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Feeding value of red clover-grass, Persian clover and common vetch for pigs

Partanen, Kirsi; Valaja, Jarmo and Siljander-Rasi, Hilkka (2013) Feeding value of red clover-grass, Persian clover and common vetch for pigs. In: Løes, Anne-Kristin; Askegaard, Margrethe; Langer, Vibeke; Partanen, Kirsi; Pehme, Sirli; Rasmussen, Ilse A.; Salomon, Eva; Sørensen, Peter; Ullvén, Karin and Wivstad, Maria (Eds.) Organic farming systems as a driver for change, NJF Report, no. 9 (3), pp. 69-70.

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Document available online at: http://www.njf.nu/filebank/files/20130827$203251$fil$4F15WCXLGK9vjP9XUSjP.pdf


Summary

Red clover-grass, Persian clover, and common fetch that are generally grown for green manuring in organic cropping cycles, are also valuable forages for the feeding of pigs. They could substitute up to 30% of concentrates (on dry matter basis) in the feeding of growing pigs without negative impact on nitrogen (N) retention. This indicates that protein and amino acids of these legumes are well digested and utilised by the pigs. However, inclusion of roughage to pig diets shifts N utilisation so that N excretion to faeces is increased while N excretion to urine is decreased. Persian clover, in particular, is an intriguing roughage for pigs as its protein contains more amino acids that that of red clover-grass or common vetch. In addition, the digestibility of fibre is good in Persian clover, due to lower cellulose and lignin content in the fibre fraction. In practice, the voluntary feed intake of roughages remains lower, from 5% to 20% of pigs’ dry matter intake depending on the production phase.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Agrovoc keywords:
Language
Value
URI
English
Roughage
http://aims.fao.org/aos/agrovoc/c_6670
English
Feed legumes
http://aims.fao.org/aos/agrovoc/c_2834
English
Protein content
http://aims.fao.org/aos/agrovoc/c_6251
English
Amino acids
http://aims.fao.org/aos/agrovoc/c_342
English
Growth
http://aims.fao.org/aos/agrovoc/c_3394
Subjects: Animal husbandry > Feeding and growth
Animal husbandry > Production systems > Pigs
Research affiliation: International Conferences > 2013: NJF Seminar 461 - Organic farming systems as a driver for change
ISSN:1653-2015
Deposited By: Sørensen, Peter
ID Code:24540
Deposited On:06 Nov 2013 22:02
Last Modified:06 Nov 2013 22:02
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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