Implementation of Bovine Brucellosis Eradication Programme ......Bovine Brucellosis eradication...

Implementation of

Bovine Brucellosis Eradication Programme

in Portugal 2014

PAFF Standing Committee Brussels, 7-8 July 2015

Regions Number of herds

Number of animals

Norte 17 333 256 472

Centro 6 350 118 247

LVT 1 080 85 409

Alentejo 4 196 533 978

Açores 4 619 131 414

TOTAL 33 578 1 125 520

Approved by Commission Decision 2013/722/UE

Algarve is Officially Free since April 2012 (Commission Decision 2012/204/EU)

Norte

Centro

LVT

Alentejo

Algarve

Bovine Brucellosis eradication programme Characterization 2014 – Mainland & Azores

Officially brucellosis free and Free herds - annual herd screening test Rose Bengal Test (RBT) to all animals over 12 months

If RBT positive results are found samples are submitted to

Complement Fixation Test (CFT) Control of animal movement control and pre-movement testing

Bovine Brucellosis eradication programme Strategy 2014


In positive suspended herds (at least 1 animal RB positive and CFT >= 20 IU/mL)

• Farmer is notified by DSAVR - herd is under sanitary sequestration

• Animal movement is prohibited unless for immediate slaughter

• Control of milk according with Reg. 853/2004

• Positive animals are marked, collected and slaughter under official control, in the 30 days following the date of notification

• Samples are collected from slaughtered animals of B3/B4 suspended herds and submitted to bacteriology

• Remaining animals are submitted to a serological control within 30 days after the withdrawal to slaughter of positive animals

• Suspended status is lifted with 2 consecutive negative tests to all animals over 12 months of age, with 30 and 60 days interval

In infected herds:

Epidemiological evaluation and identification of contact herds and possible sources of infection

• Decision on stamping out • Supervision of cleaning and disinfection of premises, equipment and

other utensils when herd is depopulated

In total, lifting of restrictions require, from infected to officially free status, 4 negative surveys covering all animals over 6 months of age, with 30, 60, 90 and 90 days intervals


RB51 Vaccination Programmes

Mainland: Montalegre and Vieira do Minho Ribeira de Pena Alentejo Region Cuba/Alvito (at Atentejo Region)

Autonomous Region of Azores: Terceira São Jorge São Miguel


0.61%

0.56%

0.31% 0.27% 0.28%

0.15%

0.08% 0.06% 0.04% 0.04%

0.39% 0.43%

0.23% 0.22% 0.24%

0,00%

0,10%

0,20%

0,30%

0,40%

0,50%

0,60%

0,70%

2010 2011 2012(RÑOI)

2013(RÑOI)

2014(RÑOI)

Bovine Brucellosis (Continent & Azores) prevalence & incidence

Herd prevalence Animal prevalence Herd incidence

Years

Bovine Brucellosis eradication programme Results 2014

Nº Herds tested 31 515 Nº animals tested 785 303


257 216 108 88 88

1355

713

518

328 352

0

200

400

600

800

1000

1200

1400

1600

2010 2011 2012(RÑOI)

2013(RÑOI)

2014(RÑOI)

Bovine Brucellosis (Continent & Azores) No positive herds & No positive animals

N.º positive herds N.º positive animals

Years Years

8 holdings with bacterial isolation (13%, n=62) 6 by B. abortus and 2 by B. melitensis

Regions Number of positive

herds

Number of new

positive herds

% positive herds

% new positive

herds

Norte 39 28 0.23 0.16

Centro 4 4 0.06 0.06

LVT 0 0 0 0.00

Alentejo 25 24 0.60 0.58

Açores 20 19 0.69 0.66

TOTAL 88 75 0.28 0.24


72.2%

38.9% 33.3%

16.7% 11.1%

5.6%

0,0%

10,0%

20,0%

30,0%

40,0%

50,0%

60,0%

70,0%

80,0%

Direct contactwith ruminants

from other flocks

Introduction ofanimals

Common pasture Unknown / othersources

Recurrence Introd. animals/premovementtests not inaccordance

Epidemiological inquiries Source of infection

BB - 2014

Direct contact with ruminantsfrom other flocks

Introduction of animals

Common pasture

Unknown / other sources

Recurrence

Introd. animals/ premovementtests not in accordance


Vaccination programme


BB 2014

TOTAL Norte Alentejo Açores

N.º vaccinated herds 2 717 517 16 2 184

N.º vaccinated animals 25 194 1 309 1 238 22 647

Regions with favourable indicators of evolution of the disease - Additional measures for a better understanding of possible cases of

False Positive Serological Reactions - Herd depopulation

Ongoing work

Regions with more difficulties in decreasing prevalence - Thorough epidemiological investigation of outbreak´s - Animal movement control - Reinforcement of vaccination - Improve quality of bacteriological investigation


PAFF Standing Committee Brussels, 7-8 July 2015

Implementation of

Sheep and Goats Brucellosis

Eradication Programme

in Portugal 2014

Regions Number of herds

Number of animals

Norte 16 741 419 284

Centro 27 959 551 923

LVT 7 106 184 539

Alentejo 7 926 1 065 055

Algarve 1 224 59 858

TOTAL 60 873 2 280 659

Approved by Decision 2013/722/UE

S&G Brucellosis eradication programme Characterization 2014

The Autonomous Region of Azores is Officially Free of Brucella melitensis Commission Decision 2003/644/CE, 17th January

Serological control is mandatory for animals over 6 months or over 3 months in the case of vaccinated with Rev1

In areas where 99.8% of S&G flocks are B3/B4, the representative fraction of the population over the age of 6 months to be tested is the following:

- all non-castrated male - all animals brought into the holding - reproductive females N.º of females at

reproductive age

N.º of females to

be tested

0 - 50 all

50 - 200 50

> 200 25% Measures in positive and infected flocks are identical to those applied in bovines

S&G Brucellosis eradication programme Strategy 2014

In regions with higher prevalence :

Trás-os-Montes (part of DSAVR Norte) Centro Region Algarve Region

S&G Brucellosis eradication programme Strategy 2014

REV1 Vaccination Programmes

Young animals 3-6 months of age

1.27% 1.35%

1.21% 1.10%

0.88%

0.41% 0.46% 0.32%

0.23% 0.23%

0.56% 0.61% 0.66% 0.68%

0.58%

0,00%

0,20%

0,40%

0,60%

0,80%

1,00%

1,20%

1,40%

1,60%

2010 2011 2012 2013 2014

Sheep & Goats brucellosis Incidence and prevalence

Herd prevalence Animal prevalence Herd incidence

S&G Brucellosis eradication programme Results 2014

98.2% coverage of herds under the programme 2 124 294 animals controlled

841 867 746 670

529

1.27% 1.35%

1.21% 1.10%

0.88%

0

100

200

300

400

500

600

700

800

900

1000

0,0%

0,2%

0,4%

0,6%

0,8%

1,0%

1,2%

1,4%

1,6%

2010 2011 2012 2013 2014

Sheep & Goats brucellosis N.º positive herds / herd prevalence

N.º positive herds Herd prevalence

years


62 holdings with Brucella melitensis isolation (15.3%, n=404)

Regions Number of positive herds

Number of new positive

herds

% positive herds

% new positive herds

Norte 374 228 2.28 1.39

Centro 35 35 0.13 0.13

LVT 53 36 0.81 0.55

Alentejo 44 39 0.57 0.51

Algarve 23 9 1.88 0.74

TOTAL 529 347 0.88 0.58


51.5%

33.3% 31.3%

26.3%

16.2%

7.1% 6.1%

0,0%

10,0%

20,0%

30,0%

40,0%

50,0%

60,0%

Epidemiological inqueries Source of infection

Bpr -2014

Introduction of animals

Direct contact with ruminants from other flocks

Common pasture

Recurrence

Unknown / other sources

Direct contact with flocks of the same owner

Transhumance


2014 TOTAL Norte Centro Alentejo Algarve

N.º vaccinated flocks 2 827 2 411 327 25 64

N.º vaccinated animals 32 379 25 203 5 530 833 813


Vaccination programme

Regions with favourable indicators of evolution of the disease - Additional measures for a better understanding of possible cases of False Positive Serological Reactions

Ongoing work

Regions with more difficulties in decreasing prevalence - Thorough epidemiological investigation of outbreaks - Animal movement control - Reinforce of vaccination - Investigate interference of vaccination in the serological diagnosis - Revision of quality of bacteriological investigation

S&G Brucellosis eradication programme

Direção Geralde Alimentaçãoe Veterinária

Year N.º of human cases

2010 86

2011 79

2012 47

2013 35

2014 52

Data from the Directorate-General of Health (DGS)

Brucellosis eradication programme

Notified human cases

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Implementation of Bovine Brucellosis Eradication Programme ......Bovine Brucellosis eradication...

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