The importance of farrowing to service interval in sows served during lactation or after shorter lactation than 28 days

Animal Reproduction Science

Volumn 81, Issue 3-4, 2004, Pages 287-293

  Gaustad Aas, A H ^a   Hofmo, P O ^a   Karlberg, K ^b  

^a Norsvin   (Norway)

^b NORWEGIAN UNIVERSITY OF LIFE SCIENCES   (Norway)

Author keywords

Farrowing rate; Lactation length; Lactational oestrus; Litter size; Pig oestrus

Indexed keywords

ANIMAL; ANIMAL DISEASE; ARTICLE; ARTIFICIAL INSEMINATION; BREEDING; FEMALE; LACTATION; LITTER SIZE; PARITY; PHYSIOLOGY; PREGNANCY; REPRODUCTION; SWINE; TIME;

ANIMALS; BREEDING; FEMALE; INSEMINATION, ARTIFICIAL; LACTATION; LITTER SIZE; PARITY; PREGNANCY; REPRODUCTION; SWINE; TIME FACTORS;

SUS SCROFA;

EID: 1542291177     PISSN: 03784320     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.anireprosci.2003.09.007     Document Type: Article

References (22)

1. Belstra B.A., Diekman M.A., Richert B.T., Singleton W.L. Effects of lactation length and an exogenous progesterone and estradiol-17β regimen during embryo attachment on endogenous steroid concentration and embryo survival in sows. Theriogenology. 57:2002;2063-2081.
2. Bevers M.M., Willemse A.H., Kruip Th.A.M., van de Wiel D.F.M. Prolactin levels and the LH-response to synthetic LH-RH in the lactating sow. Anim. Reprod. Sci. 4:1981;155-163.
3. Britt J.H. Control of follicular development during and after lactation in sows. J. Reprod. Fertil. Suppl. 33:1985;37-54.
4. De Rensis F., Hunter M.G., Foxcroft G.R. Suckling-induced inhibition of luteinizing hormone secretion and follicular development in the early postpartum sow. Biol. Reprod. 48:1993;964-969.
5. Edwards S., Foxcroft G.R. Endocrine changes in sows weaned at two stages of lactation. J. Reprod. Fertil. 67:1983;161-172.
6. Elsaesser F., Parvizi N. Partial recovery of the stimulatory oestrogen feedback action on LH release during late lactation in the pig. J. Reprod. Fertil. 59:1980;63-67.
7. Elze K., Schnurrbusch U., Mehlhorn I., Rittenbach P., Rummer H.J., Freysoldt C. Untersuchungen zur Steigerung der Fruchtbarkeitsleistung bei Altsauen. 3. Mitt.: Ergebnisse histologischer Untersuchungen über die puerperalen Involutions- und Regenerationsvorgänge am Endometrium von säugenden Sauen und Sauen nach extrem frühem Absetzen der Ferkel. Arch. Exp. Vet. Med. 29:1975;689-699.
8. Gaustad-Aas, A.H., 2003. Reproductive performance of gilts and sows in Norway. Thesis for the degree of Doctor Medicinae Veterinariae. The Norwegian School of Veterinary Science, Hamar/Oslo.
9. Geissinger, H.D., Liptrap, R.M., Ackerley, C.A., 1980. Scanning electron, light optical, and transmission electron microscopy and plasma steroid values of porcine uterus at lactation. Scanning Electron Microscopy 399-406.
10. Hausler C.L., Hodson H.H. Jr., Kuo D.C., Kinney T.J., Rauwolf V.A., Strack L.E. Induced ovulation and conception in lactating sows. J. Anim. Sci. 50:1980;773-778.
11. Hays V.W., Krug J.L., Cromwell G.L., Dutt R.H., Kratzer D.D. Effect of lactation length and dietary antibiotics on reproductive performance of sows. J. Anim. Sci. 46:1978;884-891.
12. Kunavongkrit A., Madej A., Einarsson S. Clinical and endocrinological studies in zero-weaned sows. 3. Hormonal patterns of ovarian disorders due to zero-weaning. Zentralblatt für Veterinaermedizin. Reihe A. 30:1983;625-636.
13. Petchey A.M., Jolly G.M. Sows service in lactation: an analysis of data from one herd. Anim. Prod. 29:1979;183-191.
14. Peters J.B., Short R.E., First N.L., Casida L.E. Attempts to induce fertility in postpartum sows. J. Anim. Sci. 29:1969;20-24.
15. Rhodes, P.A., Liptrap, R.M., Geissinger, H.D., 1983. A correlative study of porcine endometrium and hormone levels during early lactation and the late luteal phase. Scanning Electron Microscopy 1887-1898.
16. SAS, 1990. SAS Procedures Guide, Version 6, third ed. SAS Institute Inc., Cary, NC.
17. Sterning M., Lundeheim N. Some factors influencing pregnancy rate and subsequent litter size in primiparous sows. Acta Vet. Scand. 36:1995;353-365.
18. Svajgr A.J., Hays V.W., Cromwell G.L., Dutt R.H. Effect of lactation duration on reproductive performance of sows. J. Anim. Sci. 38:1974;100-105.
19. Van Gelder K., Bilkei G. The influence of lactation length on the occurrence of non-infectious reproductive failure in a large commercial herd. The Pig J. 50:2002;42-52.
20. Varley M.A., Cole D.J.A. Studies in sow reproduction. 5. The effect of lactation length of the sow on the subsequent embryonic development. Anim. Prod. 22:1976;79-85.
21. Varley M.A., Cole D.J.A. Studies in sow reproduction. 6. The effect of lactation length on pre-implantation losses. Anim. Prod. 27:1978;209-214.
22. Varley M.A., Foxcroft G.R. Endocrinology of the lactating and weaned sow. J. Reprod. Fertil. Suppl. 40:1990;47-61.