Estimation of lifetime productivity of female swine

Journal of the American Veterinary Medical Association

Volumn 214, Issue 7, 1999, Pages 1056-1059

  Lucia Jr , Thomaz ^a,b   Dial, Gary D ^a,c   Marsh, William E ^a,d  

^a UNIVERSITY OF MINNESOTA   (United States)

^b FEDERAL UNIVERSITY OF PELOTAS   (Brazil)

^c IOWA SELECT FARMS   (United States)

^d Farm Wise Systems Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMAL; ARTICLE; COHORT ANALYSIS; FEMALE; LITTER SIZE; PARITY; PHYSIOLOGY; REPRODUCTION; RETROSPECTIVE STUDY; SWINE; WEANING;

ANIMALS; COHORT STUDIES; FEMALE; LITTER SIZE; PARITY; REPRODUCTION; RETROSPECTIVE STUDIES; SWINE; WEANING;

EID: 0033109096     PISSN: 00031488     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (19)

1. Wilson MR, Friendship RM, McMillan I, et al. A survey of productivity and its component interrelationship in Canadian swine herds. J Anim Sci 1986;62:576-582.
2. Dial GD, Marsh WE, Polson DD, et al. Reproductive failure: differential diagnosis. In: Leman AL, Straw BE, Mengeling WL, et al, eds. Diseases of swine. 7th ed. Ames, Iowa: Iowa State University Press, 1992;88-137.
3. Poison DD, Dial GD, Marsh WE. A biological and financial characterization of non-productive days, in Proceedings. 11th Int Pig Vet Soc Congr 1990;372.
4. Dagorn J, Aumaitre A. Sow culling: reasons for and effect on productivity. Liv Prod Sci 1979;6:167-177.
5. D'Allaire S, Stein TE, Leman AD. Culling patterns in selected Minnesota swine breeding herds. Can J Vet Res 1987;51:506-512.
6. Marsh WE, Van Lier P, Dial GD. A profile of swine production in North America: I. PigCHAMP breeding herd data analysis for 1990, in Proceedings. 12th Int Pig Vet Soc Congr 1992;584.
7. Kroes Y, Van Male JP. Reproductive failure of sows in relation to economy of production. Liv Prod Sci 1979;6:179-183.
8. Dijkhuizen AA, Morris RS, Morrow M. Economic optimization of culling strategies in swine breeding herds using the "PorkCHOP computer program." Prev Vet Med 1986;4:341-353.
9. Stein TE, Dijkhuizen AA, D'Allaire S, et al. Sow culling and mortality in commercial swine breeding herds. Prev Vet Med 1990;9:85-94.
10. Steel RGD, Torrie JH. Principles and procedures of statistics: a biometrical approach. 2nd ed. New York: McGraw-Hill Book Co, 1980.
11. SAS Institute Inc. SAS/Stat user's guide, release 6.03. Cary, NC: SAS Institute Inc, 1988.
12. Clark LK, Leman AD, Morris R. Factors influencing litter size in swine: parity-one females. J Am Vet Med Assoc 1988;192:187-194.
13. Dijkhuizen AA, Krabbenborg RMM, Huirne RBM. Sow replacement: a comparison of farmers' actual decisions and model recommendations. Liv Prod Sci 1989;23:207-218.
14. Lucia T, Dial GD, Marsh WE. Patterns of female removal. II. Lifetime productivity for reproduction- and performance-related culls, in Proceedings. 14th Int Pig Vet Soc Congr 1996;541.
15. Brooks PH, Smith DA. The effect of mating age on the reproductive performance, food utilization and liveweight changes of the female pig. Liv Prod Sci 1980;7:67-78.
16. Rozeboom DW, Pettigrew JE, Moser RL, et al. Influence of gilt age and body composition at first breeding on sow reproductive performance and longevity. J Anim Sci 1996;74:138-150.
17. Schukken YH, Buurman J, Huirne RBM, et al. Evaluation of optimal age at first conception in gilts from data collected in commercial swine herds. J Anim Sci 1994;72:1387-1392.
18. Xue JL, Dial GD, Marsh WE, et al. Influence of lactation length on sow productivity. Liv Prod Sci 1992;34:253-265.
19. Koketsu Y, Dial GD, Lucia T. Influence of various factors on the relationship between lactation length and weaning-to-first-service interval on farms using early-weaning, in Proceedings. 14th Int Pig Vet Soc Congr 1996;485.