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 2.62
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -1.19 -0.375 0.45
Prot (kg) -1.81 -0.441 0.80
Fertility Sub Index 0.73
Calving Interval (days) -0.51 -1.459 0.74
Survival (%) -0.01 1.117 -0.01
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index -1.05
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 6.09 -0.432 -2.63
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 12.23

* Based on an €80/tonne carbon price