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 3.44
Milk (kg) -145.00 -0.014 2.03
Fat (kg) 0.93 -0.375 -0.35
Prot (kg) -3.98 -0.441 1.76
Fertility Sub Index 4.57
Calving Interval (days) -3.41 -1.459 4.98
Survival (%) -0.36 1.117 -0.40
Calving Sub Index -2.89
Gestation Length (days) 3.14 -0.919 -2.89
Beef Sub Index -3.08
Carcass Weight (kg) 6.70 -0.528 -3.53
Age of Slaughter (days) -1.06 -0.432 0.46
Maintenance Sub Index Maint. Sub Index -2.94
Live WT (kg) 9.60 -0.307 -2.94
Total Carbon Sub Index -0.90

* Based on an €80/tonne carbon price