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Acorns for fattening free-range pigs (OK-Net Ecofeed Practice Abstract)

{Tool} Acorns for fattening free-range pigs (OK-Net Ecofeed Practice Abstract). [Bellotas para el engorde de cerdos en extensivo.] Creator(s): Rodríguez-Estévez, Vicente; Díaz-Gaona, Cipriano; Sanz-Fernández, Santos; Reyes-Palomo, Carolina and Sánchez-Rodríguez, Manuel. Issuing Organisation(s): Ecovalia - Asociación Valor Ecológico, Universidad de Córdoba. OK-Net Ecofeed Practice Abstract, no. 033. (2020)

[thumbnail of Acorns for fattening free-range pigs] PDF - English (Acorns for fattening free-range pigs)
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[thumbnail of Bellotas para el engorde de cerdos en extensivo] PDF - Spanish/Español (Bellotas para el engorde de cerdos en extensivo)
627kB
[thumbnail of Des glands pour engraisser des porcs élevés en plein-air] PDF - French/Francais (Des glands pour engraisser des porcs élevés en plein-air)
374kB

Document available online at: https://orgprints/org/37476/


Summary in the original language of the document

- The fattening performance is very much influenced by the age of pigs and their compensatory growth; hence, pigs should be as old as possible (≥1 year) and adapted to grazing.
- Grass is necessary as a source of protein to compensate for the low protein levels in acorns.
- The food conversion rate is 10.5 kg of whole acorns of Q. i. rotundifolia to gain 1 kg, besides the contribution of grass; to establish the stocking rate, consider that an adult evergreen oak produces ≈11 kg of acorns/year).
- Iberian pigs peel acorns to avoid the high content of tannins in the shell. However, during peeling, approxi-mately 20% of the kernel can be wasted.


Summary translation

- El rendimiento durante el engorde está muy influenciado por la edad de los cerdos y su crecimiento compensatorio; por lo tanto, los cerdos deben tener la mayor edad posible (≥ 1 año) y estar adaptados al pastoreo.
- La hierba es necesaria como fuente de proteína, para compensar los bajos niveles de esta en las bellotas.
- El índice de conversión es de 10,5 kg de bellotas enteras de Q. i. rotundifolia para engordar 1 kg, además del aporte de hierba. Para establecer la carga ganadera, hay que considerar que una encina produce ≈11 kg de bellotas/ año.
- Los cerdos ibéricos pelan las bellotas para evitar el alto contenido de taninos de la cáscara. Sin embargo, durante el pelado, puede desperdiciarse aproximadamente el 20% de la pulpa.

EPrint Type:Practice tool
What problem does the tool address?:Montanera is a traditional feeding system where pigs forage for acorns. Iberian pigs foraging for acorns during their finishing phase has economically contributed to conserving the “dehesa”, a high nature value (HNV) farm-land based on agroforestry, currently consisting of more than four million hectares in the southwest of the Iberian Peninsula
What solution does the tool offer?:This natural resource is used to fatten pigs without any kind of compound or supplementary feed. During the last 2-3 months of fattening, pigs can gain more than 40 kg of body weight from grass and foraged acorns.
Country:Spain
Type of Practice Tool:Practice abstracts
Keywords:pigs, feeding and ration planning
Agrovoc keywords:
Language
Value
URI
English
swine
http://aims.fao.org/aos/agrovoc/c_7555
English
feeding
http://aims.fao.org/aos/agrovoc/c_2838
English
rations
http://aims.fao.org/aos/agrovoc/c_6461
Subjects: Animal husbandry > Feeding and growth
Animal husbandry > Production systems > Pigs
Research affiliation: European Union > Horizon 2020 > OK-Net EcoFeed
European Union > Horizon 2020 > OK-Net EcoFeed > OK-Net Ecofeed Tools
Spain > University of Cordoba
Spain > Other organizations Spain
European Union > Organic Farm Knowledge
Horizon Europe or H2020 Grant Agreement Number:773911
Related Links:https://orgprints/org/37476/, https://www.ecovalia.org, https://www.uco.es, https://organic-farmknowledge.org/tool/37476, https://www.facebook.com/organicfarmknowledge/photos/a.341364110046066/624069365108871, https://twitter.com/farm_knowledge/status/1235922516893487113
Project ID:ofk
Deposited By: Basler, Andreas
ID Code:37476
Deposited On:05 Mar 2020 12:58
Last Modified:02 May 2024 10:32
Document Language:English, French/Francais, Spanish/Español
Status:Published

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