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 3.97
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -2.28 -0.375 0.85
Prot (kg) -2.46 -0.441 1.09
Fertility Sub Index -0.35
Calving Interval (days) 1.02 -1.459 -1.49
Survival (%) 1.02 1.117 1.14
Calving Sub Index -1.39
Gestation Length (days) 1.51 -0.919 -1.39
Beef Sub Index 0.70
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 2.53 -0.432 -1.09
Maintenance Sub Index Maint. Sub Index 4.90
Live WT (kg) -16.00 -0.307 4.90
Total Carbon Sub Index 7.84

* Based on an €80/tonne carbon price