02 perreul relu 13 avril soir

How to manage PCV2 in gilts? Dr Jean-Bernard HERIN, Avian and Swine technical and marketing manager Dr Guillaume PERREUL, Swine technical manager

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object]

Material and methods ,[object Object],[object Object],[object Object],[object Object],[object Object]

ELISA PCV2 SYNBIOTICS and interpretation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Forum d’Athènes

ELISA PCV2 SYNBIOTICS: What kind of applications? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Forum d’Athènes

Results: company A 125 102 141 42 52 62 SD (%) 3163 4673 1624 11144 240 2077 PCV2 ELISA titre A6 A5 A4 A3 A2 A1 Farm

Results : company P 84 66 59 146 34 78 100 73 191 123 SD (%) 3145 6592 2429 1014 300 1216 100 1712 585 840 PCV2 ELISA titre P10 P9 P8 P7 P6 P5 P4 P3 P2 P1 Farm

Results: company C 138 139 63 65 66 188 114 144 SD (%) 1022 4457 3003 8949 6592 349 11 327 PCV2 ELISA titre C8 C7 C6 C5 C4 C3 C2 C1 Farm

Results: company D 0 88 104 94 187 SD (%) 15000 48 54 2611 3455 PCV2 ELISA titre D6 D5 D3 D2 D1 Farm

Low and heterogeneous titers: which consequences? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

* 3 fœtuses aborted before necropsy Sow 25 : the lowest titer and the biggest pcv2 contamination in genital tract 1/10 4 1/10 4 1/10 3 1/10 3 1/10 4 1/10 4 1/10 3 1/10 3 1/10 2 - - - - - - - - 1 Foetus and corresponding uterine tract (right) - - - + - - - - 7 Foetus and corresponding uterine tract (left) - - - - - - - 1/11 - Amniotic fluids (positive/total litter) - - - - - - 3/7 - 10/16 Foetuses (positive/total litter) - - - - + - - - - Cervix - - - / - / - - + Tracheo-bronchial lymph node - - - - - + - - + Uterine right lymph node - - - - - - - - + Uterine left lymph node - - - - - + - - - Tonsil - - - - 28 7 21 - 21 - 35 PCR PCV2 in blood at D+AI 8 0* 11 0 0 0 7 11 16 Pregnant : YES Pregnant : NO Pregnant : YES Négative sows Infected sows

[object Object],[object Object],[object Object],Pr Hans NAUWYNCK DVM, PhD – Laboratory of Virology – Faculty of Veterinary Medicine – Ghent University - Belgium What should we do?

Vaccination study with Circovac at the experimental station of Guernevez Impact on acclimatization and performances of high health status gilts

[object Object],[object Object],[object Object],Gilt health status in quarantine

Material and methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],A B

Results: clinical monitoring in quarantine ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Non vaccinated Nothing Nothing Nothing Nothing Dia (1) Nothing Nothing Nothing 15 B 30 Nothing Anor (1) Nothing Nothing Nothing Nothing Anor (2) Nothing 15 B 29 ND ND ND Nothing Nothing Nothing Nothing Anor (1) 16 B 27 Nothing Anor (1) Nothing Nothing Nothing Nothing Nothing Nothing 18 B 26 Vaccinated 17 20 19 18 18 N Appe (1) Anor (2) Loss of weight Appe (1) Nothing Nothing Appe (2) Anor (3) B 24 Nothing Anor (4) Anor (1) Death (1) Anor (1) Nothing Appe (1) Anor (1) Appe (1) Death (1) H++ (1) Appe (1) B 23 Nothing Nothing Nothing Appe (1) Death (1) Nothing Anor (1) Appe (1) Nothing B 22 Appe (2) Anor (1) Appe (1) 5 Appe (2) Diar (2) Limp (1) 4 Appe (1) Nothing 2 Appe (1) Limp (3) Appe (1) Anor (2) 1 Appe(2) Appe (2) Diar (3) Appe (2) Appe (1) Anor (2) B 21 Anor (1) Anor (2) Nothing Appe (3) Anor (1) B 20 7 6 3 0 Week Less clinical signs in quarantine in the vaccinated batches!

Results: ADWG in quarantine Non vaccinated ≈ 325 g/d Vaccinated ≈ 439 g/d p < 0,001 Improvement of ADWG of vaccinated gilts!

ADWG 3 weeks after insemination g/day Better acclimatization of gilts at entry in farm

Results: weight at the first farrowing Weight (kg) Vaccinated Non vaccinated p < 0,05 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Total born piglets at 1 st farrowing Non vaccinated Vaccinated +0.5 total born in vaccinated group

Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Improvement all along the gilt life!

Improvement of reproductive parameters of gilts after Circovac vaccination Michel Noirrit DVM - France

Farm description ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Case description ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

PCV2 Circovac vaccination ,[object Object],[object Object],[object Object],[object Object],[object Object]

Reproductive parameters before and after Circovac Non vaccinated gilts Circovac vaccinated gilts p Gilts (number) 165 165 % return to oestrus 5.1 % 1.8 % 0.125 % abortion (n°) 7.3% (12) 3.6% (6) 0.146 % farrowing 83.9 % 90.5 % 0.072 Mummies/litter 0.3 0.3 Stillborn/litter 0.8 0.8 Weaning to Fecundation interval 8.7 days 5.5 days NA

Conception rate of young sows and immunity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],PCV2 vaccination seems necessary even without clinical signs of PMWS

PORFIMAD study ,[object Object],[object Object],[object Object],[object Object],[object Object],28x10 6 /year 18x10 6 /year 0,9x10 6 /year 1,2 10 6 800x10 3 44x10 3

Total born/litter Born alive/litter Vaccinated Non vaccinated + 0,5 Parity + 0,4 Parity

Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object]

Discussion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

02 perreul relu 13 avril soir

Empfohlen

Empfohlen

Weitere ähnliche Inhalte

Was ist angesagt?

Was ist angesagt? (18)

Andere mochten auch

Andere mochten auch (7)

Ähnlich wie 02 perreul relu 13 avril soir

Ähnlich wie 02 perreul relu 13 avril soir (20)

Mehr von Merial EMEA

Mehr von Merial EMEA (20)

Kürzlich hochgeladen

Kürzlich hochgeladen (20)

02 perreul relu 13 avril soir

Hinweis der Redaktion