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Rumen contents

IMPORTANT INFORMATION: This datasheet is pending revision and updating; its contents are currently derived from FAO's Animal Feed Resources Information System (1991-2002) and from Bo Göhl's Tropical Feeds (1976-1982).

Datasheet

Description
Click on the "Nutritional aspects" tab for recommendations for ruminants, pigs, poultry, rabbits, horses, fish and crustaceans
Common names 
Rumen contents
Feed categories 
Related feed(s) 
Description 
Contents of rumens from ruminant animals (cattle, sheep, goats, etc.) that are being slaughtered. When ruminant animals are slaughtered the contents of their rumen can become a viable feed resource. It should be dried immediately. It can also be ensiled, but it needs to be mixed with a readily fermentable source of carbohydrates in ordered to be ensiled properly. The rumen contents from different types of animals (goats, cattle, sheep, etc.) will vary dramatically in their composition.
Nutritional aspects
Nutritional attributes 
The rumen contents from different types of animals (goats, cattle, sheep, etc.) will vary dramatically in their composition.(CAB 951402913)(Ghosh, 1993). Rumen contents from goats tended to have the highest DM and CP content. Rumen contents were found to be a good source of water soluble vitamins and protein (CAB 941405448)(Ristic, 1993).
Potential constraints 
Rumen content like other animal by-products should be adequately heated in order to assure that disease agents are not spread.
Ruminants 
Dry matter intake, final carcass weight, carcass dressing % where no decreased when up to 50 % of dietary dry matter was fed to lambs as dried rumen contents, but gain was lower (4)(CAB 19991414725)(Abouheif, 1999).
Pigs 
Feeding 4 % of dietary dry matter as dried rumen contents was not found to depress performance in swine (3)(CAB N182999)(Chrappa, 1988).
Poultry 
Performance of broilers was not found to be depressed when 10 to 15 % dried rumen contents were fed (13)(CAB N415446)(Roa, 1990). Dried rumen contents replaced 25, 50, 75, and 100 % of the wheat bran in broiler diets and no depression in performance was observed (8)(CAB 941412207)(Sadhukhan, 1993). Including dried rumen contents up to 9 % in the diets of layers had no effect on yolk color (1)(AGRIS 94-079818)(Riswantiyah, 1988). Increased digestible DM, digestible CP, digestible CF and egg yield was observed when layers were fed the dried rumen contents from goats (6)(CAB N268494)(Singh, 1988).
Performance of quail fed dried rumen contents was depressed as the level increased in the diet (9)(CAB 981407944)(Das, 1997).
Rabbits 
When dried rumen contents replaced 25 % of the hay in a rabbit diet growth was increased (5)(CAB N279321)(Abd-El-Rahman, 1989). Rumen contents by itself was not found to ensile well, so additional fermentable carbohydrates need to be added (11)(CAB 962215169)(McCaskey, 1996).
Nutritional tables
Tables of chemical composition and nutritional value 

Avg: average or predicted value; SD: standard deviation; Min: minimum value; Max: maximum value; Nb: number of values (samples) used

IMPORTANT INFORMATION: This datasheet is pending revision and updating; its contents are currently derived from FAO's Animal Feed Resources Information System (1991-2002) and from Bo Göhl's Tropical Feeds (1976-1982).

Main analysis Unit Avg SD Min Max Nb
Dry matter % as fed 13.2 1
Crude protein % DM 16.3 1
Crude fibre % DM 30.3 1
Ether extract % DM 2.6 1
Ash % DM 12.4 1
Gross energy MJ/kg DM 17.8 *
 
Pig nutritive values Unit Avg SD Min Max Nb
Energy digestibility, growing pig % 42.5 *
DE growing pig MJ/kg DM 7.6 *

The asterisk * indicates that the average value was obtained by an equation.

References

Göhl, 1982

Last updated on 24/10/2012 00:44:56

Main analysis Unit Avg SD Min Max Nb
Dry matter % as fed 12.0 1
Crude protein % DM 16.2 1
Crude fibre % DM 25.4 1
Ether extract % DM 2.3 1
Ash % DM 13.5 1
Gross energy MJ/kg DM 17.3 *
 
Minerals Unit Avg SD Min Max Nb
Calcium g/kg DM 2.1 1
Phosphorus g/kg DM 6.2 1
 
Pig nutritive values Unit Avg SD Min Max Nb
Energy digestibility, growing pig % 50.2 *
DE growing pig MJ/kg DM 8.7 *

The asterisk * indicates that the average value was obtained by an equation.

References

Obradovic, 1969

Last updated on 24/10/2012 00:44:56

Main analysis Unit Avg SD Min Max Nb
Dry matter % as fed 91.3 1
Crude protein % DM 20.8 19.7 21.8 2
Crude fibre % DM 21.2 12.1 30.3 2
Ether extract % DM 14.6 6.1 23.1 2
Ash % DM 11.2 10.8 11.5 2
Gross energy MJ/kg DM 20.5 *
 
Amino acids Unit Avg SD Min Max Nb
Alanine % protein 4.4 1
Arginine % protein 3.5 1
Aspartic acid % protein 11.4 1
Cystine % protein 0.6 1
Glutamic acid % protein 8.1 1
Glycine % protein 3.9 1
Histidine % protein 2.1 1
Isoleucine % protein 3.2 1
Leucine % protein 6.6 1
Lysine % protein 6.5 1
Methionine % protein 1.0 1
Phenylalanine % protein 3.3 1
Proline % protein 3.4 1
Serine % protein 3.3 1
Threonine % protein 4.2 1
Tryptophan % protein 1.5 1
Tyrosine % protein 2.6 1
Valine % protein 4.0 1
 
Pig nutritive values Unit Avg SD Min Max Nb
Energy digestibility, growing pig % 56.8 *
DE growing pig MJ/kg DM 11.7 *

The asterisk * indicates that the average value was obtained by an equation.

References

Göhl, 1982; Jovanovic et al., 1977

Last updated on 24/10/2012 00:44:56

Main analysis Unit Avg SD Min Max Nb
Dry matter % as fed 15.2 1
Crude protein % DM 28.8 1
Crude fibre % DM 25.5 1
Ether extract % DM 4.6 1
Ash % DM 12.3 1
Gross energy MJ/kg DM 18.8 *
 
Minerals Unit Avg SD Min Max Nb
Calcium g/kg DM 10.0 1
Phosphorus g/kg DM 5.6 1
 
Pig nutritive values Unit Avg SD Min Max Nb
Energy digestibility, growing pig % 50.1 *
DE growing pig MJ/kg DM 9.4 *

The asterisk * indicates that the average value was obtained by an equation.

References

Obradovic, 1969

Last updated on 24/10/2012 00:44:56

References
References 
Obradovic, M., 1969. Unpublished data. FAO, Cyprus
Rao, N. M. ; Fontenot, J. P., 1987. Ensiling of rumen contents and blood with wheat straw. Anim. Feed Sci. Technol., 18 (1): 67-73 web icon
2 references found
Datasheet citation 

DATASHEET UNDER CONSTRUCTION. DO NOT QUOTE. https://www.feedipedia.org/node/218 Last updated on March 16, 2010, 17:13

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