Over the last twenty years there have been major changes in pig production. One such change concerns the lactating sow: productivity, measured in terms of piglets weaned per year or litter weight at weaning, has increased dramatically. This development ha
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ISBN | 9789074134439 |
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Sprache | eng |
Cover | Fester Einband |
Verlag | Wageningen Academic Publ |
Jahr | 199806 |
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