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 6.83
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -3.66 -0.375 1.37
Prot (kg) -7.81 -0.441 3.45
Fertility Sub Index 2.63
Calving Interval (days) -1.28 -1.459 1.87
Survival (%) 0.68 1.117 0.76
Calving Sub Index 0.19
Gestation Length (days) -0.21 -0.919 0.19
Beef Sub Index 1.21
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 2.70 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index -0.34
Live WT (kg) 1.10 -0.307 -0.34
Total Carbon Sub Index 10.53

* Based on an €80/tonne carbon price