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 4.63
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -4.41 -0.375 1.65
Prot (kg) -4.22 -0.441 1.86
Fertility Sub Index 2.05
Calving Interval (days) -1.51 -1.459 2.20
Survival (%) -0.14 1.117 -0.16
Calving Sub Index 0.45
Gestation Length (days) -0.49 -0.919 0.45
Beef Sub Index -3.38
Carcass Weight (kg) 8.40 -0.528 -4.43
Age of Slaughter (days) -2.44 -0.432 1.05
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 4.73

* Based on an €80/tonne carbon price