Parameters associated with sexual precocity of Nellore heifers in integrated systems
This study evaluated how integrated crop–livestock–forestry systems affected the expression of sexual traits in Nellore heifers. The serum concentration of insulin-like growth factor type-I (IGF-I), follicular diameter, rump fat thickness (RFT), and weight gain were assessed in 48 prepubertal Nellor...
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| Veröffentlicht in: | Agroforestry systems 2022-04, Vol.96 (4), p.669-679 |
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| creator | Bertogna, Kássila Fernanda Moreira, Paulo Sérgio Andrade Gomes, Fagner Júnior Kachiyama, Fernando Barbosa Groth, Andressa Rezende, Marcelo Oster de Souza Magalhães, Ciro Augusto Lopes, Luciano Bastos |
| description | This study evaluated how integrated crop–livestock–forestry systems affected the expression of sexual traits in Nellore heifers. The serum concentration of insulin-like growth factor type-I (IGF-I), follicular diameter, rump fat thickness (RFT), and weight gain were assessed in 48 prepubertal Nellore heifers (14–16 months old, initial average live weight of 270 ± 36 kg). Calf birth weight was assessed after parturition. Heifers were distributed into four production systems following a completely randomized block design, with 12 animals in each treatment: open pasture (OP); two silvopastoral systems (SPSs—single rows or SPSt—triple rows), and crop-livestock system (CL). Thermal comfort was evaluated using the black globe, as well as humidity index (BGHI) and radiant thermal load (RTL). Animals in all treatments were exposed for long periods to heat stress; however, thermal indexes got lesser values in the SPS treatments. Heifers from the SPSt achieved the greatest serum concentration of IGF-I, but the follicular diameter did not differ among systems, as initially expected. The greatest weight gain and RFT standards were found in heifers of the CL system. Calves born from females of exclusive livestock (OP) showed the smallest weight at birth. Therefore, we suggested the adoption of the SPS and CL systems for livestock beef ranches as Nellore heifers reached better zootechnical and physiologic parameters associated with sexual precocity. |
| doi_str_mv | 10.1007/s10457-021-00702-x |
| format | Article |
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The serum concentration of insulin-like growth factor type-I (IGF-I), follicular diameter, rump fat thickness (RFT), and weight gain were assessed in 48 prepubertal Nellore heifers (14–16 months old, initial average live weight of 270 ± 36 kg). Calf birth weight was assessed after parturition. Heifers were distributed into four production systems following a completely randomized block design, with 12 animals in each treatment: open pasture (OP); two silvopastoral systems (SPSs—single rows or SPSt—triple rows), and crop-livestock system (CL). Thermal comfort was evaluated using the black globe, as well as humidity index (BGHI) and radiant thermal load (RTL). Animals in all treatments were exposed for long periods to heat stress; however, thermal indexes got lesser values in the SPS treatments. Heifers from the SPSt achieved the greatest serum concentration of IGF-I, but the follicular diameter did not differ among systems, as initially expected. The greatest weight gain and RFT standards were found in heifers of the CL system. Calves born from females of exclusive livestock (OP) showed the smallest weight at birth. Therefore, we suggested the adoption of the SPS and CL systems for livestock beef ranches as Nellore heifers reached better zootechnical and physiologic parameters associated with sexual precocity.</description><identifier>ISSN: 0167-4366</identifier><identifier>EISSN: 1572-9680</identifier><identifier>DOI: 10.1007/s10457-021-00702-x</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Agriculture ; Animals ; Biomedical and Life Sciences ; Birth weight ; Calves ; Cattle ; Diameters ; Evaluation ; Forestry ; Growth factors ; Heat stress ; Heat tolerance ; Insulin ; Insulin-like growth factor I ; Insulin-like growth factors ; Life Sciences ; Livestock ; Parameters ; Parturition ; Pasture ; Physical growth ; Systems analysis ; Thermal analysis ; Thermal comfort ; Weight</subject><ispartof>Agroforestry systems, 2022-04, Vol.96 (4), p.669-679</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2021</rights><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-772177091dc5de587d6062cdf661e0742bd9938c0b14e8928dc21935a33457603</citedby><cites>FETCH-LOGICAL-c319t-772177091dc5de587d6062cdf661e0742bd9938c0b14e8928dc21935a33457603</cites><orcidid>0000-0002-9433-521X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10457-021-00702-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10457-021-00702-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Bertogna, Kássila Fernanda</creatorcontrib><creatorcontrib>Moreira, Paulo Sérgio Andrade</creatorcontrib><creatorcontrib>Gomes, Fagner Júnior</creatorcontrib><creatorcontrib>Kachiyama, Fernando Barbosa</creatorcontrib><creatorcontrib>Groth, Andressa</creatorcontrib><creatorcontrib>Rezende, Marcelo Oster</creatorcontrib><creatorcontrib>de Souza Magalhães, Ciro Augusto</creatorcontrib><creatorcontrib>Lopes, Luciano Bastos</creatorcontrib><title>Parameters associated with sexual precocity of Nellore heifers in integrated systems</title><title>Agroforestry systems</title><addtitle>Agroforest Syst</addtitle><description>This study evaluated how integrated crop–livestock–forestry systems affected the expression of sexual traits in Nellore heifers. The serum concentration of insulin-like growth factor type-I (IGF-I), follicular diameter, rump fat thickness (RFT), and weight gain were assessed in 48 prepubertal Nellore heifers (14–16 months old, initial average live weight of 270 ± 36 kg). Calf birth weight was assessed after parturition. Heifers were distributed into four production systems following a completely randomized block design, with 12 animals in each treatment: open pasture (OP); two silvopastoral systems (SPSs—single rows or SPSt—triple rows), and crop-livestock system (CL). Thermal comfort was evaluated using the black globe, as well as humidity index (BGHI) and radiant thermal load (RTL). Animals in all treatments were exposed for long periods to heat stress; however, thermal indexes got lesser values in the SPS treatments. Heifers from the SPSt achieved the greatest serum concentration of IGF-I, but the follicular diameter did not differ among systems, as initially expected. The greatest weight gain and RFT standards were found in heifers of the CL system. Calves born from females of exclusive livestock (OP) showed the smallest weight at birth. Therefore, we suggested the adoption of the SPS and CL systems for livestock beef ranches as Nellore heifers reached better zootechnical and physiologic parameters associated with sexual precocity.</description><subject>Agriculture</subject><subject>Animals</subject><subject>Biomedical and Life Sciences</subject><subject>Birth weight</subject><subject>Calves</subject><subject>Cattle</subject><subject>Diameters</subject><subject>Evaluation</subject><subject>Forestry</subject><subject>Growth factors</subject><subject>Heat stress</subject><subject>Heat tolerance</subject><subject>Insulin</subject><subject>Insulin-like growth factor I</subject><subject>Insulin-like growth factors</subject><subject>Life Sciences</subject><subject>Livestock</subject><subject>Parameters</subject><subject>Parturition</subject><subject>Pasture</subject><subject>Physical growth</subject><subject>Systems analysis</subject><subject>Thermal analysis</subject><subject>Thermal comfort</subject><subject>Weight</subject><issn>0167-4366</issn><issn>1572-9680</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kE9LAzEQxYMoWKtfwNOC5-gk2U02Ryn-g6Ie6jmkyWy7ZdutSYrttzd1BW_CwDDD-71hHiHXDG4ZgLqLDMpKUeCM5hE43Z-QEasUp1rWcEpGwKSipZDynFzEuAIALVU9IrN3G-waE4ZY2Bh719qEvvhq07KIuN_ZrtgGdHmfDkXfFK_YdX3AYoltc2TaTa6Ei_CDxUNMuI6X5KyxXcSr3z4mH48Ps8kznb49vUzup9QJphNVijOlQDPvKo9VrbwEyZ1vpGQIquRzr7WoHcxZibXmtXecaVFZIfKzEsSY3Ay-29B_7jAms-p3YZNPGi4rqVWpKp5VfFC50McYsDHb0K5tOBgG5pieGdIzOT3zk57ZZ0gMUMzizQLDn_U_1DeuE3Kv</recordid><startdate>20220401</startdate><enddate>20220401</enddate><creator>Bertogna, Kássila Fernanda</creator><creator>Moreira, Paulo Sérgio Andrade</creator><creator>Gomes, Fagner Júnior</creator><creator>Kachiyama, Fernando Barbosa</creator><creator>Groth, Andressa</creator><creator>Rezende, Marcelo Oster</creator><creator>de Souza Magalhães, Ciro Augusto</creator><creator>Lopes, Luciano Bastos</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SN</scope><scope>7ST</scope><scope>7T7</scope><scope>7X2</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>M0K</scope><scope>M2P</scope><scope>P64</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-9433-521X</orcidid></search><sort><creationdate>20220401</creationdate><title>Parameters associated with sexual precocity of Nellore heifers in integrated systems</title><author>Bertogna, Kássila Fernanda ; Moreira, Paulo Sérgio Andrade ; Gomes, Fagner Júnior ; Kachiyama, Fernando Barbosa ; Groth, Andressa ; Rezende, Marcelo Oster ; de Souza Magalhães, Ciro Augusto ; Lopes, Luciano Bastos</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-772177091dc5de587d6062cdf661e0742bd9938c0b14e8928dc21935a33457603</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Agriculture</topic><topic>Animals</topic><topic>Biomedical and Life Sciences</topic><topic>Birth weight</topic><topic>Calves</topic><topic>Cattle</topic><topic>Diameters</topic><topic>Evaluation</topic><topic>Forestry</topic><topic>Growth factors</topic><topic>Heat stress</topic><topic>Heat tolerance</topic><topic>Insulin</topic><topic>Insulin-like growth factor I</topic><topic>Insulin-like growth factors</topic><topic>Life Sciences</topic><topic>Livestock</topic><topic>Parameters</topic><topic>Parturition</topic><topic>Pasture</topic><topic>Physical growth</topic><topic>Systems analysis</topic><topic>Thermal analysis</topic><topic>Thermal comfort</topic><topic>Weight</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bertogna, Kássila Fernanda</creatorcontrib><creatorcontrib>Moreira, Paulo Sérgio Andrade</creatorcontrib><creatorcontrib>Gomes, Fagner Júnior</creatorcontrib><creatorcontrib>Kachiyama, Fernando Barbosa</creatorcontrib><creatorcontrib>Groth, Andressa</creatorcontrib><creatorcontrib>Rezende, Marcelo Oster</creatorcontrib><creatorcontrib>de Souza Magalhães, Ciro Augusto</creatorcontrib><creatorcontrib>Lopes, Luciano Bastos</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Agricultural Science Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Agricultural Science Database</collection><collection>Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Environment Abstracts</collection><jtitle>Agroforestry systems</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bertogna, Kássila Fernanda</au><au>Moreira, Paulo Sérgio Andrade</au><au>Gomes, Fagner Júnior</au><au>Kachiyama, Fernando Barbosa</au><au>Groth, Andressa</au><au>Rezende, Marcelo Oster</au><au>de Souza Magalhães, Ciro Augusto</au><au>Lopes, Luciano Bastos</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Parameters associated with sexual precocity of Nellore heifers in integrated systems</atitle><jtitle>Agroforestry systems</jtitle><stitle>Agroforest Syst</stitle><date>2022-04-01</date><risdate>2022</risdate><volume>96</volume><issue>4</issue><spage>669</spage><epage>679</epage><pages>669-679</pages><issn>0167-4366</issn><eissn>1572-9680</eissn><abstract>This study evaluated how integrated crop–livestock–forestry systems affected the expression of sexual traits in Nellore heifers. The serum concentration of insulin-like growth factor type-I (IGF-I), follicular diameter, rump fat thickness (RFT), and weight gain were assessed in 48 prepubertal Nellore heifers (14–16 months old, initial average live weight of 270 ± 36 kg). Calf birth weight was assessed after parturition. Heifers were distributed into four production systems following a completely randomized block design, with 12 animals in each treatment: open pasture (OP); two silvopastoral systems (SPSs—single rows or SPSt—triple rows), and crop-livestock system (CL). Thermal comfort was evaluated using the black globe, as well as humidity index (BGHI) and radiant thermal load (RTL). Animals in all treatments were exposed for long periods to heat stress; however, thermal indexes got lesser values in the SPS treatments. Heifers from the SPSt achieved the greatest serum concentration of IGF-I, but the follicular diameter did not differ among systems, as initially expected. The greatest weight gain and RFT standards were found in heifers of the CL system. Calves born from females of exclusive livestock (OP) showed the smallest weight at birth. Therefore, we suggested the adoption of the SPS and CL systems for livestock beef ranches as Nellore heifers reached better zootechnical and physiologic parameters associated with sexual precocity.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10457-021-00702-x</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-9433-521X</orcidid></addata></record> |
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| subjects | Agriculture Animals Biomedical and Life Sciences Birth weight Calves Cattle Diameters Evaluation Forestry Growth factors Heat stress Heat tolerance Insulin Insulin-like growth factor I Insulin-like growth factors Life Sciences Livestock Parameters Parturition Pasture Physical growth Systems analysis Thermal analysis Thermal comfort Weight |
| title | Parameters associated with sexual precocity of Nellore heifers in integrated systems |
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