Awgichew, Kassahun: Comparative performance evaluation of Horro and Menz sheep of Ethiopia under grazing and intensive feeding conditions

132

Appendix A. APPENDICES

A.1 Appendix 9.1: ANOVA table for birth weight and preweaning growth performance of Horro and Menz lambs.

A9.1.1. Birth weight

Source of variation

df

Mean Square

Pr > F

Breed

1

8.0531

0.0001

Sex

1

4.8324

0.0001

Birth type

1

41.3768

0.0001

Dam parity

1

14.0915

0.0001

Birth season

2

0.8418

0.0072

Sire (breed)

36

0.2760

0.0113

Breed x Birth season

2

0.1968

0.3137

Error

811

0.1695

 

R² 0.41

C.V. 17.1

A9.1.2. Live body weight at 30 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

8.5077

0.0105

Sex

1

19.3586

0.0001

Birth type

1

299.7622

0.0001

Dam parity

1

151.2315

0.0001

Birth season

2

38.28518

0.0001

Sire (breed)

36

1.2623

0.5112

Breed x Birth season

2

3.6079

0.0620

Error

753

1.2929

 

R² 0.39

C.V. 21.0


133

A9.1.3. Live body weight at 60 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

0.3212

0.7276

Sex

1

26.5034

0.0016

Birth type

1

540.2941

0.0001

Dam parity

1

137.7056

0.0001

Birth season

2

32.3943

0.0001

Sire (breed)

36

3.0540

0.2482

Breed x Birth season

2

11.0684

0.0156

Error

707

2.6448

 

R² 0.32

C.V. 21.5

A9.1.4. Live body weight at 90 days of age (Weaning)

Source of variation

df

Mean Square

Pr > F

Breed

1

2.9572

0.3590

Sex

1

17.7254

0.0249

Birth type

1

621.8301

0.0001

Dam parity

1

206.5815

0.0001

Birth season

2

38.8815

0.0001

Sire (breed)

36

3.9533

0.2834

Breed x Birth season

2

19.8096

0.0037

Error

664

3.5092

 

R² 0.36

C.V. 21.0


134

A9.1.5 Live body weight at 120 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

0.1032

0.8704

Sex

1

27.5045

0.0079

Birth Type

1

455.6173

0.0001

Dam Parity

1

160.8132

0.0001

Birth season

2

67.5045

0.0001

Sire (Breed)

36

3.6717

0.5585

Breed x Birth season

2

25.9825

0.0013

Error

625

3.8741

 

R² 0.30

C.V. 20.4

A9.1.6 Live body weight at 180 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

12.1724

0.1178

Sex

1

70.1576

0.0002

Birth type

1

369.8123

0.0001

Dam parity

1

161.4070

0.0001

Birth season

2

30.6119

0.0022

Sire (breed)

36

5.3828

0.3404

Breed x Birth season

2

20.3445

0.0170

Error

572

3.8741

 

R² 0.29

C.V. 18.8


135

A.2 Appendix 9.2: ANOVA table for preweaning and postweaning average daily weight gain (ADG) of Horro and Menz lambs to 180 days of age.

A9.2.1. Average daily weight gain between birth and 30 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

158.6076

0.6987

Sex

1

5037.3584

0.0294

Birth type

1

172754.5049

0.0001

Dam parity

1

53356.6974

0.0001

Birth season

2

9470.5966

0.0001

Sire (breed)

36

966.2831

0.6192

Breed x Birth season

2

4805.1000

0.0110

Error

753

1058.1478

 

R² 0.26

C.V. 32.7

A9.2.2. Average daily weight gain between birth and 90 days of age (Weaning)

Source of variation

df

Mean Square

Pr > F

Breed

1

148.0944

0.5596

Sex

1

922.3679

0.1457

Birth type

1

54863.2253

0.0001

Dam parity

1

17650.4285

0.0001

Birth season

2

10491.3136

0.0001

Sire (breed)

36

538.4989

0.1625

Breed x Birth season

2

2263.2560

0.0057

Error

663

434.7242

 

R² 0.35

C.V. 26.8


136

A9.2.3. Average daily weight gain between 90 and 180 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

0.0780

0.9841

Sex

1

1517.0873

0.0055

Birth type

1

145.7859

0.3883

Dam parity

1

46.2001

0.6272

Birth season

2

5927.0253

0.0001

Sire (breed)

36

251.4850

0.1266

Breed x Birth season

2

249.7787

0.2797

Error

572

195.6058

 

R² 0.26

C.V. 57.4

A.3 Appendix 9.3: ANOVA table for growth performance of male Horro and Menz lambs from birth to one year of age.

A9.3.1. Birth weight

Source of Variation

df

Mean Square

Pr > F

Breed

1

4.5553

0.0001

Birth Type

1

20.3848

0.0001

Dam Parity

1

6.1089

0.0001

Birth season

2

0.2352

0.2743

Sire (Breed)

36

0.2750

0.0316

Breed x Birth Season

2

0.1235

0.5065

Error

385

0.1812

 

R² 0.44

C.V. 17.0


137

A9.3.2. Live body weight at 30 days of age

Source of Variation

df

Mean Square

Pr > F

Breed

1

3.4115

0.1251

Birth Type

1

161.5607

0.0001

Dam Parity

1

72.0465

0.0001

Birth season

2

14.6139

0.0001

Sire (Breed)

36

1.7902

0.1681

Breed x Birth Season

2

5.1874

0.0285

Error

364

1.4438

 

R² 0.39

C.V. 21.4

A9.3.3. Live body weight at 60 days of age

Source of Variation

df

Mean Square

Pr > F

Breed

1

0.0208

0.9335

Birth Type

1

294.1015

0.0001

Dam Parity

1

67.9793

0.0001

Birth season

2

18.5871

0.0022

Sire (Breed)

36

2.9026

0.5174

Breed x Birth Season

2

9.9773

0.0365

Error

342

2.9838

 

R² 0.34

C.V. 22.3

A9.3.4. Live body weight at 90 days of age (Weaning)

Source of Variation

df

Mean Square

Pr > F

Breed

1

0.2597

0.7957

Birth Type

1

350.7780

0.0001

Dam Parity

1

102.3814

0.0001

Birth season

2

30.1316

0.0005

Sire (Breed)

36

4.0868

0.3854

Breed x Birth Season

2

11.2556

0.0558

Error

321

3.8655

 

R² 0.39

C.V. 21.6


138

A9.3.5. Live body weight at 120 days of age

Source of Variation

df

Mean Square

Pr > F

Breed

1

0.4029

0.7663

Birth Type

1

235.0801

0.0001

Dam Parity

1

80.6798

0.0001

Birth season

2

43.8822

0.0001

Sire (Breed)

36

4.7426

0.4090

Breed x Birth Season

2

13.3106

0.0553

Error

299

4.5524

 

R² 0.32

C.V. 21.7

A9.3.6. Live body weight at 150 days of age

Source of Variation

df

Mean Square

Pr > F

Breed

1

0.0102

0.9632

Birth Type

1

220.7165

0.0001

Dam Parity

1

67.6152

0.0002

Birth season

2

36.0774

0.0006

Sire (Breed)

36

4.7399

0.4773

Breed x Birth Season

2

13.2543

0.0631

Error

282

4.7509

 

R² 0.34

C.V. 19.8

A9.3.7. Live body weight at 180 days of age

Source of Variation

df

Mean Square

Pr > F

Breed

1

0.7555

0.7105

Birth Type

1

233.3257

0.0001

Dam Parity

1

76.8391

0.0002

Birth season

2

25.3568

0.0105

Sire (Breed)

36

4.9531

0.6253

Breed x Birth Season

2

14.9274

0.0671

Error

267

5.4704

 

R² 0.32

C.V. 19.2


139

A9.3.8 Live body weight at 210 days of age

Source of Variation

df

Mean Square

Pr > F

Breed

1

0.3692

0.8031

Birth Type

1

227.5167

0.0001

Dam Parity

1

82.5494

0.0002

Birth season

2

213.1137

0.0001

Sire (Breed)

36

5.3931

0.6173

Breed x Birth Season

2

11.0448

0.1571

Error

249

5.9241

 

R² 0.47

C.V. 18.3

A9.3.9. Live body weight at 240 days of age

Source of Variation

df

Mean Square

Pr > F

Breed

1

0.1977

0.8673

Birth Type

1

212.6541

0.0001

Dam Parity

1

78.0570

0.0010

Birth season

2

592.8021

0.0001

Sire (Breed)

36

9.6783

0.0916

Breed x Birth Season

2

20.5350

0.0567

Error

226

7.0662

 

R² 0.64

C.V. 17.4

A9.3.10. Live body weight at 270 days of age

Source of Variation

df

Mean Square

Pr > F

Breed

1

1.0334

0.6849

Birth Type

1

212.4970

0.0001

Dam Parity

1

68.6771

0.0011

Birth season

2

766.7904

0.0001

Sire (Breed)

36

7.2730

0.2571

Breed x Birth Season

2

10.9517

0.1764

Error

215

6.2606

 

R² 0.71

C.V. 15.4


140

A9.3.11. Live body weight at 300 days of age

Source of Variation

df

Mean Square

Pr > F

Breed

1

0.3390

0.8372

Birth Type

1

180.0984

0.0001

Dam Parity

1

34.3991

0.0396

Birth season

2

745.3745

0.0001

Sire (Breed)

36

6.6401

0.7411

Breed x Birth Season

2

19.9034

0.0860

Error

201

8.0133

 

R² 0.65

C.V. 16.3

A9.3.12. Live body weight at 330 days of age

Source of Variation

df

Mean Square

Pr > F

Breed

1

51.8183

0.0186

Birth Type

1

253.0775

0.0001

Dam Parity

1

97.3402

0.0013

Birth season

2

767.8796

0.0001

Sire (Breed)

36

8.4261

0.6063

Breed x Birth Season

2

5.8455

0.5305

Error

191

9.1908

 

R² 0.66

C.V. 15.2

A9.3.13. Live body weight at 365 days of age

Source of Variation

df

Mean Square

Pr > F

Breed

1

44.1712

0.0388

Birth Type

1

186.3871

0.0001

Dam Parity

1

83.8077

0.0046

Birth season

2

900.8149

0.0001

Sire (Breed)

36

9.6729

0.5548

Breed x Birth Season

2

14.1748

0.2514

Error

178

10.1877

 

R² 0.66

C.V. 15.3


141

A.4 Appendix 9.4: ANOVA table for preweaning and postweaning average daily weight gain (ADG) of male Horro and Menz lambs to one year of age.

A9.4.1. Average daily weight gain between birth and 30 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

304.9490

0.6057

Birth type

1

92614.1440

0.0001

Dam parity

1

24529.9678

0.0001

Birth season

2

9333.1597

0.0003

Sire (breed)

36

1409.1668

0.1734

Breed x Birth season

2

7185.8765

0.0021

Error

364

1142.1511

 

R² 0.31

C.V. 33.0

A9.4.2. Average daily weight gain between birth and 90 days of age (Weaning)

Source of variation

df

Mean Square

Pr > F

Breed

1

503.6516

0.3023

Birth type

1

29680.4870

0.0001

Dam parity

1

9564.9709

0.0001

Birth season

2

5181.8320

0.0001

Sire (breed)

36

527.7459

0.3010

Breed x Birth season

2

1145.5576

0.0899

Error

320

471.9098

 

R² 0.37

C.V. 27.5


142

A9.4.3. Average daily weight gain between 90 and 180 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

8.5906

0.8356

Birth type

1

62.2241

0.5766

Dam parity

1

205.0141

0.3112

Birth season

2

4280.8940

0.0001

Sire (breed)

36

155.3700

0.8101

Breed x Birth season

2

36.1431

0.8341

Error

267

199.1464

 

R² 0.32

C.V. 54.0

A9.4.4. Average daily weight gain between 180 and 270 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

0.2327

0.9734

Birth type

1

379.6498

0.1794

Dam parity

1

0.6829

0.9545

Birth season

2

57656.7586

0.0001

Sire (breed)

36

198.9508

0.5522

Breed x Birth season

2

136.0527

0.5229

Error

215

209.1997

 

R² 0.81

C.V. 36.3

A9.4.5. Average daily weight gain between 270 and 365 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

1135.2220

0.0373

Birth type

1

52.0994

0.6536

Dam parity

1

0.0011

0.9983

Birth season

2

2062.0803

0.0005

Sire (breed)

36

304.7553

0.2411

Breed x Birth season

2

567.5686

0.1136

Error

178

257.7562

 

R² 0.29

C.V. 31.4


143

A9.4.6. Average daily weight gain between birth and 365 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

217.8905

0.0844

Birth type

1

774.2239

0.0013

Dam parity

1

333.2472

0.0332

Birth season

2

5906.1776

0.0001

Sire (breed)

36

66.2086

0.6064

Breed x Birth season

2

75.3893

0.3548

Error

178

72.3387

 

R² 0.63

C.V. 16.8

A.5 Appendix 9.5: ANOVA table for body weight and linear body measurements of male Horro and Menz lambs at 180 days of age.

A9.5.1 Heart girth at 180 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

59.5706

0.0309

Birth type

1

282.3305

0.0001

Dam parity

1

193.5450

0.0001

Birth season

2

104.6546

0.0003

Breed x Birth season

2

16.6919

0.2680

Error

188

12.5890

 

R² 0.25

C.V. 6.7


144

A9.5.2 Wither height at 180 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

138.7744

0.0008

Birth type

1

329.8785

0.0001

Dam parity

1

157.8079

0.0004

Birth season

2

62.4452

0.0063

Breed x Birth season

2

26.5648

0.1117

Error

188

11.9797

 

R² 0.25

C.V. 6.6

A9.5.3 Body length at 180 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

82.9263

0.0161

Birth type

1

205.6108

0.0002

Dam parity

1

163.8524

0.0008

Birth season

2

89.2473

0.0021

Breed x Birth season

2

22.6092

0.2029

Error

188

14.0534

 

R² 0.20

C.V. 7.4

A9.5.4 Tail length at 180 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

3732.3316

0.0001

Birth type

1

30.6499

0.0846

Dam parity

1

84.0260

0.0046

Birth season

2

47.1740

0.0109

Breed x Birth season

2

38.0121

0.0258

Error

188

10.1941

 

R² 0.73

C.V. 15.3


145

A9.5.5 Tail width at 180 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

25.2933

0.0004

Birth type

1

37.0007

0.0001

Dam parity

1

19.6518

0.0016

Birth season

2

19.1743

0.0001

Breed x Birth season

2

9.3345

0.0089

Error

188

1.9261

 

R² 0.38

C.V. 16.5

A9.5.6 Tail circumference at 180 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

17.1735

0.0141

Birth type

1

28.4703

0.0017

Dam parity

1

6.9938

0.1156

Birth season

2

23.0979

0.0004

Breed x Birth season

2

6.5472

0.0992

Error

188

2.7982

 

R² 0.26

C.V. 16.8

A.6 Appendix 9.6: ANOVA table for body weight and linear body measurements of male Horro and Menz lambs at 270 days of age.

A9.6.1 Heart girth at 270 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

30.8582

0.1258

Birth type

1

368.1027

0.0001

Dam parity

1

207.8647

0.0001

Birth season

2

1277.3913

0.0001

Breed x Birth season

2

1.9898

0.8589

Error

249

13.0779

 

R² 0.53

C.V. 6.2

A9.6.2 Wither height at 270 days of age


146

Source of variation

df

Mean Square

Pr > F

Breed

1

717.7897

0.0001

Birth type

1

301.2173

0.0001

Dam parity

1

185.9625

0.0001

Birth season

2

704.2383

0.0001

Breed x Birth season

2

44.3206

0.0182

Error

249

10.8916

 

R² 0.53

C.V. 5.8

A9.6.3 Body length at 270 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

184.9449

0.0030

Birth type

1

211.8579

0.0015

Dam parity

1

117.4482

0.0175

Birth season

2

849.7901

0.0001

Breed x Birth season

2

9.8421

0.6198

Error

249

20.5360

 

R² 0.33

C.V. 8.2

A9.6.4 Tail length at 270 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

8332.8297

0.0001

Birth type

1

3.5336

0.6280

Dam parity

1

46.4851

0797

Birth season

2

395.8410

0.0001

Breed x Birth season

2

49.2783

0.0392

Error

249

15.0129

 

R² 0.73

C.V. 16.3


147

A9.6.5 Tail width at 270 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

3.4842

0.3345

Birth type

1

12.2492

0710

Dam parity

1

26.1793

0.0086

Birth season

2

390.1187

0.0001

Breed x Birth season

2

5.7573

0.2154

Error

249

3.7267

 

R² 0.54

C.V. 17.8

A9.6.6 Tail circumference at 270 days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

59.3280

0.0008

Birth type

1

59.9368

0.0008

Dam parity

1

20.3200

0.0484

Birth season

2

559.3630

0.0001

Breed x Birth season

2

0.6301

0.8852

Error

249

5.1653

 

R² 0.53

C.V. 17.3

A.7 Appendix 9.7: ANOVA tables for body weight and linear body measurements of male Horro and Menz lambs at 365 days of age.

A9.7.1 Heart girth at 365days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

26.3409

0.1569

Birth type

1

2293.6089

0.0001

Dam parity

1

225.0636

0.0001

Birth season

2

781.9826

0.0001

Breed x Birth season

2

12.9145

0.3735

Error

213

13.0516

 

R² 0.44

C.V. 5.8

A9.7.2 Wither height at 365days of age


148

Source of variation

df

Mean Square

Pr > F

Breed

1

471.2646

0.0001

Birth type

1

199.0512

0.0001

Dam parity

1

105.4331

0.0021

Birth season

2

434.2610

0.0001

Breed x Birth season

2

3.2144

0.7444

Error

213

10.8746

 

R² 0.44

C.V. 5.4

A9.7.3 Body length at 365days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

374.9267

0.0001

Birth type

1

243.1353

0.0010

Dam parity

1

67.4881

0.0812

Birth season

2

1068.9806

0.0001

Breed x Birth season

2

20.5839

0.3936

Error

213

21.9806

 

R² 0.40

C.V. 7.9

A9.7.4 Tail length at 365days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

8567.3495

0.0001

Birth type

1

3.2075

0.6821

Dam parity

1

29.4522

0.2152

Birth season

2

346.7619

0.0001

Breed x Birth season

2

109.4727

0.0037

Error

213

19.0613

 

R² 0.71

C.V. 16.7


149

A9.7.5 Tail width at 365days of age

Source of Variation

df

Mean Square

Pr > F

Breed

1

1.2211

0.6081

Birth type

1

29.1503

0.0128

Dam parity

1

4.7730

0.3111

Birth season

2

183.4849

0.0001

Breed x Birth season

2

11.7132

0.0820

Error

213

4.6297

 

R² 0.32

C.V. 16.9

A9.7.6 Tail circumference at 365days of age

Source of variation

df

Mean Square

Pr > F

Breed

1

2.5907

0.4866

Birth type

1

29.1559

0.0203

Dam parity

1

6.5426

0.2693

Birth season

2

191.8948

0.0001

Breed x Birth season

2

6.2218

0.3135

Error

213

5.3341

 

R² 0.28

C.V. 15.1

A.8 Appendix 9.8: Maximum-Likelihood analysis of variance table for survival rates at various ages

A9.8.1. ANOVA table for survival at 15 days of age

Sources of variation

df

Chi-Square

Probability

Intercept

1

210.73

0.000

Breed

1

3.64

0.0564

Sex

1

1.46

0.2270

Birth type

1

15.21

0.0001

Dam parity

1

10.03

0.0015

Birth season

2

10.05

0.0066

Likelihood ratio

39

37.61

0.5331


150

A9.8.2. ANOVA table for survival at 30 days of age

Sources of Variation

df

Chi-Square

Probability

Intercept

1

233.13

0.000

Breed

1

5.72

0.0167

Sex

1

2.64

0.1043

Birth type

1

15.67

0.0001

Dam parity

1

9.36

0.0022

Birth season

2

9.29

0.0096

Likelihood ratio

39

35.74

0.6195

A9.8.3. ANOVA table for survival at 90 days of age

Sources of variation

df

Chi-Square

Probability

Intercept

1

165.09

0.000

Breed

1

20.37

0.000

Sex

1

1.29

0.2565

Birth type

1

36.43

0.000

Dam parity

1

23.67

0.000

Birth season

2

82.60

0.000

Likelihood ratio

39

34.16

0.6900

A9.8.4. ANOVA table for survival at 180 days of age

Sources of variation

df

Chi-Square

Probability

Intercept

1

52.22

0.000

Breed

1

59.07

0.000

Sex

1

0.67

0.4113

Birth type

1

54.28

0.000

Dam parity

1

19.04

0.000

Birth season

2

59.35

0.000

Likelihood Ratio

39

32.02

0.7784


151

A9.8.5. ANOVA table for survival at 270 days of age

Sources of variation

df

Chi-Square

Probability

Intercept

1

6.26

0.0123

Breed

1

65.19

0.000

Sex

1

11.61

0.0007

Birth type

1

60.81

0.000

Dam parity

1

18.01

0.000

Birth season

2

31.03

0.000

Likelihood ratio

39

52.34

0.0750

A9.8.6. ANOVA table for survival at 365 days of age

Sources of variation

df

Chi-Square

Probability

Intercept

1

0.01

0.9359

Breed

1

42.81

0.000

Sex

1

22.88

0.000

Birth type

1

41.33

0.000

Dam parity

1

12.50

0.0004

Birth season

2

34.45

0.000

Likelihood ratio

39

41.88

0.3470

A.9 Appendix 9.9: ANOVA tables for fattening and carcass performance of male Horro and Menz lambs at 365 days of age.

A9.9.1. Initial body weight at the start of fattening experiment

Source of variation

Df

Mean Square

Pr > F

Breed

1

44.3475

0.0590

Sire (breed)

16

13.5547

0.3424

Error

39

11.7169

 

R² 0.36

C.V. 12.5


152

A9.9.2. Final body weight at the end of fattening experiment

Source of variation

Df

Mean Square

Pr > F

Breed

1

55.7376

0.0166

Sire (breed)

16

16.3696

0.0603

Error

39

8.8891

 

R² 0.49

C.V. 9.0

A9.9.3. Overall average daily weight gain (ADG) during the fattening experiment

Source of variation

df

Mean Square

Pr > F

Breed

1

42.9543

0.6805

Sire (breed)

16

540.8679

0.0248

Error

39

249.6261

 

R² 0.47

C.V. 34.3

A9.9.4. Slaughter (fasted) weight taken shortly before slaughtering

Source of variation

df

Mean Square

Pr > F

Breed

1

58.1021

0.0172

Sire (breed)

16

13.9594

0.1543

Error

39

9.3883

 

R² 0.44

C.V. 10.3

A9.9.5. Empty fresh body weight taken at slaughter

Source of variation

df

Mean Square

Pr > F

Breed

1

11.0226

0.1977

Sire (breed)

16

8.0444

0.2745

Error

39

6.4185

 

R² 0.36

C.V. 10.8


153

A9.9.6. Hot carcass weight taken shortly after slaughter

Source of variation

df

Mean Square

Pr > F

Breed

1

5.5184

0.1093

Sire (breed)

16

3.2571

0.1195

Error

39

2.0542

 

R² 0.42

C.V. 9.9

A9.9.7. Cold carcass weight taken after cold storage for 24 hours

Source of variation

df

Mean Square

Pr > F

Breed

1

3.9694

0.1704

Sire (breed)

16

3.0879

0.1425

Error

39

2.0344

 

R² 0.41

C.V. 10.3

A9.9.8. Dressing % based on hot carcass weight

Source of variation

df

Mean Square

Pr > F

Breed

1

16.2251

0.2038

Sire (breed)

16

7.5704

0.6759

Error

39

9.9663

 

R² 0.27

C.V. 6.4

A9.9.9. Gut fat

Source of variation

df

Mean Square

Pr > F

Breed

1

9991.8750

0.1436

Sire (breed)

16

21979.1630

0.0001

Error

39

4569.5330

 

R² 0.68

C.V. 40.9


154

A9.9.10. Kidney fat

Source of variation

df

Mean Square

Pr > F

Breed

1

2553.5569

0.1657

Sire (breed)

16

2490.8915

0.0454

Error

39

1279.8272

 

R² 0.46

C.V. 35.7

A9.9.11. Ether extract estimate (g)for whole gastrointestinal tract

Source of variation

df

Mean Square

Pr > F

Breed

1

29195.5721

0.1476

Sire (breed)

16

22263.7108

0.0971

Error

39

13375.4202

 

R² 0.44

C.V. 35.5

A9.9.12. Ether extract estimate (g)for gut fat

Source of variation

df

Mean Square

Pr > F

Breed

1

16447.7633

0.0568

Sire (breed)

16

20031.8703

0.0001

Error

39

4267.3860

 

R² 0.67

C.V. 53.1

A9.9.13. Ether extract estimate (g)for renal fat

Source of variation

df

Mean Square

Pr > F

Breed

1

2839.7078

0.0468

Sire (breed)

16

1272.2930

0.0530

Error

39

673.3917

 

R² 0.48

C.V. 49.2


155

A9.9.14. Ether extract estimate (g)for whole carcass lean

Source of variation

df

Mean Square

Pr > F

Breed

1

125739.6411

0.0176

Sire (breed)

16

18725.8287

0.5590

Error

39

20457.3948

 

R² 0.36

C.V. 31.0

A9.9.15. Ether extract estimate (g)for rump fat

Source of variation

df

Mean Square

Pr > F

Breed

1

3907.9624

0.4515

Sire (breed)

16

3942.7418

0.8770

Error

38

6755.9253

 

R² 0.21

C.V. 64.2

A9.9.16. Ether extract estimate (g)for tail fat

Source of variation

df

Mean Square

Pr > F

Breed

1

16120.9483

0.4207

Sire (breed)

16

39005.0002

0.1143

Error

39

24341.2440

 

R² 0.40

C.V. 21.4

A9.9.17. Ether extract estimate (g)for subcutaneous fat

Source of variation

df

Mean Square

Pr > F

Breed

1

220120.4807

0.1424

Sire (breed)

16

1188941.2814

0.3028

Error

39

98212.2599

 

R² 0.36

C.V. 34.4


156

A9.9.18. Ether extract estimate (g)for Urogenital fat

Source of variation

df

Mean Square

Pr > F

Breed

1

80.4208

0.7406

Sire (breed)

16

924.5641

0.2589

Error

39

723.4034

 

R² 0.34

C.V. 62.1

A9.9.19. Ether extract estimate (g)for sundry trimming

Source of variation

df

Mean Square

Pr > F

Breed

1

5880.7409

0.3203

Sire (breed)

16

10115.0954

0.1040

Error

39

5804.0613

 

R² 0.41

C.V. 75.6

A9.9.20. Ether extract estimate (g)for whole carcass

Source of variation

df

Mean Square

Pr > F

Breed

1

168464.3519

0.0202

Sire (breed)

16

524078.3732

0.0632

Error

39

287226.2221

 

R² 0.48

C.V. 18.6

A9.9.21. Lean ether extract (g) on dry matter basis

Source of variation

df

Mean Square

Pr > F

Breed

1

125739.6411

0.0176

Sire (breed)

16

18725.8287

0.5590

Error

39

20457.3948

 

R² 0.43

C.V. 23.9


157

A9.9.22. Lean ether extract % on dry matter basis

Source of variation

df

Mean Square

Pr > F

Breed

1

248.0957

0.0025

Sire (breed)

16

28.3204

0.3197

Error

39

23.8521

 

R² 0.43

C.V. 23.9

A9.9.23. Estimated lean : bon ratio of whole carcass

Source of variation

df

Mean Square

Pr > F

Breed

1

0.4152

0.0503

Sire (breed)

16

0.0796

0.6952

Error

39

0.1017

 

R² 0.32

C.V. 11.4

A9.9.24. Estimated lean : fat ratio of whole carcass

Source of variation

df

Mean Square

Pr > F

Breed

1

1.0266

0.1661

Sire (breed)

16

0.5488

4178

Error

39

0.5155

 

R² 0.32

C.V. 22.3

A9.9.25. Estimated total carcass bone

Source of variation

df

Mean Square

Pr > F

Breed

1

1307693.0951

0.0037

Sire (breed)

16

184564.9276

0.2190

Error

39

136997.5608

 

R² 0.46

C.V. 11.7


158

A9.9.26. Gastro-intestinal-tract weight as % of the slaughter weight

Source of variation

df

Mean Square

Pr > F

Breed

1

89.2400

0.0004

Sire (breed)

16

6.1151

0.4579

Error

39

5.9948

 

R² 0.45

C.V. 11.5

A9.9.27. Gastro-intestinal-tract content as % of the slaughter weight

Source of vVariation

df

Mean Square

Pr > F

Breed

1

63.5714

0.0022

Sire (breed)

16

5.2984

0.5766

Error

39

5.9009

 

R² 0.39

C.V. 17.1


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