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 7.61
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -9.53 -0.375 3.57
Prot (kg) -4.85 -0.441 2.14
Fertility Sub Index 6.54
Calving Interval (days) -3.70 -1.459 5.40
Survival (%) 1.02 1.117 1.14
Calving Sub Index -0.96
Gestation Length (days) 1.04 -0.919 -0.96
Beef Sub Index -2.51
Carcass Weight (kg) 3.50 -0.528 -1.85
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 12.03

* Based on an €80/tonne carbon price