Case of Mad Cow Disease Reported in the Netherlands

Bovine spongiform encephalopathy , or BSE , is a type of prion disease found in cows . prion are the misfolded and damaging shape of of course occurring proteins that are often found in the brain . When these rogue proteins encounter their normal counterparts , they somehow force the latter to misfold as well , cause a domino event that demolish the brain over sentence . There are unlike brooding period , depending on the disease , but all prion disease are currently 100 % disastrous once symptom come out .

In humanity , the most vernacular prion illness ( but still very rare in general ) is Creutzfeldt - Jakob disease , or CJD . Most cases of CJD are sporadic , stand for they spontaneously appear , usually in posterior life-time . Other kind can be due to inherited chromosomal mutation or trip up from contaminate surgical equipment or donated human organs during sure procedures . But the most notorious form of the disease isvariant CJD , which is caught from eat the squawk of moo-cow infected with BSE .

In the eighties and 1990s , at least hundreds of multitude developed variant CJD from polluted bitch . The bulk of these cases were limited to the UK , where other outbreak of harebrained cow were similarly rivet . These outbreaks appeared to have been fueled through the practice of eating cows the meat of other septic cows or from sheep infected with their own prion disease , called scrapie .

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far-flung BAN of British beef , along with change in alimentation and slaughter regulation , come along to stem the menace of mad cow by the mid-1990s . Since then , there have n’t been big - scurf eruption of either BSE or variant CJD . But much like in humanity , BSE can still come out up in cows , make any uncovering on a farm an pressing precedency to contain .

On Wednesday , the Netherlands ’ Ministry of Agriculture report the BSE case , the first to be detected since 2011 . According to local officials , the cow was found before it entered the intellectual nourishment chain , so it should n’t directly pose any danger to hoi polloi . But move over the possibility that the cow may have infect surrounding creature on the farm or contracted BSE from contaminated provender , confidence are see for other transmission chain .

“ Offspring , and animals that have had the same provender , and animals that have originate up with this bovine are being track down , test for BSE , ” and will be put down , Agriculture Minister Piet Adema said , the NL Timesreported . “ There is a chance that other cattle have also eaten this feed and become septic from it . In that display case , measure must be taken to manage risks to food safe and public wellness . ”

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The exact type of BSE find in this cow is not bonk at the time . “ Classic ” BSE happens when cow eat up polluted meat , but atypical BSE seems to take place spontaneously , ordinarily in older cow . It ’s unknown whether eating polluted beef from cows with untypical BSE cancausevariant CJD in people . But there does seem to be a strong genetic component to bewitch variant CJD from cows in oecumenical . The initial human outbreak were much smaller than experts expected , and it ’s since become seeming that the vast majority of cases haveoccurredamong people with a particular version of their human prion protein gene .

Some scientists have marvel whether having a different reading of the gene may only retard the onset of variant CJD , though , not prevent it entirely ( in at least one lawsuit of impart CJD , it reportedly tookthree tenner for symptom to appear following pic ) . And if that ’s dead on target , then there still could be succeeding cases stemming from the original BSE irruption in the years to come . Another possible prion - related threat may derive from the outspread ofchronic wasting disease among North America ’s cervid universe , though no evidence of cervid - to - human transmission has been found yet .

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