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Unread 03-09-2010, 02:48 PM   #1
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Default Expired Dry Dog Food

I was told that dry kibble is still good for about 6 months after the expiry date. Is this true?

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Unread 03-09-2010, 03:09 PM   #2
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I would say it would be ok ( providing it has not been opened so air can get to it! ) but it might not be as nutritious. I know the sell by date brigrade are going to say no,no LOL But to be honest too many people take too much notice of these dates. I always look for bargins at my local supermarket. and have even seen Tv programmes on it this very subject. Just remember 40 years ago there was no such thing as sell by,best before and display till dates on anything. So I would say yes
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Unread 03-09-2010, 07:47 PM   #3
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I guess I'm one of the "sell-by date brigade" Bigboy has in mind. 40 years ago, we were using scary food preservatives, not vitamins E and C and other less persistent preservatives. 40 years ago, people couldn't care less about what they fed their dogs (or themselves) and incidence of food poisoning was significantly higher than today.

Dry dog food is "good" for about a year from the date of manufacture and packaging. The sell-by and best-if-used-by dates apply to unopened bags, only. I don't think I'd want to feed my dog 18-month old food. Would you want to eat breakfast cereal that was that old? Over time, the preservatives and anti-microbials will be overwhelmed and degradation of the food will begin, even if the bag isn't opened.

The average life of a large bag of dog food, once it has been opened, is about 35 days or maybe a little longer. As soon as it is opened, it starts to absorb moisture from the air, and oxidation begins. Mold spores find their way into the food. Preservatives begin to break down. Anti-microbials in the food gradually become overwhelmed and mold spores are able to establish a foothold. A 15-20 kg bag of food poured into a bin does not have a constant level of nutritional value. The food at the top is served while freshest, and has the most nutritional value. The food at the bottom of the bin, by the time it is served, may be significantly less nutritious due the breakdown caused by oxygen, humidity, and room temperatures.

Oxidation breaks down the fats in the food, starting with the fragile Omega fatty acids, and the fats start to go rancid. Vitamins A, B6, B12, C, the folates, and pantothenic acid break down.

The anti-microbials found in most dry dog food do not prevent the development of mold, and instead only suppress its development. Some of the spores survive all of the processing and arrive with the grain from the grain elevators and from the fields. Once mold has a foothold in the food, the molds start to create waste products including mycotoxins, which can be harmful or fatal. Contaminated grains in dog food have triggered recalls and have killed thousands of dogs over the decades. One of the naturally-occurring molds found in dog food, aspergillus flavus, produces aflatoxins. Aflatoxins are among the most potent naturally-occurring carcinogens known.

Can you feed your dog food that is 6 months past its date? Yes. I wouldn't. Your dog's food doesn't cost that much, per day, to begin with. The meager pennies I save by playing the date game with my dog's food would likely be wasted somewhere else in my life. Surely my dog's health is worth the little bit of extra effort it takes to feed food that isn't past its date.
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Unread 03-09-2010, 08:15 PM   #4
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Long post vagreys! I can only speak from say my grandmother's experience and my own we had cornbeef for months after she died and to make matters worse the tins were a bit rusty on the outside but were clean and intact on the inside and she lived to quite a good old age. I certainly wouldn't feed my dog if the pack had been opened. but if the pack is not opened then ok. I have had quite a few tins a month or so past the date and I am feeling fine and like I said I have watched Tv programmes on it where there is quite a big group of people that go through supermarket skips where bread that has been baked fresh that day and in some cases still warm and wrapped up and one family lived off food that was thrown away in lots of cases needlesy. Supermarkets have to abide by the law and throw stuff away.
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Unread 03-09-2010, 08:31 PM   #5
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I have opened a can of chicken that was a month out of date (perfectly sealed, so it seemed) only to find it was growing 'something' on the inside that was far from chicken.

Sorry--out of date, not going down my gullet nor my dogs. I have worked as a QC Microbiologist before and know all to well what can sneak in there than to gamble with my health.
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Unread 03-10-2010, 06:27 AM   #6
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I don't look at the dates , man there is always something you don't think of .

I do smell their food - I smell everything - it's one of my quirks , and I get grief for it all the time .

I use my "if it doesn't stink and doesn't have mold , I'll eat it " rule , but maybe I should start checking the dates .
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Unread 03-10-2010, 07:01 AM   #7
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I don't look at the dates , man there is always something you don't think of .

I do smell their food - I smell everything - it's one of my quirks , and I get grief for it all the time .

I use my "if it doesn't stink and doesn't have mold , I'll eat it " rule , but maybe I should start checking the dates .
Obviously with some types of food then I would say no too, but you are right the nose and the eye's are great tools. I too smell things. I mean 1 month is nothing to really worry about just be careful. I mean to make a Tv programme about it must to some degree means it's ok. I certainly don't want to paint a pic that I live out of skips because i don't!!! I just hate seeing stuff being thrown out just because of a number has exceeded a number printed on a pack. So i would still continue to do what you are doing use your eyes and nose.
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Unread 03-10-2010, 09:34 AM   #8
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The reason I asked is because the rescue I volunteer with gets donations from local pet stores. They send them the "about to expire" dry dog food and sometimes they even donate the samples they get. All the bags are unopened as well. I was just curious.

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Unread 03-10-2010, 09:50 AM   #9
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Ivy then in that case I can't see a problem. So accept the donations Iam pretty sure that pet shops that are donating them to the shelter wouldn't want bad publicity if there was any danger from these donations
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Unread 03-10-2010, 11:28 AM   #10
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Quote:
Originally Posted by Bigboy View Post
Long post vagreys! I can only speak from say my grandmother's experience and my own we had cornbeef for months after she died and to make matters worse the tins were a bit rusty on the outside but were clean and intact on the inside and she lived to quite a good old age. I certainly wouldn't feed my dog if the pack had been opened. but if the pack is not opened then ok. I have had quite a few tins a month or so past the date and I am feeling fine and like I said I have watched Tv programmes on it where there is quite a big group of people that go through supermarket skips where bread that has been baked fresh that day and in some cases still warm and wrapped up and one family lived off food that was thrown away in lots of cases needlesy. Supermarkets have to abide by the law and throw stuff away.
I have no doubt. Some tinned food can last a very long time, but tinned food and dry dog food are completely different, with very different processes and containers.
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The reason I asked is because the rescue I volunteer with gets donations from local pet stores. They send them the "about to expire" dry dog food and sometimes they even donate the samples they get. All the bags are unopened as well. I was just curious.
We get donations like that all the time. Certainly, the food doesn't suddenly go bad on a particular day, but we don't let it sit around, and if it goes more than about a month past the sell-by date, we don't use it.
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