1 |
Altman, M. 1941. Interrelations of the sexcycle and behavior of the sow. J. Comp. Psychology 31:481-498
DOI
|
2 |
Evans, L., Britt, J., Kirkbride, C. and Levis, D. 2001. Pork Industry Handbook - Troubleshooting Swine Reproduction Failure, Purdue University Cooperative Extension Service. PIH-96, p. 3
|
3 |
Houpt, K. A. 1991. Domestic Animal Behavior. Iowa State University Press, Ames, p. 144
|
4 |
Ingram, D. L., Walters, D. E. and Legge, K. F. 1980. Variations in motor activity and in food and water intake over 24 h periods in pigs. J. Agric. Sci. 95:371-380
DOI
|
5 |
Mistlberger, R. E., Houpt, T. A. and Moore-Ede, M. C. 1990. Food-anticipatory rhythms under 24-hour schedules of limited access to single macronutrients. J. Biol. Rhythms 5:35-46
DOI
ScienceOn
|
6 |
Morrison, S. R., Hintz, H. F. and Givens, R. L. 1968. A note on effect of exercise on behaviour and performance of confined swine. Anim. Prod. 10:341-344
DOI
|
7 |
Nissen, A. K., Soede, N. M., Hyttel, P., Schmidt, M. and D'Hoore, L. 1997. The influence of time of insemination relative to time of ovulation on farrowing frequency and litter size in sows, as investigated by ultrasonography. Theriogenology 47:1571-1582
DOI
ScienceOn
|
8 |
Diehl, J. R., Day, B. N. and Flowers, W. 2001. Pork Industry Handbook - Estrus or Heat Detection, Purdue University Cooperative Extension Service. PIH-64, p. 1
|
9 |
Erez, B. and Hartsock, T. G. 1990. A microcomputer-photocell system to monitor periparturient activity of sows and transfer data to a remote location. J. Anim. Sci. 68:88-94
DOI
|
10 |
Perez, J. M., Mornet, P. and Reat, A. 1986. Le porc et son elevage. Maloine, Paris, France. p. 575
|
11 |
Weitze, K. F., Wagner-Rietschel, H., Waberski, D., Richter, L. and Krieter, J. 1994. The onset of heat after weaning, heat duration, and ovulation as major factors in AI timing in sows. Repod. Dom. Anim. 29:433-443
DOI
ScienceOn
|
12 |
Worobec, E. K., Duncan, I. J. H. and Widowski, T. M. 1998. The effects weaning at 7, 14 and 28 days on piglet behaviour. Appl. Anim. Bhav. Sci. 63:172-182
|
13 |
김인철. 2002. 새로운 돼지 사육기술-돼지인공수정. 축산기술연구소. p. 124
|
14 |
Freson, L., Godrie, S., Bos, N., Jourquin, J. and Geers, R. 1998. Validation of an infra-red sensor for oestrus detection of individually housed sows. Computers and Electronics in Agriculture 20:21-29
DOI
ScienceOn
|
15 |
Taylor, L. and Friend, T. 1988. Effect of housing on in situ postures of gestating gilts. Appl. Anim. Bhav. Sci. 19:265-272
DOI
ScienceOn
|
16 |
Soede, N. M., Wetzels, C. C. H., Zongdag, W., de Konning, M. A. I. and Kemp, B. 1995. Effects of time of insemination relative to ovulation, as determined by ultrasonograpy, on fertilization rate and accessory sperm count in sows. J. Reprod. Fertil. 104:99-106
DOI
ScienceOn
|
17 |
Soede, N. M. and Kemp, B. 1996. Timing of AI and ovulation in sows. Reprod. Dom. Anim. 31:201-207
DOI
ScienceOn
|
18 |
Bressers, H. P. M., Te Brake, J. H. A. and Noordhuizen, J. P. T. M. 1991. Oestrus detection in group-housed sows by analysis of data on visits to the boar. Appl. Anim. Behav. Sci. 31:183-193
DOI
ScienceOn
|