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Q: equine nutrition ( Answered 5 out of 5 stars,   2 Comments )
Subject: equine nutrition
Category: Science > Agriculture and Farming
Asked by: haygirl-ga
List Price: $10.00
Posted: 04 Jan 2005 20:54 PST
Expires: 03 Feb 2005 20:54 PST
Question ID: 452109
I need an average forage analysis for bermuda grass hay.  Analysis
should include Crude and Digestible protein, Acid Detergent Fiber,
Neutral Detergent Fiber, Crude Fiber, and some energy value such as
Relative Feed Value and/or Net Energy.  Mineral content would also be
appreciated- Ca, P, Mg, and K.
Thank you!
Subject: Re: equine nutrition
Answered By: hummer-ga on 05 Jan 2005 12:27 PST
Rated:5 out of 5 stars
Hi haygirl,

As you know, there are so many variables that can affect the quality
of hay (weather, timing, weeds, soil, etc) that it's difficult to find
figures for an average bale. However, The Merck Veterinary Manual does
provide a table of the estimated nutrient content of some hays.

1) Go to:

2) In the search field type:
bermuda grass horses

3) Click the link for:
Table: Estimated Nutrient Content of Some FeedsDry-matter basis; DE,
digestible energy; ME, ...

4) Table 11 will pop up:

TABLE 11: Estimated Nutrient Content of Some Feed: BERMUDA GRASS HAY:

DE (Mcal/kg)        2.21   [Digestable Energy]

ME (Mcal/Kg)        1.78   [metabolizable energy]

NEm (Mcal/Kg)       0.97   [net energy for maintenance]

NEg (Mcal/kg)       0.42   [net energy for gain]

NEl (Mcal/Kg)       1.11   [net energy for lactation]

TDN (%)            50      [total digestible nutrients]

Crude Protein (%)  12

Crude Fiber (%)    33

NDF (%)            76      [neutral detergent fiber]

ADF (%)            38      [acid detergent fiber]

Ca (%)              0.32

P (%)               0.2

Vitamin A (IU/Kg)  --

Dry Matter (%)     93


Additional Links:

Still at the Merck website

Search for: 
Nutrient Requirements of Horses

Click  link: 
Table: Daily Nutrient Requirements of Mature Horses and PoniesAdapted,
with permission, from ...

Hay Quality and Horse Nutrition: Evaluating Your Horse's Nutritional Needs:

Changes in Nutritive Value of Bermudagrass Hay during Storage:

I hope this is what you were hoping for. If you have any questions,
please post a clarification request *before* closing/rating my answer
and I'll be happy to reply.

Thank you,

Search Strategy:
I searched the Merck website after trying all kinds of search terms in
Google without having much luck.
haygirl-ga rated this answer:5 out of 5 stars
Thanks for the info.  I should have thought of the Merck Vet Manual! 
Thanks for the additional links as well.

Subject: Re: equine nutrition
From: hummer-ga on 06 Jan 2005 17:42 PST
You're welcome, haygirl - thank you for you thank you. I'm glad to
hear that the chart I found it the spot. Actually, I can't take the
credit for finding it. My Bob (who has an interest in such things) was
the one who pointed it out to me. He also suggested a book, "Feeds and
Feeding" by Frank Morrison. A good book to have on your shelf.


Take care, and welcome to GA,
Subject: Re: equine nutrition
From: hummer-ga on 06 Jan 2005 17:44 PST
Phew, two typos. I'll try again.

You're welcome, haygirl - thank you for youR thank you. I'm glad to
hear that the chart I found Hit the spot.


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