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 13.72
Milk (kg) -333.00 -0.014 4.66
Fat (kg) -12.94 -0.375 4.85
Prot (kg) -9.54 -0.441 4.21
Fertility Sub Index 5.67
Calving Interval (days) -2.84 -1.459 4.14
Survival (%) 1.37 1.117 1.53
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.78
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 0.76 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 21.58

* Based on an €80/tonne carbon price