Diploma Thesis focuses on adult wild boar females and analysis of their reproductive potential based on data obtained on drives during main reproduction period (August to January) at 30 areas of interest throughout the Czech Republic in years 2014–2017. Average value detection of Gonadosomatic Index (GSI) out of gravid female wild boars 0,0097 and out of all samples 0,0071. Rut period based on the age of fetuses is from October to January and expected dates of birth are determined by shifting the length of pregnancy towards the rut period with a peak in March. The litter size has just low correlation with the weight and very low with the age, average litter size in adult wild boar females is 6,1 youngsters for hoggets and 6,3 youngsters for wild sows. Average embryonic mortality reaches 13 %. The total sex ratio of piglets is 1:1,08 (M:F), the sex ratio of piglets for hoggets is 1:1,13 and for wild sows 1:1. The resulting finding of this analysis is, that there is no significant difference between the average litter size of hoggets and wild sows, so it is recommended to regulate the number of adult wild boar females year-round irrespective of age of the individuals.
| Identifer | oai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:428112 |
| Date | January 2018 |
| Creators | Podlipná, Jiřina |
| Source Sets | Czech ETDs |
| Language | Czech |
| Detected Language | English |
| Type | info:eu-repo/semantics/masterThesis |
| Rights | info:eu-repo/semantics/restrictedAccess |
Page generated in 0.0023 seconds