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 12.65
Milk (kg) -509.00 -0.014 7.13
Fat (kg) -1.87 -0.375 0.70
Prot (kg) -10.92 -0.441 4.82
Fertility Sub Index 5.98
Calving Interval (days) -2.61 -1.459 3.81
Survival (%) 1.94 1.117 2.17
Calving Sub Index 0.28
Gestation Length (days) -0.31 -0.919 0.28
Beef Sub Index 2.78
Carcass Weight (kg) -12.80 -0.528 6.75
Age of Slaughter (days) 9.20 -0.432 -3.97
Maintenance Sub Index Maint. Sub Index 12.72
Live WT (kg) -41.50 -0.307 12.72
Total Carbon Sub Index 34.41

* Based on an €80/tonne carbon price