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We determined a significant, negative correlation between final fattened weight and the uniform price of net mass. 54-55.6% of sales mass determines the uniform price of purchased body mass. Despite this the examination of each fattening group showed that fattening to high weights is justified; in accordance with the principles stated in geissler and neumann (1971), bulls with relatively higher mass, set up for fattening and then sold in lower mass, do not achieve the same results as their weightier counterparts. Due to the extra costs of the protracted fattening period, however, sales above 650 kg of live weight are not recommended. A rethink of practise to date (bulls representing a wide range of mass options being sold at low weights) and the conducting of optimisation calculations are recommended for the improvement of results achieved by bulls sold early on. This however, is beyond the scope of this current study.
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