
https://www.forestry.actapol.net/issue4/volume/6_4_2009.pdf
The analysis of the lower jaws of 265 wild boars, including 143 piglets and 122 yearlings, harvested in Zielonka Game Investigation Centre showed that farrowing took place most often in March (43.3%), February (23.8%), April (17.5%) and January (11.2%). Piglets were also born in May, June and July. The percentages for yearlings were a little different.
MLA | Łabudzki, Lesław, et al. "Wild boar seasonal farrowing pattern analysis based on the harvest data of the piglets and yearlings shot in the Zielonka Game Investigation Centre in 2005-2008." Acta Sci.Pol. Silv. 8.4 (2009): . |
APA | Łabudzki L., Górecki G., Skubis J., Wlazełko M. (2009). Wild boar seasonal farrowing pattern analysis based on the harvest data of the piglets and yearlings shot in the Zielonka Game Investigation Centre in 2005-2008. Acta Sci.Pol. Silv. 8 (4), |
ISO 690 | ŁABUDZKI, Lesław, et al. Wild boar seasonal farrowing pattern analysis based on the harvest data of the piglets and yearlings shot in the Zielonka Game Investigation Centre in 2005-2008. Acta Sci.Pol. Silv., 2009, 8.4: . |