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 28.22
Milk (kg) -565.00 -0.014 7.91
Fat (kg) -28.07 -0.375 10.51
Prot (kg) -22.19 -0.441 9.79
Fertility Sub Index 6.37
Calving Interval (days) -3.97 -1.459 5.79
Survival (%) 0.52 1.117 0.58
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index 1.76
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 0.44 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 42.80

* Based on an €80/tonne carbon price