Impact of rearing practices on modelled economic outcomes for pasture-based dairy heifer and dairy-beef production systems
DOI:
https://doi.org/10.33584/jnzg.2026.88.3917Abstract
The application of economic modelling to the effectsof high milk inputs and failure of passive transfer of immunity (FPT) in both dairy heifer and dairy-beef calf rearing systems demonstrated the greater effect of milk input on production parameters than FPT. However, high FPT had greater effects on mortality and morbidity, resulting in increased input costs and financial impacts. Increasing milk volumes reduced the overall cost of rearing dairy heifers by increasing first year milk production. Reducing the incidence of FPT had a similar positive effect on both dairy heifer and dairy-beef calf rearing enterprises, reducing total costs
by approximately 19%.
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