Discussion created on 01/28/2016

Is rumen functioning modified when animals are reared under lower oxygen pressure conditions (high mountains)?

I would thank information.

Alfredo J. Escribano
Veterinary Doctor
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Norbert Trattner Norbert Trattner
Specialist in Animal Nutrition
February 5, 2016
I would rather say that that the composition of vegetation (more herbs) plus an eventuual lack of energy can alter fatty acid compsition towards 18:3n-3. Also the amount of n-6 containing small grains and maize might lead to an elevated omega-3 content.

The effect of herbs in the vegetation could alter rumen function but I think this is still quiet a black box.

In this paper researcher saw a difference (http://www.publish.csiro.au/paper/AN12109.htm) with cows fed at different altidudes but I cannot see if this is again maybe due to vegetation or lack of energy in plants eaten.
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Alfredo J. Escribano Alfredo J. Escribano
PhD in Animal Production
February 5, 2016
Dear Norbert,

Interesting comment. Thank you very much.
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Prof Irvin Mpofu Prof Irvin Mpofu
Animal Nutritionist
February 8, 2016
The rumen does not need oxygen so it is unlikely. Most likely effect is on slowed metabolism at cellular level which the animals acclimatise to over time.
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Alfredo J. Escribano Alfredo J. Escribano
PhD in Animal Production
February 10, 2016
Dear Prof. Mpofu,

My question was focused on the second topic you mentioned: changed metabolism and its effects on rumen functioning.

Thank you,

Regards,

Alferdo J. Escribano.
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