Kippen in de wei is een ecologisch duurzame neventak.
1998
Bassler, A. | Oomen, G.J.M.
To prevent problems with parasites and accumulation of manure, an experiment was performed with layers on pasture, together with cows and sheep. Calculations were made for additional feeding with cereals and the possible reduction in feed costs. The maximum number of chickens per ha on a pasture shared with cows is derived from the mineral balance for phosphate
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