Return to OESTRUS after first insemination in sow herds (incidence, seasonality, and association with reproductivity and some blood parameters)

References

• Baltussen , WHM , Altena , H , Bakker , CM and Rijnberk , D van . 1988 . Bedrijven met varkens 1987 , Rosmalen : Proefstation voor de Varkenshouderij en het Landbouw Economisch Instituut . Rapport C 1.8 53 pp
   Google Scholar
• Bercovich , Z , Spek , CW and Comvalius‐Adriaan , I . 1983 . The incidence of antibodies to various serotypes of Leptospira in pigs in the Netherlands during the period from 1975 to 1980 . Tijdschr Diergeneeskd , 108 : 133 – 8 .
   PubMed Web of Science ®Google Scholar
• Bolin , CA , Cassells , JA , Hill , HT , Frantz , JC and Nielsen , JN . 1991 . Reproductive failure associated with Leptospira interrogans serovar bratislava infection of swine . J Vet Diagn Invest , 3 : 152 – 4 .
   PubMedGoogle Scholar
• Centrale Bedrijfskomputer (CBK), CBK plus gebruikers handleiding, Cooperatieve Gebruikersvereniging Stichting Informatie Varkens en Automatisering’ SIVA‐produkten b.a., Rosmalen, the Netherlands, 1989
   Google Scholar
• Claus , R and Weiler , U . 1985 . Influence of light and photoperiodicity on pig prolificacy . J Repro.d Pert Suppl , 33 : 185 – 97 .
   PubMedGoogle Scholar
• Connor , JF . 1989 . Reproductive problems in swine breeding herds . Vet Med , 84 : 318 – 27 .
   Google Scholar
• Cutler , RS , Molitor , TW , Leman , AD and Sauber , TE . 1982 . Effect of poricine parvovirus serostatus on the reproductive performance of mated gilts in an infected herd . Am J Vet Res , 43 : 935 – 7 .
   PubMed Web of Science ®Google Scholar
• De Leeuw , PW , Rouwette , HJF , Golstein Brouwers , GWM van and Kuiper , CJ . A comparison of two porcine parvovirus vaccines under field conditions . In Proc, 8th IPVS Congress . August 27–31 , Ghent, Belgium. pp. 14
   Google Scholar
• De Waal , CAH , Hartman , EG , Bokhout , BA and van Leengoed , LAGM . 1991 . Porcine leptospirosis. Remarks on the sero‐diagnosis of Leptospira interrogans serotype bratislava. . Tijdschr Diergeneeskd , 116 : 173 – 9 .
   PubMed Web of Science ®Google Scholar
• Dial , GD , Marsh , WE , Poison , DD and Vaillancourt , JP . 1992 . “ Reproductive failure: differential diagnosis ” . In ‘Diseases of Swine’ , 7th edition , Edited by: Leman , ED , Straw , BE , Mengeling , WL , D'Allaire , S and Taylor , DJ . 88 – 137 . Ames, , USA : Iowa State University Press .
   Google Scholar
• Dimopoullos , GT . 1963 . “ Plasma proteins ” . In ‘Clinical Biochemistry of domestic Animals’ , Edited by: Cornelius , C.E. and Kaneko , J.J. 109 – 201 . New York, London : Academic Press .
   Google Scholar
• Elbers , ARW , Counotte , GHM and Ticlen , MJM . 1992 . Haematological and clinicochemical blood profiles in slaughter pigs. Reference values, between and within variability and the relationship with herd factors and growth performance . Vet Quart , 14 : 57 – 62 .
   PubMed Web of Science ®Google Scholar
• Ellis , WA , McParland , PJ , Bryson , DG and Cassells , JA . 1986 . Prevalence of Leptospira infection in aborted pigs in Northern Ireland . Vet Rec , 118 : 63 – 5 .
   PubMed Web of Science ®Google Scholar
• Frantz , JC , Hanson , LE and Brown , AL . 1989 . Effect of vaccination with a bacterin containing Leptospira bratislava on the breeding performance of swine herds . Am J Vet Res , 50 : 1044 – 7 .
   PubMed Web of Science ®Google Scholar
• Geudeke , MJ . 1993 . “ Vruchtbaarheidsstoornissen bij het vrouwelijk varken ” . In Gezondheidsdienst voor Diercn in Zuid‐Nederland , Rapportnr. 93003 47 pp
   Google Scholar
• Glossop , CE and Foulkes , JA . 1988 . Occurrence of two phases of return to oestrus in sows on commercial units . Vet Rec , 122 : 163 – 4 .
   PubMed Web of Science ®Google Scholar
• Greenland , GJR . 1990 . Fouten in het dekmanagement als oorzaak van fertiliteitsstoomissen op twee varkensvermeerderingsbedrijven . Tijdschr Diergeneeskd , 115 : 410 – 2 .
   PubMed Web of Science ®Google Scholar
• Hathaway , SC and Little , TWA . 1981 . Prevalence and clinical significance of lcptospiral antibodies in pigs in England . Vet Rec , 108 : 224 – 8 .
   PubMed Web of Science ®Google Scholar
• Hosmer , DW and Lemeshow , S . 1989 . Applied Logistic Regression , New York, Toronto, Singapore : John Wiley and Sons .
   Google Scholar
• Hurtgen , JP and Leman , AD . 1979 . Seasonal influence on the fertility of sows and gilts . J Am Vet Med Assoc , 177 : 631 – 5 .
   Web of Science ®Google Scholar
• Huysman , CN , Leengoed , LAMG van , Jong , MCM de and Osta , ALM van . 1992 . Reproductive failure associated with porcine parvovirus in an enzootically infected pig herd . Vet Rec , 131 : 503 – 5 .
   PubMed Web of Science ®Google Scholar
• Imlah , P and McTaggart , HS . 1977 . “ Haematology of the pig ” . In ‘Comparative clinical haematology’ , Edited by: Archer , R.K. and Jeffcott , L.B. 271 – 303 . Oxford, London, Edinburgh, Melbourne : Blackwell Scientific Publ. .
   Google Scholar
• Informatie en Kennis Centnim Veehouderij en het Landbouw Economisch Institiuut, 1990. Bedrijven met varkens. Rosmalen 1989; 29
   Google Scholar
• King , GJ and Wilson , MR . 1980 . Reproductive failure in a total confinement herd associated with parvovirus . In Proc 4th IPVS June . 30‐July 3 1980 , Copenhagen, Denmark. pp. 59
   Google Scholar
• Kingscote , BF . 1986 . Leptospirosis outbreak in a piggery in southern Albertha . Can Vet J , 27 : 188 – 90 .
   PubMed Web of Science ®Google Scholar
• Leman , AD . 1990 . Manage for short wean‐service interval ‐ Mate sows once 3–5 days after weaning . Int Pigletter , 8 (10) : 29 – 32 .
   Google Scholar
• Love , RJ . 1978 . Definition of a seasonal infertility problem in pigs . Vet Rec , 103 : 443 – 6 .
   PubMed Web of Science ®Google Scholar
• Love , RJ and Wilson , MR . 1990 . Fertility of sows mated on different days of the week . Austr Vet J , 67 : 1 – 3 .
   PubMed Web of Science ®Google Scholar
• Martin , SW , Meek , AH and Willeberg , P . 1987 . “ Epidemiologic measures of Association ” . In ‘Veterinary Epidemiology. Principles and Methods’ , Edited by: Martin , SW , Meek , AH and Willeberg , P . 128 – 34 . Ames, , USA : Iowa State University Press .
   Google Scholar
• Muirhead , MR . 1978 . Constraints on productivity in the pig herd . Vet Rec , 102 : 228 – 31 .
   PubMed Web of Science ®Google Scholar
• Power , SB . 1991 . Diagnosing leptospira in pigs . Vet Rec , 128 : 43
   PubMed Web of Science ®Google Scholar
• Rondhuis , PR and Straver , PJ . 1972 . Enige kenmerken van een klein hemagglutinerend DNA‐virus, geisoleerd uit een verworpen varkensfoetus . Tijdschr Diergeneeskd , 97 : 1257 – 67 .
   Google Scholar
• Scholten RHJ, Vesseur PC, Kemp B. Analyse van het interval spe‐nen‐cerste inseminatie. Proefverslag P1.88, Proefstation voor de Varkenshouderij, Rosmalen 1993
   Google Scholar
• Statistix version 4.0. Analytical software, St. Paul, Minnesota, U.S.A. 1992
   Google Scholar
• Stein , TE , Duffy , SJ and Wickstrom , S . 1990 . Differences in production values between high‐ and low‐productivity swine breeding herds . J Anim Sci , 68 : 3972 – 9 .
   PubMed Web of Science ®Google Scholar
• Thacker , BJ and Gonzalez , PL . 1988 . Infectious reproductive diseases in swine . Compend Com Educ Pract Vet , 10 : 669 – 79 .
   Web of Science ®Google Scholar
• Tomes , GJ and Nielsen , HE . 1982 . “ Factors affecting reproductive efficiency of the breeding herd ” . In ‘Control of Pig Reproduction’ , Edited by: Cole , DJA and Foxcroft , GR . 527 – 39 . London, Boston, Toronto, Sydney : Butterworth Scientific Publ. .
   Google Scholar
• Tubbs , RC . 1990 . Factors that influence the weaning‐to‐estrus interval in sows . Compend Cont Educ Pract Vet , 12 : 105 – 15 .
   Web of Science ®Google Scholar
• Tuinte , JHG . 1979 . Vruchtbaarheid van de zeug en bedrijfsvoering . Bedrijfsontwikkeling , 10 : 582 – 88 .
   Google Scholar
• Baalen , WJ van and Counotte , GHM . 1992 . “ Compendium Laboratoriumonderzoek, Immunologische bepalingen bij varkens ” . In Stichting Gezondheidszorg voor Dieren 10 Den Haag
   Google Scholar
• Wiel , DFM van de , Erkens , J , Koops , W , Vos , E and Landeghem , AJJ van . 1981 . Periestrous and midluteal time courses of circulating LH, FSH, Prolactin, Estradiol‐17b and Progesterone in the domestic pig . Biol Reprod , 24 : 223 – 33 .
   PubMed Web of Science ®Google Scholar
• Wiel , DFM van de and Koops , W . 1986 . Development and validation of an enzyme immuno assay for progesterone in bovine milk or blood plasma . Anim Reprod Sci , 10 : 201 – 13 .
   Web of Science ®Google Scholar
• Leengoed , LAGM van , Vos , J , Gruys , E , Rondhuis , P and Brand , A . 1983 . Porcine Parvovirus infection: review and diagnosis in a sow herd with reproductive failure . Vet Quart , 5 : 131 – 41 .
   PubMed Web of Science ®Google Scholar
• Til , LD van and Dohoo , IR . 1991 . A serological survey of leptospirosis in Prince Edward Island swine herds and its association with fertility . Can J Vet Res , 55 : 352 – 5 .
   PubMed Web of Science ®Google Scholar
• Waldmann , KH . 1990 . Course and treatment of leptospirosis on a pig farm . Deutsch tierarztl Wschr , 97 : 39 – 42 .
   PubMed Web of Science ®Google Scholar
• Westenbrink , F , Veldhuis , MA and Brinkhof , JMA . 1989 . An enzyme‐linked immunosorbent assay for detection of antibodies to porcine parvovirus . J Virol Meth , 23 : 169 – 78 .
   PubMed Web of Science ®Google Scholar
• Wilson , MR . 1990 . Sow management to reduce boars and labor; increase production . Int Pigletter , 10 : 4 13 – 5 .
   Google Scholar
• Wrathall , AE . 1977 . Reproductive failure in the pig: diagnosis and control . Vet Rec , 100 : 230 – 7 .
   PubMed Web of Science ®Google Scholar
• Animal Health Service in the Southern Netherlands, P.O. Box 4. 52X0 AA Boxtel.
   Google Scholar
• Dept. of Population Medicine, Ontario Veterinary College, University of Guelph, Ontario, NIG 2W1 Canada.
   Google Scholar
• Dept. of Herd Health and Reproduction, Faculty of Veterinan Medicine, P.O. Box 80151, 3508 TD Utrecht, the Netherlands.
   Google Scholar