The analysis results of reproductive quality age dynamics of “large white” breed sows, conducted by various methods are discussed in the article.
pigs, reproductive qualities, entropy-information analysis, estrogen receptor gene
1. Kramarenko S.S. Osobennosti ispol'zovaniya entropiyno-informacionnogo analiza dlya kolichestvennyh priznakov biologicheskih ob'ektov // Izv. Samar. nauch. centra Rossiyskoy akademii nauk. -2005. - T. 7. - № 1. - S. 242- 247.
2. Li Ch. Vvedenie v populyacionnuyu genetiku. - M.: Nauka, 1978. - 356 s.
3. Lynch M., Walsh B. Genetics and Analysis of Quantitative Traits. - Sinauer Associates, Inc., 1998. - 980 p.
4. Vanroose G., Kruif A., Soom A. Van. Embryonic mortality and embryo-pathogen interactions // Anim. Reprod. Sci. - 2000. - Vol. 60-61. - R. 131-143.
5. English P.R., Morrison V. Causes and prevention of piglet mortality // Pig News Inf. - 1984. - Vol. 5. -P. 369-375.
6. Pejsak Z. Some pharmacological methods to reduce intrapartum death of piglets // Pig News Inf. - 1984. -Vol. 5. - P. 35-37.
7. Zaleski H.M., Hacker R.R. Variables related to the progress of parturition and probability of stillbirth in swine // Can. Vet. J. - 1993. - Vol. 34. - R. 109-113.
8. Risk factors for stillbirth and foetal mummification in four Brazilian swine herds / V.F. Borges, M.L. Bernardi, F.P. Bortolozzo [et al.] // Prev. Vet. Med. - 2005. - Vol. 70. - P. 165-176.
9. Direct, maternal and nurse sow genetic effects on farrowing-, pre-weaning- and total piglet survival / E.F. Knol, B.J. Ducro, J.A.M. van Arendonk [et al.] // Livest. Prod. Sci. - 2002. - Vol. 73. - R. 153-164.
10. Between-breed variability of stillbirth and its relationship with sow and piglet characteristics / L. Canario, E. Cantoni, E. Le Bihan [et al.] // Journal of Animal Science. - 2006. - Vol. 84. - P. 3185-3196.
11. Cutler R.S., Fahry V.A., Spicer E.M. Preweaning mortality. Disease of Swine. - Iowa State University Press, 1992. - P. 842-860.
12. Factors associated with stillborn and mummified piglets in high-prolific sows / Y. Le Cozler, C. Guyomarc’h, X. Pichodo [et al.] // Anim. Res. - 2002. - Vol. 51. - P. 261-268.
13. Discovery of a Major Gene Associated with Litter Size in the Pig / M.F. Rothschild, D.A. Vaske, C.K. Tuggle [et al.]// http://www.poultryscience.org/docs/pba/1952-003/1995/1995%20Rothschild.pdf.
14. Candidate gene analysis for loci affecting litter size and ovulation rate in swine / R.C. Linville, D. Pomp, R.K. Johnson [et al.] // Journal of Animal Science. - 2001. - Vol. 79. - R. 60-67.
