Ráðunautafundur


Ráðunautafundur - 15.02.1987, Page 173

Ráðunautafundur - 15.02.1987, Page 173
-165- Tafla 10. Arsfóóur handa gyltu og 16 sraágrisum fram aö fráfærum (K. Breirem, M. Husby og K. Presthegge,1944). kg FE % Sildarmjöl 75-90 85-104 Bygg 200 200 '28-31 Hafrar 150-170 116-136 4 Undanrenna 580-250 70-30 5-2 Soðnar kartöflur (23% þurrefni). 2100 544 39' Fóðurrófur (11-12% þurrefni).... 1000 100 7 .58 Vothey (18% þurrefni) 1800 160 12 J Beit (84 beitardagar) 126 9 Samtals 1400 100 Tafla 10 sýnir ársfóður 200 kg gyltu, sem gýtur tvisvar á árinu og skilar 16 grisum, átta vikna gömlum, við fráfærur. Af töflu 10 sést að reiknaö er með að ársfóðrið sé alls 1400 FE. Einnig sést af töflunni að aðeins 30% af heildarfóðrinu getur verið fóðurbætir. nægt er aó nota bygg i stað hafra, ef það þykir hentugra. Ef bygg og hafrar eru ræktaðir á búinu, þarf aðeins að kaupa 75-90 kg af sildarmjöli eða 6-7% af heildarfóðrinu. Hægt er að komast af með 75 kg af sildarmjöli, ef gyltunni er gefið 3 kg af undanrennu á mjólkurskeiðinu. 1 staðinn fyrir fóðurrófur má nota soðnar kartöflur. Af fóðurmagninu sem gefiö er upp i töflu 10 eiga þessir 16 smágrisir (2 got) að fá sérstaklega 250 kg af undanrennu, 65 kg af byggi eða höfrum og ca.240 kg af soðnum kartöflum eða um 150 FE.
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