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 -6.60
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) 7.00 -0.375 -2.62
Prot (kg) 8.95 -0.441 -3.95
Fertility Sub Index 6.22
Calving Interval (days) -3.14 -1.459 4.58
Survival (%) 1.47 1.117 1.64
Calving Sub Index 3.59
Gestation Length (days) -3.91 -0.919 3.59
Beef Sub Index 3.02
Carcass Weight (kg) -9.50 -0.528 5.01
Age of Slaughter (days) 4.61 -0.432 -1.99
Maintenance Sub Index Maint. Sub Index 6.74
Live WT (kg) -22.00 -0.307 6.74
Total Carbon Sub Index 12.99

* Based on an €80/tonne carbon price