TABLE 7.
Significant single-nucleotide polymorphisms (SNPs) of the genetic effects of dam and overlapping quantitative trait loci (QTLs).
| Trait | SNP | BTA | QTLa |
| CR | rs41657989 | 7 | Milking speed QTL (157466); clinical mastitis QTL (19014) |
| NRR56 | rs109533406 | 17 | Muscle potassium content QTL (152009) |
| CE | rs110115548 | 13 | Milk yield QTL (16180); milk protein yield QTL (16181); milk fat percentage QTL (16182); milk protein percentage QTL (16183) |
| rs41578821 | 16 | Body weight (slaughter) QTL (102172) | |
| SB | rs41595401 | 10 | Body weight (yearling) QTL (68167); body weight gain QTL (68168); body depth QTL (44657); dairy form QTL (44658); feet and leg conformation QTL (44659); PTA type QTL (44660); teat placement—front QTL (44661); udder attachment QTL (44662); net merit QTL (44663); teat placement—rear QTL (44664); udder height QTL (44665); rump width QTL (44666); somatic cell score QTL (44667); stature QTL (44668); strength QTL (44669); udder cleft QTL (44670); udder depth QTL (44671) |
| rs110003547 | 11 | Age at puberty QTL (21140) | |
| rs42337856 | 11 | Interval to first estrus after calving QTL (28582) | |
| rs109564594 | 26 | Calving ease (maternal) QTL (52571); dairy form QTL (52572); daughter pregnancy rate QTL (52573); milk fat percentage QTL (52574); milk fat yield QTL (52575); net merit QTL (52576); length of productive life QTL (52577); milk protein percentage QTL (52578); milk protein yield QTL (52579); rump angle QTL (52580); rear leg placement—side view QTL (52581); teat placement—rear QTL (52582); calving ease QTL (52583); teat length QTL (52584); udder cleft QTL (52585) |
CR, conception rate; NRR56, 56-day non-return rate; CE, calving ease; SB, stillbirth; GL, gestation length. aThe QTL mapping was based on the Cattle QTL Database (https://www.animalgenome.org/cgi-bin/QTLdb/BT/index), and those QTLs that include significant SNPs are shown in the table.