Improving oestrus detection by combination of activity measurements with information about previous oestrus cases

Livestock Production Science

Volumn 82, Issue 1, 2003, Pages 97-103

  Firk, R ^a   Stamer, E ^a   Junge, W ^a   Krieter, J ^a  

^a UNIVERSITY OF KIEL   (Germany)

Author keywords

Dairy cattle; Fuzzy logic; Multivariate analysis; Oestrus detection

Indexed keywords

BOS TAURUS;

EID: 0038010440     PISSN: 03016226     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-6226(02)00306-8     Document Type: Article

References (11)

1. De Mol, R.M., Woldt, W.E., 2001. Application of fuzzy logic in automated cow status monitoring. J. Dairy Sci. 84, 400-410.
2. De Mol, R.M., Kroeze, G.H., Achten, J.M.F.H., Maatje, K., Rossing, W., 1997. Results of a multivariate approach to automated oestrus and mastitis detection. Livest. Prod. Sci. 48, 219-227.
3. Firk, R., Stamer, E., Junge, W., Krieter, J., 2002a. Automation of oestrus detection in dairy cows: a review. Livest. Prod. Sci. 75, 219-232.
4. Firk, R., Stamer, E., Junge, W., Krieter, J., 2002b. Oestrus detection in dairy cows based on serial measurements using univariate and multivariate analysis. Arch. Tierz., submitted for publication.
5. Matlab, Version 6.0.0.88. The MathWorks.
6. Maatje, K., Loeffler, S.H., Engel, B., 1997. Predicting optimal time of insemination in cows that show visual signs of oestrus by estimating onset of oestrus with pedometers. J. Dairy Sci. 80, 1098-1105.
7. Sambraus, H.H., 1978. Nutztierethologie. Paul Parey, Berlin and Hamburg.
8. SAS, 1998. SAS/STAT User's Guide (Release 6.03). SAS Institute, Cary, NC.
9. Schofield, S.A., Phillips, C.J.C., Owens, A.R., 1991. Variation in the milk production, activity rate and electrical impedance of cervical mucus over the oestrus period of dairy cows. Anim. Reprod. Sci. 24, 231-248.
10. Wendl, G., Klindtworth, K., Wagner, M., 1995. Einsatz von Aktivitätssensoren und injizierbaren Transpondern mit integriertem Temperatursensor in der Milchviehhaltung. In: 46th Annual Meeting of the European Association of Animal Production Prague, Czech Republic, 4-7 September.
11. Yang, Y., 1998. Rechnergestützte Östrusüberwachung bei Milchkühen unter Anwendung der Fuzzy-Logic-Methode. Herbert Utz, Wissenschaft, München.