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 5.22
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -2.43 -0.375 0.91
Prot (kg) -4.91 -0.441 2.17
Fertility Sub Index 4.10
Calving Interval (days) -2.55 -1.459 3.72
Survival (%) 0.34 1.117 0.38
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index -0.43
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 3.44 -0.432 -1.49
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 13.87

* Based on an €80/tonne carbon price