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Establishment of a PPR Global Research and Expertise Network (PPR-GREN)

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Subject:
From:
MINOUNGOU Germaine <[log in to unmask]>
Reply To:
MINOUNGOU Germaine <[log in to unmask]>
Date:
Tue, 4 Feb 2014 16:41:45 +0000
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Dears,

We all in Africa share the same small ruminants husbandry systems
described in Sudan and I highly agree with Dr S. Huyam when he
ascertain we should take it into account in planning PPR control
strategy. We have different climate depending on countries and it is
my believe that we should match the vaccination periods with the cold
season whether it is before or after the raining season.
It is also important to set up reference status of PPR prevalence in
countries, so that we know where we start and the goal we target.

Regards,
Dr G MINOUNGOU

On 2/3/14, Paul Rossiter <[log in to unmask]> wrote:
> Colleagues,
>
> Concerning key positive and negative factors influencing PPR control.
>
> From my point of view, which depends on field investigations and
> observations, studying the risk factors that contribute to PPR occurrence
> and spread should be prior to setting of control policy and should determine
> the suitable time and season for implementing the proposed policy. In my
> country, Sudan, sheep and goats husbandry system can be divided into 3
> catogeries: 1- Sedentary with open grazing system, 2- Transhumance
> pastoralist, and 3- intensive production which is the smaller group in the
> three while systems 1 and 2 represent the majority of small ruminants
> populations. We observe that there are shared pastures and water points for
> different herds from different states and even different countries, and that
> they gather more during rainy seasons and after it. In my study (unpublished
> yet) I have found  a significant association between the high rainfall and
> PPR sero-positivity in unvaccinated sheep and goats. Therefore, I have
> conclude that
>  the vaccination programme should be implemented as follows:
> 1): before the rainy season in all of Sudan's states with prioritization of
> the states which contribute potentially to small ruminant exports or
> through which herds for export are transported.
> 2): Vaccination should be planned according to the number of sheep and goats
> population in the state taking into account the transhumance movements
> routes, and should reach a minimum 80% percent coverage.
> 3): There should be a thorough monitoring of herds crossing country and
> state borders as much as possible.
> 4): The efficacy of vaccination should be evaluated.
>
> These points could be valuable for other diseases beside PPR.
>
>
> Huyam Salih, Khartoum- Sudan, PhD research on "Developing risk assessment
> and management for PPR disease in Sudan", 2011-2014.
>
>
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>
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-- 
Dr G. MINOUNGOU/COMPAORE
Directrice du Laboratoire National d'Elevage (DLNE)

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