Chapter Behavioral Factors Affecting Reproduction in Domestic Horses: Sociobiological Approach
Fetal loss is a common phenomenon in domestic horses, being usually highest (up to 40%) of all domestic ungulates. However, in all studies investigating this problem, sociobiological approach, such as conflict between the evolutionary interests of individuals of the two sexes, has been neglected. He...
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InTechOpen
2021
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| Առցանց հասանելիություն: | ONIX_20210602_10.5772/intechopen.76580_438 |
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| _version_ | 1869523969751646208 |
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| author | Bartošová, Jitka Pluháček, Jan Bartoš, Luděk |
| author_browse | Bartoš, Luděk Bartošová, Jitka Pluháček, Jan |
| author_facet | Bartošová, Jitka Pluháček, Jan Bartoš, Luděk |
| author_sort | Bartošová, Jitka |
| collection | Directory of Open Access Books |
| description | Fetal loss is a common phenomenon in domestic horses, being usually highest (up to 40%) of all domestic ungulates. However, in all studies investigating this problem, sociobiological approach, such as conflict between the evolutionary interests of individuals of the two sexes, has been neglected. Here we summarize results of three consecutive studies considering infanticide as a male’s reproductive strategy and a mare’s counter strategies against it. When a mare was either artificially inseminated or removed from her home environment and transported elsewhere for mating and then returned back into her home environment, containing a stallion (and/or gelding) who did not sire her fetus, she got into a potentially infanticidal danger. She more likely disrupted her pregnancy than a mare living in an environment with the sire of her fetus. This was highly affected by the social environment. Lowest percentage of pregnancy disruption can be achieved when the pregnant mare was released into an enclosure shared with the non-sire male whom she can “convince” he is the father of her expected foal by promiscuous mating. The effects of social environment leading to pregnancy block and/or disruption may thus explain substantial part of the high incidence of domestic horse fetal loss. |
| format | Online |
| id | doab-20.500.12854ir-70263 |
| institution | Directory of Open Access Books |
| language | eng |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | InTechOpen |
| publisherStr | InTechOpen |
| record_format | ojs |
| spelling | doab-20.500.12854ir-702632025-01-15T13:15:32Z Chapter Behavioral Factors Affecting Reproduction in Domestic Horses: Sociobiological Approach Bartošová, Jitka Pluháček, Jan Bartoš, Luděk pregnancy disruption, domestic horse, Bruce effect thema EDItEUR::M Medicine and Nursing::MF Pre-clinical medicine: basic sciences::MFN Medical genetics Fetal loss is a common phenomenon in domestic horses, being usually highest (up to 40%) of all domestic ungulates. However, in all studies investigating this problem, sociobiological approach, such as conflict between the evolutionary interests of individuals of the two sexes, has been neglected. Here we summarize results of three consecutive studies considering infanticide as a male’s reproductive strategy and a mare’s counter strategies against it. When a mare was either artificially inseminated or removed from her home environment and transported elsewhere for mating and then returned back into her home environment, containing a stallion (and/or gelding) who did not sire her fetus, she got into a potentially infanticidal danger. She more likely disrupted her pregnancy than a mare living in an environment with the sire of her fetus. This was highly affected by the social environment. Lowest percentage of pregnancy disruption can be achieved when the pregnant mare was released into an enclosure shared with the non-sire male whom she can “convince” he is the father of her expected foal by promiscuous mating. The effects of social environment leading to pregnancy block and/or disruption may thus explain substantial part of the high incidence of domestic horse fetal loss. 2021-02-10T12:58:18Z 2021-06-02T10:12:12Z 2019 chapter ONIX_20210602_10.5772/intechopen.76580_438 https://library.oapen.org/handle/20.500.12657/49324 https://directory.doabooks.org/handle/20.500.12854/70263 eng open access image/jpeg image/jpeg image/jpeg n/a n/a n/a https://library.oapen.org/bitstream/20.500.12657/49324/1/60891.pdf https://library.oapen.org/bitstream/20.500.12657/49324/1/60891.pdf https://library.oapen.org/bitstream/20.500.12657/49324/1/60891.pdf InTechOpen 10.5772/intechopen.76580 10.5772/intechopen.76580 035ecc65-6737-43cf-a13a-6bdf67ce01f4 open access |
| spellingShingle | pregnancy disruption, domestic horse, Bruce effect thema EDItEUR::M Medicine and Nursing::MF Pre-clinical medicine: basic sciences::MFN Medical genetics Bartošová, Jitka Pluháček, Jan Bartoš, Luděk Chapter Behavioral Factors Affecting Reproduction in Domestic Horses: Sociobiological Approach |
| title | Chapter Behavioral Factors Affecting Reproduction in Domestic Horses: Sociobiological Approach |
| title_full | Chapter Behavioral Factors Affecting Reproduction in Domestic Horses: Sociobiological Approach |
| title_fullStr | Chapter Behavioral Factors Affecting Reproduction in Domestic Horses: Sociobiological Approach |
| title_full_unstemmed | Chapter Behavioral Factors Affecting Reproduction in Domestic Horses: Sociobiological Approach |
| title_short | Chapter Behavioral Factors Affecting Reproduction in Domestic Horses: Sociobiological Approach |
| title_sort | chapter behavioral factors affecting reproduction in domestic horses sociobiological approach |
| topic | pregnancy disruption, domestic horse, Bruce effect thema EDItEUR::M Medicine and Nursing::MF Pre-clinical medicine: basic sciences::MFN Medical genetics |
| topic_facet | pregnancy disruption, domestic horse, Bruce effect thema EDItEUR::M Medicine and Nursing::MF Pre-clinical medicine: basic sciences::MFN Medical genetics |
| url | ONIX_20210602_10.5772/intechopen.76580_438 |
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