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 9.23
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -12.57 -0.375 4.71
Prot (kg) -6.53 -0.441 2.88
Fertility Sub Index 3.17
Calving Interval (days) -1.58 -1.459 2.31
Survival (%) 0.77 1.117 0.86
Calving Sub Index 1.76
Gestation Length (days) -1.91 -0.919 1.76
Beef Sub Index -2.86
Carcass Weight (kg) 3.70 -0.528 -1.95
Age of Slaughter (days) 2.10 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index -1.56
Live WT (kg) 5.10 -0.307 -1.56
Total Carbon Sub Index 9.73

* Based on an €80/tonne carbon price