I smell burning cow!

Recycling was all the rage one time.
Drink cans, bottles, newspapers. We were extolled to save them all for recycling , help save the earths resources.

For decades we have been using fishmeal as a source of high grade protein to improve animal feed quality. But with world fish stocks becoming depleted, and increasing conservation pressures. New sources of protein for animal feed needed to be found. And yet with areas of the world still starving, it was plainly unacceptable to buy vegetable based protein foods from hungry nations, just for animal feed .

What animal feed manufacturers sell to farmers, as a winter supplement has always been based on by products from other uses, rice husks, sugar beet pulp from sugar making factories, brewers grains from breweries, imperfectly made sweets from chocolate factories.

Around 25% of the liveweight of any butchered animal is waste, Unless a specialised use could be found for it, it goes into landfill sites.. The world is getting more crowded, less space to bury things.
So the idea was developed of recycling the animal by products back into feed, helping the pressure on fish stocks, saving forested areas of the world being turned into farmland to produce soyabeans etc. Easing pressures on human food resources
It was tried on pigs and poultry to start with, and as they're shortlife span animals it worked. So it was extended to sheep and cattle feed supplements.

The theory was fine.......
In practice, someone didn't turn the heat up high enough in the recycling process,,,,, and an organism crossed the species barrier.
 
cue Bob Marley:

Flaming, we're flaming -- and I hope you like flaming too! Flaming ... oooh yeah ... we're gonna have a barbecue ...

[repeat to fade, whoever that is?!?]
 
Myrrdin...

...thanks for that explanation. I never really knew where animal feed came from...or why...probably didn't want to know, but it sure makes sense. I mean, at the time using sheep must have seemed like a rational, efficient use of waste material. In hindsight I'm sure there are lot of people wringing their hands and saying "you should have known." Who would have known then about BSE? The scary thing is, as I understand it, is that while it might have been possible to sterilise the sheep "product", the end result, the prions in BSE, cannot be heated hot enough to kill them. I had biology and physiology in high school, but I can't quite get a grasp of something that causes disease and replicates, but isn't quite alive. Scary.
 
Back
Top