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 15.76
Milk (kg) -338.00 -0.014 4.73
Fat (kg) -14.63 -0.375 5.48
Prot (kg) -12.58 -0.441 5.55
Fertility Sub Index 5.87
Calving Interval (days) -3.35 -1.459 4.89
Survival (%) 0.88 1.117 0.98
Calving Sub Index -1.20
Gestation Length (days) 1.31 -0.919 -1.20
Beef Sub Index -3.72
Carcass Weight (kg) 3.80 -0.528 -2.00
Age of Slaughter (days) 3.97 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 19.75

* Based on an €80/tonne carbon price