Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 4.80
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -3.45 -0.375 1.29
Prot (kg) -4.45 -0.441 1.96
Fertility Sub Index 2.63
Calving Interval (days) -2.04 -1.459 2.98
Survival (%) -0.31 1.117 -0.35
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.83
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) -1.67 -0.432 0.72
Maintenance Sub Index Maint. Sub Index -0.09
Live WT (kg) 0.30 -0.307 -0.09
Total Carbon Sub Index 8.69

* Based on an €80/tonne carbon price