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 15.94
Milk (kg) -307.00 -0.014 4.30
Fat (kg) -16.87 -0.375 6.32
Prot (kg) -12.06 -0.441 5.32
Fertility Sub Index 11.72
Calving Interval (days) -6.67 -1.459 9.73
Survival (%) 1.78 1.117 1.99
Calving Sub Index -0.34
Gestation Length (days) 0.37 -0.919 -0.34
Beef Sub Index -1.48
Carcass Weight (kg) 3.80 -0.528 -2.00
Age of Slaughter (days) -1.22 -0.432 0.53
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 26.52

* Based on an €80/tonne carbon price