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 6.93
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -5.09 -0.375 1.91
Prot (kg) -6.74 -0.441 2.97
Fertility Sub Index 7.39
Calving Interval (days) -4.73 -1.459 6.90
Survival (%) 0.44 1.117 0.49
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 0.91
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.33 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 19.75

* Based on an €80/tonne carbon price