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 4.68
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -7.94 -0.375 2.97
Prot (kg) -0.86 -0.441 0.38
Fertility Sub Index 6.93
Calving Interval (days) -3.28 -1.459 4.79
Survival (%) 1.92 1.117 2.15
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.77
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.69 -0.432 0.30
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 23.69

* Based on an €80/tonne carbon price