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Table 2 QTL detected for excretion-related traits

From: Detection of QTL controlling feed efficiency and excretion in chickens fed a wheat-based diet

Chr

Traita

Position (cM)

CIb

Flanking markers of CI

Level of significance

QTL effectd (NFe)

Chr-wide

Genome-widec

2

PHG

48.0

47.4–60.2

Gga_rs14152021

Gga_rs14158104

0.025

0.150

0.241 (4)Fg

8

FEW/FI

4.0

0–5.3

Gga_rs158923080

Gga_rs16617921

0.027

NS

0.178 (5)

11

N/P

55.0

51.0–60.0

Gga_rs14029626

Gga_rs15623939

0.047

NS

0.177 (4)

16

PHG

2.0

Gga_rs16057130

Gga_rs15788030

0.047

NS

0.186 (4)

19

PHJ

0.0f

0.0–5.5

Gga_rs16076471

GGaluGA124279

0.048

NS

0.254 (2)

DEW

9.0

0.0–18.5

Gga_rs16076471

Gga_rs15842421

0.050

NS

0.161 (3)

26

DEW

25.0

20.7–27.5

Gga_rs16201345

GGaluGA196847

0.042

NS

0.248 (2)

N/P

34.0

28.1–37.0

GGaluGA196847

Gga_rs14300646

0.010

NS

0.184 (5)

27

PHG

19.7

0.0–32.1

Gga_rs16205037

GGaluGA199670

0.045

NS

0.214 (3)

28

WC

8.0

0.0–14.1

Gga_rs14304396

Gga_rs16211067

0.030

NS

0.171 (5)

  1. aFEW, DEW: fresh and dry excreta weight between 17 and 20 days; FEW/FI, DEW/FI: fresh and dry excreta weight between 17 and 20 days relative to feed intake between 17 and 20 days; PHE: pH in the excreta; WC: water content of excreta, N/P: nitrogen to phosphorus ratio in excreta
  2. b1-LOD-drop off confidence interval (lower and upper boundaries, cM)
  3. cNS: P > 0.150 at the genome wide level
  4. dQTL effect as a proportion of the phenotypic standard deviation of trait
  5. eNumber of F1 sire families heterozygous for the QTL (P < 0.05, Student test)
  6. fQTL located at the telomere
  7. gF:QTL fixed in F1 sire families in which it is significant