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 5.73
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -6.04 -0.375 2.26
Prot (kg) -5.98 -0.441 2.64
Fertility Sub Index 3.17
Calving Interval (days) -2.03 -1.459 2.96
Survival (%) 0.19 1.117 0.21
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.45
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.13 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 9.86

* Based on an €80/tonne carbon price