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Machine milking parameters for Murciano-Granadina breed goats

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Machine milking parameters for Murciano-Granadina breed goats

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dc.contributor.author Fernández Martínez, Nemesio es_ES
dc.contributor.author Martí Vicent, José Vicente es_ES
dc.contributor.author Rodríguez Garcia, Martín es_ES
dc.contributor.author Peris Ribera, Cristófol Josep es_ES
dc.contributor.author Balasch Parisi, Sebastià es_ES
dc.date.accessioned 2021-05-25T03:33:21Z
dc.date.available 2021-05-25T03:33:21Z
dc.date.issued 2020-01 es_ES
dc.identifier.issn 0022-0302 es_ES
dc.identifier.uri http://hdl.handle.net/10251/166761
dc.description.abstract [EN] In dairy ruminants, the combination of milking parameters must ensure good milking performance without harming udder conditions. Commonly, milking conditions for goats are established without having checked the admissible limits for optimal and fast milking. The aim of this study was to establish a limit combination of machine milking parameters that improves machine milking performance without altering milkability or udder status. To this end, we studied the effect of 2 combinations (42 kPa, 120 cpm, 60% vs. 44 kPa, 120 cpm, 60% in terms of kilopascals of vacuum level, cycles per minute of pulsator rate, and percentage of pulsator ratio, respectively) on milk production and composition, milk fractioning during milking, SCC, teat tissue thickness variation after milking, and the milk emission kinetics parameters throughout 1 lactation period (6 rno). The 42 and 44 kPa measured at the vacuum gauge level became average values of 37.5 and 39.3 kPa, respectively, measured at the teat sphincter level during milking. Milk flow significantly increased and total milking time decreased 25 s with the elevation of the vacuum level from 42 to 44 kPa without any adverse effect on milk fractioning at milking. However, the use of 44 kPa also showed an increase in tissue thickness above 5%, and we observed a tendency of average conductivity of milk to increase, although without any adverse effect on SCC. It seems that 44 kPa, 120 cpm, 60% is a possible limit combination of parameters to improve milking performance without altering milkability or udder conditions. We concluded that this combination can be used for milking Murciano-Granadina breed goats in conditions similar to those of this study (mid-level milking system and 1 milking/d), although further studies are necessary to verify its application in the case of 2 milkings/d. es_ES
dc.language Inglés es_ES
dc.publisher American Dairy Science Association es_ES
dc.relation.ispartof Journal of Dairy Science es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Parameter combination es_ES
dc.subject Milkability es_ES
dc.subject Udder status es_ES
dc.subject Dairy goat es_ES
dc.subject.classification PRODUCCION ANIMAL es_ES
dc.subject.classification ESTADISTICA E INVESTIGACION OPERATIVA es_ES
dc.title Machine milking parameters for Murciano-Granadina breed goats es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3168/jds.2019-16446 es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Estadística e Investigación Operativa Aplicadas y Calidad - Departament d'Estadística i Investigació Operativa Aplicades i Qualitat es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ciencia Animal - Departament de Ciència Animal es_ES
dc.description.bibliographicCitation Fernández Martínez, N.; Martí Vicent, JV.; Rodríguez Garcia, M.; Peris Ribera, CJ.; Balasch Parisi, S. (2020). Machine milking parameters for Murciano-Granadina breed goats. Journal of Dairy Science. 103(1):507-513. https://doi.org/10.3168/jds.2019-16446 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3168/jds.2019-16446 es_ES
dc.description.upvformatpinicio 507 es_ES
dc.description.upvformatpfin 513 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 103 es_ES
dc.description.issue 1 es_ES
dc.identifier.pmid 31629519 es_ES
dc.relation.pasarela S\403817 es_ES
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