References
- 1. Arney, D.R., Kitwood, S.E. & Philipps, C.J.C. (1994). The increase in activity during oestrus in dairy cows. Appl. Anim. Behav. Sci. 40, 211-218.
- 2. At-Taras, E.E. & Spahr, S.L. (2001). Detection and characterization of oestrus in dairy cattle with an electronic heatmount detektor and an electronic activity tag. J. Dairy Sci. 84, 792-798.
- 3. Brehme, U., Stollberg, U., Holz, R. & Schleusener, T. (2004). Sichere Brunsterkennung mit sensorgestutzten ALT-Pedometern. Landtechnik59 (4), 230-231.
- 4. Hrouz, J. (2000). Ethology of farm animals. Mendelova Zemědělská a lesnická univerzita. Brno. 185 s., ISBN 80-7157-463-5.
- 5. Hulsen, J. (2007). Cow signals. How to understand the speech of cows. Profi Press s.r.o., Praha. ISBN 978-80-86726-44-1.
- 6. Kaku, M. (2011). Physics of the Future: How Science will Shape HumanDestiny and our Daily Lives by the Year 2100. Doubleday. New York. LCCN 2010026569.
- 7. Kovalčiková, M. & Kovalčik K. (1984). Ethology of cattle. PRÍRODABratislava. 232 p.
- 8.Liu, X. & Spahr, S.L. (1993). Automated electronic aktivity measurement for detection of oestrus in dairy cattle. J. Dairy Sci. 76,2906-2912.
- 9. Řehout, V. (2003) The current problem of breeding, farming and healthof cattle and livestock production. České Budějovice: Jihočeská univerzita, p. 100 - 104.
- 10. Schofield, S.A., Philips, C.J.C. & Owens, A.R. (1991). Variation in milk production, activity rate and electrical impedance of cervical mucus over the oestrus period of dairy cows. Anim. Reprod. Sci. 24, p. 231 - 248.
- 11. Smutný, L. (1999). Information systems for individual care for dairycows. Technické trendy 1/1999,: 26-27.
- 12. Šoch, M. (2005). Influence of environment on selected indicators ofcattle welfare.Vědecká monografie. Zemědělská fakulta, Jihočeská univerzita v Českých Budějovicích. 288 p. ISBN 80-7040-742-5.
- 13. Šoch, M. (2007). Animal welfare and civilized society. Přednáška. Zemědělská fakulta, Jihočeská univerzita v Českých Budějovicích.
- 14. Voříšková, J. (2001). Ethology of farm animals. České Budějovice, Jihočeská univerzita. 2 - 67, ISBN 978-80-7394-298-4.
- 15. Webster, J. (1999). Welfare - well-being of animals or sober sermonabout paradise. Nadace na ochranu zvířat, Praha. 264 p. ISBN 80-238-4086-X.