Is there any point adding DNA testing to Tesco's Hieronymus Bosch painting of a production line?

Horse burger scandal.

More on the horsemeat scandal today as Tesco announces that it will be DNA testing its burgers. DNA testing is expensive but perhaps that's the point. As might be expected, Tesco is super-keen to reassure its customers that something's being done. Here's Tim Smith, Tesco's group technical director commenting on the decision in the FT:

We want to leave customers in no doubt that we will do whatever it takes to ensure the quality of their food and that the food they buy is exactly what the label says it is.

But I can't help thinking it would be cheaper to set up some checks earlier in the production process to ensure that the anomalous 29 per cent (that's over one in four) of the animals hanging on a hook in the abattoir look more like a cow than a horse. How technical can the solution be? It's actually fairly hard to serve up horses in this country - according to the FT's Tim Hayward (who clearly has tried):

Although it is not illegal to sell or eat horse in the UK, it is easier to obtain ostrich, zebra or kudu for those of us who have tried. Getting horse into a burger here requires the same level of negligence or fraud as getting dog or rat meat into it.

There's something weird about Tesco's production line starting off like a Hieronymus Bosch painting, rife with smuggled horses, kudu and clumsy children, and ending in a lab, poured over expensively by molecular scientists - "Aha! Zebra DNA! Thank God we're finally doing something to get them out of our burgers. Nifty fuckers". There must be a better way.

Horse burger scandal drags on. Photograph: Getty Images

Martha Gill writes the weekly Irrational Animals column. You can follow her on Twitter here: @Martha_Gill.

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PMQs review: Jeremy Corbyn prompts Tory outrage as he blames Grenfell Tower fire on austerity

To Conservative cries of "shame on you!", the Labour leader warned that "we all pay a price in public safety" for spending cuts.

A fortnight after the Grenfell Tower fire erupted, the tragedy continues to cast a shadow over British politics. Rather than probing Theresa May on the DUP deal, Jeremy Corbyn asked a series of forensic questions on the incident, in which at least 79 people are confirmed to have died.

In the first PMQs of the new parliament, May revealed that the number of buildings that had failed fire safety tests had risen to 120 (a 100 per cent failure rate) and that the cladding used on Grenfell Tower was "non-compliant" with building regulations (Corbyn had asked whether it was "legal").

After several factual questions, the Labour leader rose to his political argument. To cries of "shame on you!" from Tory MPs, he warned that local authority cuts of 40 per cent meant "we all pay a price in public safety". Corbyn added: “What the tragedy of Grenfell Tower has exposed is the disastrous effects of austerity. The disregard for working-class communities, the terrible consequences of deregulation and cutting corners." Corbyn noted that 11,000 firefighters had been cut and that the public sector pay cap (which Labour has tabled a Queen's Speech amendment against) was hindering recruitment. "This disaster must be a wake-up call," he concluded.

But May, who fared better than many expected, had a ready retort. "The cladding of tower blocks did not start under this government, it did not start under the previous coalition governments, the cladding of tower blocks began under the Blair government," she said. “In 2005 it was a Labour government that introduced the regulatory reform fire safety order which changed the requirements to inspect a building on fire safety from the local fire authority to a 'responsible person'." In this regard, however, Corbyn's lack of frontbench experience is a virtue – no action by the last Labour government can be pinned on him. 

Whether or not the Conservatives accept the link between Grenfell and austerity, their reluctance to defend continued cuts shows an awareness of how politically vulnerable they have become (No10 has announced that the public sector pay cap is under review).

Though Tory MP Philip Davies accused May of having an "aversion" to policies "that might be popular with the public" (he demanded the abolition of the 0.7 per cent foreign aid target), there was little dissent from the backbenches – reflecting the new consensus that the Prime Minister is safe (in the absence of an attractive alternative).

And May, whose jokes sometimes fall painfully flat, was able to accuse Corbyn of saying "one thing to the many and another thing to the few" in reference to his alleged Trident comments to Glastonbury festival founder Michael Eavis. But the Labour leader, no longer looking fearfully over his shoulder, displayed his increased authority today. Though the Conservatives may jeer him, the lingering fear in Tory minds is that they and the country are on divergent paths. 

George Eaton is political editor of the New Statesman.

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