Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal development
Management practices during the rearing of dairy heifers should allow an adequate body growth and reproductive development to attain puberty several months before the first conception. Proposed target age and body weight (BW) at first calving for Holstein heifers are between 22-24 months and 82% of...
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| Format: | article |
| Language: | English |
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2024
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| Online Access: | https://hdl.handle.net/20.500.12008/46208 |
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| _version_ | 1868889971151077376 |
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| author | Fiol, Carolina |
| author2 | Mendoza, Alejandro |
| author2_role | author |
| author_browse | Fiol, Carolina Mendoza, Alejandro |
| author_facet | Fiol, Carolina Mendoza, Alejandro |
| author_role | author |
| collection | COLIBRI |
| dc.contributor.none.fl_str_mv | Fiol Carolina, Universidad de la República, Facultad de Veterinaria, Departamento de Producción Animal y Salud de los Sistemas Productivos, San José, Uruguay https://orcid.org/0000-0002-7467-1435 Mendoza Alejandro, Instituto Nacional de Investigación Agropecuaria (INIA), Sistema Lechero, Semillero, Colonia, Uruguay https://orcid.org/0000-0002-8517-6181 |
| dc.creator.none.fl_str_mv | Fiol, Carolina Mendoza, Alejandro |
| dc.date.none.fl_str_mv | 2024-10-09T12:28:51Z 2024-10-09T12:28:51Z 2024 |
| dc.format.none.fl_str_mv | e1217 application/pdf |
| dc.identifier.none.fl_str_mv | Fiol, C., y Mendoza, A. "Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal development". Agrociencia Uruguay [en línea]. 2024, 28(NE1), e1217. Doi: 10.31285/AGRO.28.1217. 2730-5066 https://hdl.handle.net/20.500.12008/46208 10.31285/AGRO.28.1217 |
| dc.language.none.fl_str_mv | en eng |
| dc.publisher.none.fl_str_mv | Facultad de Agronomía, Universidad de la República - INIA |
| dc.relation.none.fl_str_mv | Agrociencia Uruguay. 2024, 28(NE1):e1217 |
| dc.rights.none.fl_str_mv | info:eu-repo/semantics/openAccess Licencia Creative Commons Atribución (CC - By 4.0) |
| dc.source.none.fl_str_mv | reponame:COLIBRI instname:Universidad de la República instacron:Universidad de la República |
| dc.subject.none.fl_str_mv | Bodyweight Gain Competence Competencia Competência Eixo Hipotalâmico-Hipofisário-Ovariano Eje Hipotálamo-Hipófisis-Ovario Ganancia de Peso Ganho de Peso Hypothalamic-Pituitary-Ovarian Axis Pubertad Puberty Reagrupamento Social Social Regrouping |
| dc.title.none.fl_str_mv | Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal development Manejo de vaquillonas lecheras en Uruguay: Efectos del nivel de alimentación y el ambiente social sobre el desarrollo prepuberal Manejo de novilhas leiteiras no Uruguai: Efeitos no nível de alimentação e do ambiente social no desenvolvimento pré-puberal |
| dc.type.none.fl_str_mv | Artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
| description | Management practices during the rearing of dairy heifers should allow an adequate body growth and reproductive development to attain puberty several months before the first conception. Proposed target age and body weight (BW) at first calving for Holstein heifers are between 22-24 months and 82% of mature BW, respectively, for which heifers must conceive at around 15 months of age with 60% of their mature BW. Pre- and postweaning feeding level has effects on feed efficiency, behavior, energy metabolism and body and reproductive development, while social environment during rearing, specifically the social dominance and social regroupings, is known to affect energy metabolism, feeding behavior and body and reproductive development of the heifer. In Uruguay, the information published regarding the management of the dairy heifer is scarce. The aim of this review is to briefly assess the main factors affecting the onset of puberty, and to present an integrative approach of the information generated in Uruguay regarding the effects of modifying the feeding level and social environment during the rearing period on body development, metabolism, and onset of puberty in dairy heifers. In addition, we make a proposal of knowledge gaps that should be addressed in future studies. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | anni_1a0032202ecec30e4e2eb4c00f407ff2 |
| identifier_str_mv | Fiol, C., y Mendoza, A. "Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal development". Agrociencia Uruguay [en línea]. 2024, 28(NE1), e1217. Doi: 10.31285/AGRO.28.1217. 2730-5066 10.31285/AGRO.28.1217 |
| instacron_str | Universidad de la República |
| institution | Universidad de la República |
| instname_str | Universidad de la República |
| language | eng |
| language_invalid_str_mv | en |
| network_acronym_str | anni |
| network_name_str | oai-lr-anni |
| oai_identifier_str | oai:colibri.udelar.edu.uy:20.500.12008/46208 |
| publishDate | 2024 |
| publishDateSort | 2024 |
| publisher.none.fl_str_mv | Facultad de Agronomía, Universidad de la República - INIA |
| reponame_str | COLIBRI |
| repository.mail.fl_str_mv | |
| repository.name.fl_str_mv | |
| repository_id_str | |
| rights_invalid_str_mv | Licencia Creative Commons Atribución (CC - By 4.0) |
| spelling | Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal developmentManejo de vaquillonas lecheras en Uruguay: Efectos del nivel de alimentación y el ambiente social sobre el desarrollo prepuberalManejo de novilhas leiteiras no Uruguai: Efeitos no nível de alimentação e do ambiente social no desenvolvimento pré-puberalFiol, CarolinaMendoza, AlejandroBodyweight GainCompetenceCompetenciaCompetênciaEixo Hipotalâmico-Hipofisário-OvarianoEje Hipotálamo-Hipófisis-OvarioGanancia de PesoGanho de PesoHypothalamic-Pituitary-Ovarian AxisPubertadPubertyReagrupamento SocialSocial RegroupingManagement practices during the rearing of dairy heifers should allow an adequate body growth and reproductive development to attain puberty several months before the first conception. Proposed target age and body weight (BW) at first calving for Holstein heifers are between 22-24 months and 82% of mature BW, respectively, for which heifers must conceive at around 15 months of age with 60% of their mature BW. Pre- and postweaning feeding level has effects on feed efficiency, behavior, energy metabolism and body and reproductive development, while social environment during rearing, specifically the social dominance and social regroupings, is known to affect energy metabolism, feeding behavior and body and reproductive development of the heifer. In Uruguay, the information published regarding the management of the dairy heifer is scarce. The aim of this review is to briefly assess the main factors affecting the onset of puberty, and to present an integrative approach of the information generated in Uruguay regarding the effects of modifying the feeding level and social environment during the rearing period on body development, metabolism, and onset of puberty in dairy heifers. In addition, we make a proposal of knowledge gaps that should be addressed in future studies.Las prácticas de manejo durante la crianza de las vaquillonas lecheras deben permitir un adecuado crecimiento corporal y un desarrollo reproductivo para alcanzar la pubertad varios meses antes de la primera concepción. La edad y el peso vivo (PV) objetivos al primer parto para las vaquillonas Holstein son entre 22 y 24 meses y con 82% de su PVadulto, respectivamente, por lo que deberían concebir alrededor de los 15 meses de edad con 60% de su PV adulto. El nivel de alimentación antes y después del desleche tiene efectos sobre la eficiencia alimenticia, el comportamiento, el metabolismo energético y el desarrollo corporal y reproductivo, mientras que el entorno social durante la crianza, específicamente la dominancia y los reagrupamientos sociales, afecta el metabolismo energético, el comportamiento alimentario y el desarrollo corporal y reproductivo de las vaquillonas. En Uruguay la información publicada respecto al manejo de la vaquillona lechera es escasa. El objetivo de esta revisión es analizar brevemente los principales factores que inciden en el inicio de la pubertad, y presentar un enfoque integrador de la información generada en Uruguay sobre los efectos de modificar el nivel de alimentación y el entorno social durante la crianza sobre el desarrollo corporal, el metabolismo y el inicio de la pubertad en vaquillonas lecheras. Además, hacemos una propuesta de áreas del conocimiento que deberían ser abordadas en futuros estudios.As práticas de manejo durante a recria de novilhas leiteiras devem permitir um adequado crescimento corporal e desenvolvimento reprodutivo para atingir a puberdade vários meses antes da primeira concepção. A idade proposta e o peso corporal (PC) ao primeiro parto para novilhas Holstein estão entre 22-24 meses e 82% de seu PC adulto, respectivamente, para o qual as novilhas devem conceber por volta dos 15 meses de idade com 60% de seu PC adulto. O nível de alimentação pré e pós-desleite tem efeitos sobre a eficiência alimentar, comportamento, metabolismo energético e desenvolvimento corporal e reprodutivo, enquanto o ambiente social durante a recria, especificamente a dominância social e os reagrupamentos sociais, são conhecidos por afetar o metabolismo energético, comportamento alimentar e corpo e desenvolvimento reprodutivo da novilha. No Uruguai, as informações publicadas sobre o manejo da novilha leiteira são escassas. O objetivo desta revisão é revisar brevemente os principais fatores que afetam o início da puberdade e apresentar uma abordagem integrativa da informação gerada no Uruguai sobre os efeitos da modificação do nível alimentar e do ambiente social durante o período de criação no desenvolvimento corporal, metabolismo, e início da pubertade em novilhas leiteiras. Além disso, fazemos uma proposta de lacunas de conhecimento que devem ser abordadas em estudos futuros.Facultad de Agronomía, Universidad de la República - INIAFiol Carolina, Universidad de la República, Facultad de Veterinaria, Departamento de Producción Animal y Salud de los Sistemas Productivos, San José, Uruguay https://orcid.org/0000-0002-7467-1435Mendoza Alejandro, Instituto Nacional de Investigación Agropecuaria (INIA), Sistema Lechero, Semillero, Colonia, Uruguay https://orcid.org/0000-0002-8517-61812024-10-09T12:28:51Z2024-10-09T12:28:51Z2024Artículoinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersione1217application/pdfFiol, C., y Mendoza, A. "Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal development". Agrociencia Uruguay [en línea]. 2024, 28(NE1), e1217. Doi: 10.31285/AGRO.28.1217.2730-5066https://hdl.handle.net/20.500.12008/4620810.31285/AGRO.28.1217reponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaenengAgrociencia Uruguay. 2024, 28(NE1):e1217Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad de la República.(Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución (CC - By 4.0)oai:colibri.udelar.edu.uy:20.500.12008/462082026-04-14T10:32:43Z |
| spellingShingle | Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal development Fiol, Carolina Bodyweight Gain Competence Competencia Competência Eixo Hipotalâmico-Hipofisário-Ovariano Eje Hipotálamo-Hipófisis-Ovario Ganancia de Peso Ganho de Peso Hypothalamic-Pituitary-Ovarian Axis Pubertad Puberty Reagrupamento Social Social Regrouping |
| status_str | publishedVersion |
| title | Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal development |
| title_full | Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal development |
| title_fullStr | Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal development |
| title_full_unstemmed | Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal development |
| title_short | Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal development |
| title_sort | Management of dairy heifers in Uruguay: Effects of feeding level and social environment on prepubertal development |
| topic | Bodyweight Gain Competence Competencia Competência Eixo Hipotalâmico-Hipofisário-Ovariano Eje Hipotálamo-Hipófisis-Ovario Ganancia de Peso Ganho de Peso Hypothalamic-Pituitary-Ovarian Axis Pubertad Puberty Reagrupamento Social Social Regrouping |
| url | https://hdl.handle.net/20.500.12008/46208 |