References
- Bateson, P., 1991. Assessment of pain in animals. Anim. Behav. 42(5), 827-839. https://doi.org/10.1016/S0003-3472(05)80127-7
- Broom, D.M. 1988. The scientific assessment of animal welfare. Appl. Anim. Behav. Sci. 20(1), 5-19. https://doi.org/10.1016/0168-1591(88)90122-0
- Grandin, T., 1980. Observations of cattle behavior applied to the design of handling facilities. Appl. Anim. Ethol. 6(1), 19-31. https://doi.org/10.1016/0304-3762(80)90091-7
- Grandin, T., 1998. The feasibility of using vocalization scoring as an indicator of poor welfare during cattle slaughter. Appl. Anim. Behav. Sci. 56(2), 121-128. https://doi.org/10.1016/S0168-1591(97)00102-0
- Gunderson, H.L., & Mahan, B.R., 1980. Analysis of sonograms of American bison (Bison bison). J. Mammal. 61, 379-381. https://doi.org/10.2307/1380077
- Hemsworth, P.H., Price, E.O., & Borgwardt, R., 1996. Behavioural responses of domestic pigs and cattle to humans and novel stimuli. Appl. Anim. Behav. Sci. 50(1), 43-56. https://doi.org/10.1016/0168-1591(96)01067-2
- Hall, S.J.G., Vince, M.A., Shillito Walser, E., & Garson, P.J., 1988. Vocalizations of the Chillingham cattle. Behav. 104, 78-104. https://doi.org/10.1163/156853988X00610
- Hemsworth, P.H., Verge, J., & Coleman, G.J., 1996. Conditioned approach-avoidance responses to humans: the ability of pigs to associate feeding and aversive social experiences in the presence of humans with humans. Appl. Anim. Behav. Sci. 50(1), 71-82. https://doi.org/10.1016/0168-1591(96)01065-9
- Manteuffel, G., Puppe, B., & Schon, P.C., 2004. Vocalization of farm animals as a measure of welfare. Appl. Anim. Behav. Sci. 88(1), 163-182. https://doi.org/10.1016/j.applanim.2004.02.012
- Molony, V., & Kent, J.E., 1997. Assessment of acute pain in farm animals using behavioral and physiological measurements. J. Anim. Sci. 75(1), 266-272. https://doi.org/10.2527/1997.751266x
- Schon, P., Puppe, B., Gromyko, T., and Manteuffel, G., 1999. Common features and individual differences in nurse grunting of domestic pigs (sus scrofa): a multiparametric analysis. Behav. 136, 49-66. https://doi.org/10.1163/156853999500668
- Seabrook, M.F., 1984. The psychological interaction between the stockman and his animals and its influence on performance of pigs and dairy cows. Veterinary Record, 115(4), 84-87. https://doi.org/10.1136/vr.115.4.84
- Watts, J.M., & Stookey, J.M., 2000. Vocal behaviour in cattle: the animal's commentary on its biological processes and welfare. Appl. Anim. Behav. Sci. 67(1), 15-33. https://doi.org/10.1016/S0168-1591(99)00108-2
- Weary, D.M., & Fraser, D., 1995. Signalling need: costly signals and animal welfare assessment. Appl. Anim. Behav. Sci. 44(2), 159-169. https://doi.org/10.1016/0168-1591(95)00611-U
- Kim, K.H., Yang, B.G., Ko, D.H., Koo, H.S., 2000. Speech science primer. Hankukmunhwasa.
- Park, K.B., 1999. Speech Analysis. Greenpress.
- Yang, B.G., 2003. Theory and Practice of Speech Analysis by Praat. Mansu.
- Oh, Y.H., 1998. Spoken Language Information Processing. Hongrung Publishing Company.
-
Jeon, J.H., Chang, H.H., Ha, J.K., Kim. H.H., Koo, J.M., Lee, H.J., Yeon, S.C., 2003. Sound parameters for classifying individual sows (Landrace
${\times}$ Yorkshire) during nursing behavior. Journal of veterinary science. 43(1), 165-169.