpinicio 114 es_ES
dc.description.upvformatpfin 122 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 155 es_ES
dc.description.issue 1 es_ES
dc.relation.senia 260877 es_ES


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