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sp_Feed F-Animals
Feeding pigs manure
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K
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22 Aug ’14 - 4:17 pm
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wow, never heard that one before, maybe I should throw them in together

This entry is about cows and pigs. But before we get down and dirty let’s start with some basic facts about humans’ and pigs’ nutrition to make sure we’re on the same page.

What does it take to fatten pigs efficiency?

It is said that all animals need proteins to be fattened efficient. Is it really true? Not entirely — in fact all we really need is a substance which proteins are made of: amino acids. Some of which the body can ‘produce’ on its own. These ‘self-made’ substances are called non-essential amino acids and they are synthesized mainly from carbohydrates and other amino acids.

And those amino acids that humans and pigs cannot produce themselves are called essential amino acids.

 

Essential amino acids:

  • phenylalanine
  • valine
  • threonine
  • tryptophan
  • isoleucine
  • methionine
  • leucine
  • lysine

We shouldn’t forget that children also need two additional amino acids:

  • histidine
  • arginine

Here’s where it gets interesting — if we don’t provide our bodies with sufficient amounts of essential amino acids, over time this will lead to amino acid deficiency and that can result in:

  • Heart diseases (our heart simply will not have enough amino acids to regenerate)
  • Depression
  • Kwashiorkor
  • Loss of hair
  • And many, many more

But in rich countries you should not be afraid of an amino acid deficiency — unless you’re on a very strict diet where either quality or quantity of essential amino acids doesn’t meet one’s daily requirements or if a particular person has some digestive or health related problems.

The same rules apply both to humans and pigs, with which we have a lot in common, especially when it comes to digestion. But it may be a little bit more difficult to notice this since the life span of a pig is much shorter than ours (domesticated pigs can live up to 15-20 years, and wild pigs 4-8 years), so the deficiency and its consequences are not so easily recognizable. For example: What if the speed of fattening or speed of growth shows that a pig has nutritional deficiencies? At the end of the day feed conversion ratio (a simple measure of an animal’s efficiency in converting feed mass into increased body mass) is just an indicator of how much food it takes for the pig to grow, not necessarily for them to be healthy. The animal industry has a long track record of using substances that enhance an animal’s growth, but are not particular healthy for the animals or the people who may ultimately eat them. Think of subtherapeutic use of antibiotics….

Studies show that a shortage of even just one essential amino acid in pigs’ feed will cause them to convert it into lard (pork fat) instead of producing structural protein (meat). Of course there’s nothing wrong with that as long we are raising pigs just for our own needs — pork lard from pasture-, orchard- or forest-raised pigs was traditionally used by our ancestors here in Poland for centuries. But if you have a business to run, then fat pigs is not what you’re looking for….

Here’s some simple math:

First of all the meatiness ratio (how much meat a pig embodies) is dropping, and most consumers prefer lean pork. E.g. example 1 pound of lard cost about 0, 5 – 1, 5 PLN and 1 pound of meat cost around 5-7PLN in Poland. So that means pork-breeders get paid less for fat pigs.

Secondly, protein is the most expensive ingredient in pigs’ feeding formula (assuming you have to buy it from an outside source).

And last but not least — it takes more calories of pig feed for the pig to create fat than to create protein (9 kcal for 1g of fat and just 4 kcal to create 1g of protein)!

So pig breeders will lose x3 if they sell fat pigs.

All the amino acids are needed at the same time — if even one is missing; the proteins from food will not be used efficiently. Old textbooks on biology, nutrition and animal husbandry differentiate complete protein (animal) and not complete (plant). The amino acids, just like a wooden barrel holding water, can have 99% efficiency, but even if one tight plank is missing, then the barrel fails. And back to barrels…. Water can be stored only to the level of the lowest hole in that barrel. It does not matter that the barrel has a capacity of 500 l (providing large amounts of protein pig feed) but what counts is how high the lowest hole in that barrel is (the essential amino acid lacking in pig’s diet).

If we want to raise pigs on pasture, usually we should watch for those amino acids that are the limiting factor for pigs’ growth (because of their lack of pasture sward). These are: lysine, methionine, threonine and tryptophan. Theoretically one could supplement pigs’ feed with rapeseed meal or soybeans, but considering that most of those plants are genetically modified, and they are usually cultivated in a really unsustainable way, it’s better to find other source of essential amino acids.

The cow — a valuable potential source of feed for pigs

What do all these arguments about essential amino and pigs have to do with a simple cow?

Cows are excellent for supplying very large quantities of missing essential (and not so essential) amino acids for pigs, as well as a little easily digestible calories.

Pigs for cured parma ham are raised on pasture; they also get whey — a byproduct from producing cheese — and sweet chestnuts. Such a ‘feed formula’ provides pigs with all the essential amino acids they need and also makes pork taste sweet. Is the permaculture principle “produce no waste” met here? I’m sure it is!

Perhaps readers can begin to see the picture, for how to sustainably raise cows and pigs together: The cow gives milk, from which the milker makes butter and cheese. Remnants of the production (buttermilk and whey) can be given to pigs to eat. This is a wholesome feed — and as you can see, there’s no longer the need for the soybeans (GMO or otherwise).

One cow can deliver more than 100 pounds of pig feed!

Despite appearances, milk, buttermilk and whey are not the only food for pigs which cattle can provide. Another potential source of food for the omnivore swine is… cow manure.

What happens to plants that a cow swallows?

Interesting things happen with plants digested by cows. First of all you need to know that, for a cow, plants are not the direct source of food — to increase the nutritional value of their feed cows are using a middle man: bacteria. Cows are chewing the plant to increase the surface area of the plant on which bacteria can act (aren’t cows "increasing the edge?"). These bacteria digest plant food and then they multiply. After they multiply, the pre-digested plant food with all bacteria moves to the next stomach (they have four!). A cow (or rather a farmer who feeds it), in contrast to the pig, does not need to worry about the quality or quantity of essential amino acids they receive. It’s enough that the cow will get an appropriate amount of protein, fiber and carbohydrates. Even better, the cow does not even have to consume large amounts of proteins because the bacteria in their stomachs are able to convert urea into proteins (nitrogen source for bacteria to produce a protein). There are known cases in which a large part of the cows’ diet was sawdust, urea (nitrogen source for the synthesis of proteins by bacteria), and cow-lick made of molasses and micronutrients.

 

Rest here

http://permaculturen.....ay-poland/

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groinkick
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25 Aug ’14 - 8:24 am
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crappy articleLaugh

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25 Aug ’14 - 9:41 am
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drum roll!

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