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 23.59
Milk (kg) -251.00 -0.014 3.51
Fat (kg) -25.13 -0.375 9.41
Prot (kg) -24.17 -0.441 10.67
Fertility Sub Index 6.23
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 1.92 1.117 2.15
Calving Sub Index -1.52
Gestation Length (days) 1.65 -0.919 -1.52
Beef Sub Index -2.54
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 6.74 -0.432 -2.91
Maintenance Sub Index Maint. Sub Index 5.61
Live WT (kg) -18.30 -0.307 5.61
Total Carbon Sub Index 31.37

* Based on an €80/tonne carbon price