Association between two genetic lines of holstein cows and the pregnancy loss
The objectives of this study were to determine the association between North American Holstein (NAH) and New Zealand Holstein (NZH) genetic lines and pregnancy loss between 30-60 days after artificial insemination (AI), and to determine the influence of the calving number, services per pregnancy, ca...
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2021
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| author | Gordillo Aldaz, Jennifer |
| author2 | Yánez-Ortiz, Iván Patricio Arroyo Guarderas, María Gabriela Díaz Bolaños, Ramiro Fernando |
| author2_role | author author author |
| author_facet | Gordillo Aldaz, Jennifer Yánez-Ortiz, Iván Patricio Arroyo Guarderas, María Gabriela Díaz Bolaños, Ramiro Fernando |
| author_role | author |
| collection | Revistas Escuela Superior Politécnica Agropecuaria de Manabí |
| dc.creator.none.fl_str_mv | Gordillo Aldaz, Jennifer Yánez-Ortiz, Iván Patricio Arroyo Guarderas, María Gabriela Díaz Bolaños, Ramiro Fernando |
| dc.date.none.fl_str_mv | 2021-05-19 |
| dc.format.none.fl_str_mv | application/pdf text/html application/zip |
| dc.identifier.none.fl_str_mv | https://revistasespam.espam.edu.ec/index.php/Revista_ESPAMCIENCIA/article/view/236 10.51260/revista_espamciencia.v12i1.236 |
| dc.language.none.fl_str_mv | spa |
| dc.publisher.none.fl_str_mv | Escuela Superior Politécnica Agropecuaria de Manabí Manuel Félix López |
| dc.relation.none.fl_str_mv | https://revistasespam.espam.edu.ec/index.php/Revista_ESPAMCIENCIA/article/view/236/244 https://revistasespam.espam.edu.ec/index.php/Revista_ESPAMCIENCIA/article/view/236/367 https://revistasespam.espam.edu.ec/index.php/Revista_ESPAMCIENCIA/article/view/236/560 |
| dc.rights.none.fl_str_mv | info:eu-repo/semantics/openAccess |
| dc.source.none.fl_str_mv | Revista ESPAMCIENCIA; Vol. 12 Núm. 1 (2021): REVISTA ESPAMCIENCIA 2021; 1-7 1390-8103 reponame:Revistas Escuela Superior Politécnica Agropecuaria de Manabí instname:Escuela Superior Politécnica Agropecuaria de Manabí instacron:ESPAM |
| dc.subject.none.fl_str_mv | Bovinos fertilidad lactación número de parto odds ratio servicios por preñez fertility lactation calving number odds ratio services per pregnancy Cattle |
| dc.title.none.fl_str_mv | Association between two genetic lines of holstein cows and the pregnancy loss Asociación entre dos líneas genéticas de vacas holstein y la pérdida de gestación |
| dc.type.none.fl_str_mv | info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
| description | The objectives of this study were to determine the association between North American Holstein (NAH) and New Zealand Holstein (NZH) genetic lines and pregnancy loss between 30-60 days after artificial insemination (AI), and to determine the influence of the calving number, services per pregnancy, calving interval and calving-pregnancy interval in pregnancy loss within each genetic line. 403 lactations of 140 animals were analyzed: 168 of 59 NAH cows and 235 of 81 NZH cows. Lactations of pregnant cows (30 days after AI) were chosen. Pregnancy loss was calculated with the pregnancy diagnosis result at 60 days after AI. A binary logistic regression was used to determine the magnitude of the association. Pregnancy loss occurred in 104 lactations (25.81%): 47 (27.98%) in NAH cows and 57 (24.26%) in NZH cows. NAH cows were 1.21 times more likely to suffer pregnancy loss than NZH cows (P>0.05). Multiparous NAH and NZH cows were 2.52 and 2.37 times more likely to suffer pregnancy loss than primiparous cows (P<0.05), respectively. Cows with two or more services per pregnancy were more likely to suffer pregnancy loss (2.48 in NAH and 2.18 in NZH; P<0.05). The Holstein genetic line was not statistically associated with pregnancy loss between 30-60 days after AI. The risk of pregnancy loss increased significantly when pregnancy services increased in both genetic lines. |
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| format | article |
| id | RevESPAM_e96f0c0f57aef54adb44f1a57291be48 |
| identifier_str_mv | 10.51260/revista_espamciencia.v12i1.236 |
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| instname_str | Escuela Superior Politécnica Agropecuaria de Manabí |
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| oai_identifier_str | oai:ojs.pkp.sfu.ca:article/236 |
| publishDate | 2021 |
| publisher.none.fl_str_mv | Escuela Superior Politécnica Agropecuaria de Manabí Manuel Félix López |
| reponame_str | Revistas Escuela Superior Politécnica Agropecuaria de Manabí |
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| repository.name.fl_str_mv | Revistas Escuela Superior Politécnica Agropecuaria de Manabí - Escuela Superior Politécnica Agropecuaria de Manabí |
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| spelling | Association between two genetic lines of holstein cows and the pregnancy lossAsociación entre dos líneas genéticas de vacas holstein y la pérdida de gestaciónGordillo Aldaz, JenniferYánez-Ortiz, Iván PatricioArroyo Guarderas, María GabrielaDíaz Bolaños, Ramiro FernandoBovinosfertilidadlactaciónnúmero de partoodds ratioservicios por preñezfertilitylactationcalving numberodds ratioservices per pregnancyCattleThe objectives of this study were to determine the association between North American Holstein (NAH) and New Zealand Holstein (NZH) genetic lines and pregnancy loss between 30-60 days after artificial insemination (AI), and to determine the influence of the calving number, services per pregnancy, calving interval and calving-pregnancy interval in pregnancy loss within each genetic line. 403 lactations of 140 animals were analyzed: 168 of 59 NAH cows and 235 of 81 NZH cows. Lactations of pregnant cows (30 days after AI) were chosen. Pregnancy loss was calculated with the pregnancy diagnosis result at 60 days after AI. A binary logistic regression was used to determine the magnitude of the association. Pregnancy loss occurred in 104 lactations (25.81%): 47 (27.98%) in NAH cows and 57 (24.26%) in NZH cows. NAH cows were 1.21 times more likely to suffer pregnancy loss than NZH cows (P>0.05). Multiparous NAH and NZH cows were 2.52 and 2.37 times more likely to suffer pregnancy loss than primiparous cows (P<0.05), respectively. Cows with two or more services per pregnancy were more likely to suffer pregnancy loss (2.48 in NAH and 2.18 in NZH; P<0.05). The Holstein genetic line was not statistically associated with pregnancy loss between 30-60 days after AI. The risk of pregnancy loss increased significantly when pregnancy services increased in both genetic lines.Los objetivos de este estudio fueron determinar la asociación entre las líneas genéticas de Holstein Norteamericano (HNA) y Holstein Neozelandés (HNZ) y la pérdida de gestación entre los 30-60 días después de la inseminación artificial (IA), y determinar la influencia del número de parto, servicios por preñez, intervalo entre partos e intervalo parto-preñez en la pérdida de gestación dentro de cada línea genética. Se analizaron 403 lactaciones de 140 animales: 168 de 59 vacas HNA y 235 de 81 vacas HNZ. Se escogieron lactaciones de vacas preñadas (30 días después de la IA). La pérdida de gestación se calculó con el resultado de diagnóstico de gestación a los 60 días después de la IA. Se utilizó una regresión logística binaria para determinar la magnitud de la asociación. La pérdida de gestación se produjo en 104 lactaciones (25,81%): 47 (27,98%) en vacas HNA y 57 (24,26%) en vacas HNZ. Las vacas HNA tuvieron 1.21 veces más probabilidades de sufrir pérdida de gestación que las vacas HNZ (P>0,05). Las vacas HNA y HNZ multíparas tuvieron 2,52 y 2,37 veces más probabilidades de sufrir pérdida de gestación que las primíparas (P<0,05), respectivamente. Las vacas con dos o más servicios por preñez presentaron más probabilidades de sufrir pérdida de gestación (2,48 en HNA y 2,18 en HNZ; P<0,05). La línea genética de Holstein no se asoció estadísticamente con la pérdida de gestación entre los 30-60 días después de la IA. El riesgo de pérdida de gestación aumentó significativamente cuando los servicios por preñez aumentaron en ambas líneas genéticas.Escuela Superior Politécnica Agropecuaria de Manabí Manuel Félix López2021-05-19info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdftext/htmlapplication/ziphttps://revistasespam.espam.edu.ec/index.php/Revista_ESPAMCIENCIA/article/view/23610.51260/revista_espamciencia.v12i1.236Revista ESPAMCIENCIA; Vol. 12 Núm. 1 (2021): REVISTA ESPAMCIENCIA 2021; 1-71390-8103reponame:Revistas Escuela Superior Politécnica Agropecuaria de Manabíinstname:Escuela Superior Politécnica Agropecuaria de Manabíinstacron:ESPAMspahttps://revistasespam.espam.edu.ec/index.php/Revista_ESPAMCIENCIA/article/view/236/244https://revistasespam.espam.edu.ec/index.php/Revista_ESPAMCIENCIA/article/view/236/367https://revistasespam.espam.edu.ec/index.php/Revista_ESPAMCIENCIA/article/view/236/560info:eu-repo/semantics/openAccess2025-02-25T14:37:30Zoai:ojs.pkp.sfu.ca:article/236Institucionalhttp://revistasespam.espam.edu.ec/Universidad públicahttp://www.espam.edu.ec/http://revistasespam.espam.edu.ec/oai.Ecuador.1390-81031390-597Xopendoar:02025-02-25T14:37:30Revistas Escuela Superior Politécnica Agropecuaria de Manabí - Escuela Superior Politécnica Agropecuaria de Manabífalse |
| spellingShingle | Association between two genetic lines of holstein cows and the pregnancy loss Gordillo Aldaz, Jennifer Bovinos fertilidad lactación número de parto odds ratio servicios por preñez fertility lactation calving number odds ratio services per pregnancy Cattle |
| status_str | publishedVersion |
| title | Association between two genetic lines of holstein cows and the pregnancy loss |
| title_full | Association between two genetic lines of holstein cows and the pregnancy loss |
| title_fullStr | Association between two genetic lines of holstein cows and the pregnancy loss |
| title_full_unstemmed | Association between two genetic lines of holstein cows and the pregnancy loss |
| title_short | Association between two genetic lines of holstein cows and the pregnancy loss |
| title_sort | Association between two genetic lines of holstein cows and the pregnancy loss |
| topic | Bovinos fertilidad lactación número de parto odds ratio servicios por preñez fertility lactation calving number odds ratio services per pregnancy Cattle |
| url | https://revistasespam.espam.edu.ec/index.php/Revista_ESPAMCIENCIA/article/view/236 |