Carbon Sub Index breakdown

Date of Evaluation Index Trait PTA * Carbon Cost (€) Contribution
PTA * Carbon Cost
Sep 2023 Milk Sub Index 2.14
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -1.49 -0.375 0.56
Prot (kg) -0.38 -0.441 0.17
Fertility Sub Index 6.18
Calving Interval (days) -3.68 -1.459 5.37
Survival (%) 0.73 1.117 0.82
Calving Sub Index 2.54
Gestation Length (days) -2.76 -0.919 2.54
Beef Sub Index 2.17
Carcass Weight (kg) -9.50 -0.528 5.01
Age of Slaughter (days) 6.59 -0.432 -2.84
Maintenance Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 16.16
* Based on an €80/tonne carbon price