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Publication #AN328

The Florida Bull Test 2015–20161

Carla D. Sanford, G. Cliff Lamb, and Nicolas DiLorenzo2

Test Procedures

The 16th annual Florida Bull Test Sale was held on January 16, 2016 at the conclusion of the 2015–2016 Florida Bull Test. The test evaluated the performance potential and breeding soundness of bulls consigned to the program at the UF/IFAS North Florida Research and Education Center (NFREC). In an ongoing effort to better serve consignors and bull buyers, the 2015–2016 test provided data on individual feed efficiency for each bull, making this the fifth year that this information has been included. After the test, consignors with bulls that met the established benchmarks of the test were then given the opportunity to sell their consignments in the Florida Bull Test Sale. In order to qualify, bulls needed to meet growth performance, structural soundness, and disposition standards. Sale bulls also must have successfully passed a breeding soundness exam to qualify for the auction. Potential buyers and consignors were able to fully evaluate the animals on all parameters including actual performance data, expected progeny differences (EPDs), and carcass ultrasound data.

The 112-day test began on July 28, 2015, with bulls being sorted into contemporary groups based on consignor and breed (8 to 12 bulls per pen). Bulls were then housed in the NFREC Feed Efficiency Facility where they received free-choice access to a total mixed ration and water to achieve a target rate of gain of 3.5 lb per day. On a dry matter (DM) basis, the diet consisted of 42% pelleted soy hulls, 41% pelleted corn gluten feed, 12% loose peanut hulls, and 5% molasses-based liquid supplement containing vitamins, minerals, and ionophore (monensin). The diet was formulated to contain 16.3% crude protein and 0.51 Mcal/lb of DM net energy of gain (NEg).

After a three-week adaptation period, bulls were weighed on two consecutive days to obtain an accurate average unshrunk weight, which was used as the on-test starting weight. Throughout the test, bulls were inspected daily for any potential health problems. An intermediate unshrunk weight was obtained after 28 days. Bulls were then weighed on two consecutive days for an accurate 56-day weight, completing the feed efficiency portion of the test. On the same day, bulls were removed from the feed efficiency facility and then housed in 3.25-acre pastures where they stayed for the remainder of the test. While pasture grazing, bulls remained in the contemporary groups assigned in the feed efficiency facility pens. In addition to grazing and free-choice bermudagrass hay, bulls were offered free-choice access to the same total mixed ration which was provided in the feed efficiency facility. On day 84 of the test, an additional intermediate unshrunk weight was obtained. At the conclusion of the 112-day feeding period, bulls were weighed again on two consecutive days, December 8 and 9, to determine their final test weights. Animal performance by average daily gain (ADG) was assessed through calculation using only the starting and finishing test weights. Bulls were monitored throughout the test for overall health and were also observed and screened for structural soundness and disposition. Any bull deemed structurally unsound with poor conformation or chronic lameness or with poor disposition was disqualified from the sale.

For the second year, the Florida Bull Test offered remote bidding for the sale of bulls through a verified online bidding company. This service allowed consignors to market their bulls to potential buyers who were unable to attend the sale in person. Additionally, a video clip of each bull was made available online as a means of visual evaluation for those who could not visit the NFREC facility before the sale. On the day of the sale, 18 of the 29 registered bidders actively participated in the live auction.

Assessment of Feed Efficiency

Upon arrival at the feed efficiency facility, bulls were tagged with electronic identification (EID) tags to monitor daily feed intake using the GrowSafe system. ADG was calculated for the 56-day feed efficiency portion of the test. Residual feed intake (RFI), calculated as the difference between actual feed intake and expected feed intake, was the measure of feed efficiency used to rank the bulls in the test. Daily feed intake was measured for each bull, and RFI was calculated as described by Maddock and Lamb (2009).

Test Rules and Regulations

General Policies and Procedures

  1. Bulls must have been born between August 15 and December 31, 2014.

  2. All consignors’ herds must have been enrolled in their respective breed association performance program. State BCIA programs were accepted for herds whose breed association did not have a performance record program.

  3. Bulls must have completed the weaning phase of the performance record program with their contemporary group, and this information must have been presented upon delivery. If data had not yet been returned from the consignor’s respective association, a copy of the weight data with the number of contemporaries was requested.

  4. Bulls could either be purebred or fullblood, but must have been registered with their breed association. Composite bulls must have had both sire and dam registered in an acknowledged beef breed association. A registration certificate and pedigree were required at time of bull delivery to the test station. Otherwise, bulls were not accepted.

  5. Each bull was required to weigh 2.5 pounds per day of age when delivered to the test station. A transit shrink of 1% per hour of transit time was allowed.

  6. Bulls must have been weaned a minimum of three weeks prior to delivery.

  7. Bulls were required to be structurally sound and show evidence of good growth potential.

  8. Birth weights of bulls were required at time of delivery.

  9. Consignments were limited to ten bulls per owner or operation. Additional consignments would have been considered on the basis of space availability.

  10. There was a limit of 132 bulls for the Florida Bull Test. More than 132 bulls were nominated. As a result, the following selection criteria were used to determine which bulls were accepted.

    • First preference was given to breeders or consignors who were members of the Florida Cattlemen's Association.

    • Secondly, bulls were accepted based on the order in which nominations were received.

  11. Bulls originating from embryo transfer must have been designated as such, and the breed of the recipient cow must have been identified.

  12. Bulls must have had legible and permanent identification (tattoo or brand) corresponding to the registration paper at delivery.

  13. Consignors were informed that horned bulls may be grouped separately. Additionally, it was recommended that bulls be dehorned and healed by time of delivery.

Health Requirements

  1. All bulls were required to be in good health. They needed to be accompanied by a health certificate bearing the herd number that indicated they were from an accredited or certified brucellosis-free state or herd or had a negative test for brucellosis no more than 30 days before delivery. Bulls originating from a state that is not tuberculosis (TB)-free were required to be accompanied by a health certificate showing they were from a certified TB-free herd or have had a negative test result for TB no more than 30 days prior to time of delivery.

  2. Bulls must have been vaccinated twice with at least 21 days between vaccinations for the following: 5-way leptospirosis, 7- or 8-way clostridium with Haemophilus somnus, and IBR/PI3/BVD/BRSV, with the last vaccination occurring at least three weeks prior to delivery. Vaccination for Pasteurella was optional. The use of intranasal vaccination against IBR/PI3 was recommended.

  3. Consignors were responsible for all examination and treatment costs if veterinary attention was required.

  4. Consignors were encouraged to contact their local or state veterinarian for interstate permit and health requirements. An official certificate of veterinary inspection (health paper) was required for each bull.

Test Results

At the conclusion of the test, an overall ranking assessing the parameters of ADG and the weight per day of age (WDA) of each bull was compiled, and an index ratio was generated. The top performing bull as well as top performing Charolais bull was owned by Rogers Bar HR of Collins, MS, indexing 136 with an ADG of 4.95 and WDA of 3.22 lb/day. The top SimAngus bull, BF Catalyst B59, was owned by Boyd Farm of New Brockton, AL, ranking 2nd overall and indexing 131 with an ADG of 4.24 and WDA of 3.64 lb/day.

The top Simmental bull, WF Powerball, was owned by Wells Farm in Selma, AL and ranked 5th overall, indexing 127 with an ADG of 4.22 and WDA of 3.40 lb/day. The top Angus bull, Tates CC&7 Blackberry B14, owned by Windy Hill Angus Farm in Boaz, AL, was ranked 9th overall and indexed 118 with an ADG of 3.83 and WDA of 3.29 lb/day. The top Hereford bull, JTN Rev 4R 9114 B20, was owned by J. Taylor Neighbors of Americus, GA and ranked 36th overall, indexing 107 with an ADG of 3.45 and WDA of 2.96 lb/day.

The top Brahman bull, FF MR BAR COYO, owned by Ford Farms of Malone, FL, was ranked 45th overall and indexed 105 with an ADG of 3.82 and WDA of 2.52 lb/day. The top composite bull owned by Running M Ranch from Tallahassee, FL was ranked 86th overall and indexed 97 with an ADG of 3.00 and WDA of 2.84 lb/day. The top Braford bull was also owned by Running M Ranch and was ranked 95th overall, indexing 94 with an ADG of 2.98 and WDA of 2.66 lb/day. Table 1 summarizes feed efficiency data, and Table 2 summarizes individual feed intake and feed efficiency. Table 3 summarizes individual animal performance.

Sale Summary

The Florida Bull Test Sale was held at the NFREC Beef Unit in Marianna, FL. Initially, 136 bulls entered the test. Eighty-five head of the 108 qualified bulls walked through the sale ring for offer. The sale grossed $350,778 with an average of $4,078 per lot. The one and only Brahman bull offered was sold for $4,600. Angus bulls averaged $4,586 on 18 lots while SimAngus bulls averaged $4,020 on 44 lots. Simmental bulls averaged $4,005 on 17 lots. Hereford bulls averaged $3,620 on five lots, and Charolais bulls averaged $2,833 on three lots. The high-selling bull was lot 9, Tates CC&7 Blackberry B14, selling for $6,300. Tates CC&7 Blackberry B14 was consigned by Windy Hill Angus Farm of Boaz, AL and purchased by Herman Walker of DeFuniak Springs, FL.

Figure 1. 

Charles and Laura Flythe of C & L Farm receiving their award for their consignment, CLS Moving Forward14, that concluded the test as the Florida Bull Test Feed Efficiency Winner. Pictured from front to back: Charles and Laura Flythe of C & L Farm, Dr. Nick Comerford (UF/IFAS NFREC director), and David Thomas (UF/IFAS NFREC Beef Unit supervisor).


Credit:

Francine Messias, UF/IFAS


[Click thumbnail to enlarge.]

Missing Figure (FIGURE 2)

Reference

Maddock, T. D., and G. C. Lamb. 2009. The Economic Impact of Feed Efficiency in Beef Cattle. AN217. Gainesville: University of Florida Institute of Food and Agricultural Sciences. http://edis.ifas.ufl.edu/an217

Tables

Table 1. 

Summary of feed efficiency data for bulls in the 2015–2016 Florida Bull Test.

Item

Daily Intake, lb of DM/day

RFI, lb of DM/day

Feed: Gain

Average

20.13

0.00

6.71

Range

11.07–28.58

-6.78–6.81

4.20–15.70

Table 2. 

2015–2016 Florida Bull Test individual bull feed efficiency and feed intake data.

Test ID

Breed

56-Day Daily Feed Intake, lb/day

Feed: Gain

Gain: Feed

56-Day RFI, lb/day

56-Day Feed Efficiency Rank

1399

SimAngus

15.88

4.49

0.22

-6.78

1

1412

Angus

15.81

4.66

0.21

-6.08

2

1404

Angus

13.49

5.68

0.18

-5.51

3

1424

Angus

17.24

4.74

0.21

-5.41

4

1401

SimAngus

19.27

4.41

0.23

-4.44

5

1409

Composite

12.48

5.50

0.18

-4.01

6

1413

Angus

20.59

5.06

0.20

-3.45

7

1437

Angus

14.27

4.76

0.21

-3.27

8

1390

Hereford

15.09

5.83

0.17

-3.05

9

1378

SimAngus

20.62

6.08

0.16

-2.78

10

1322

Simmental

17.96

4.93

0.20

-2.56

11

1397

SimAngus

13.13

5.33

0.19

-2.56

12

1430

Simmental

22.91

5.64

0.18

-2.52

13

1368

SimAngus

19.35

6.67

0.15

-2.44

14

1415

Simmental

16.75

7.03

0.14

-2.37

15

1341

Brahman

18.19

4.35

0.23

-2.34

16

1323

Simmental

17.20

5.85

0.17

-2.27

17

1420

Angus

16.63

6.38

0.16

-2.27

18

1380

Angus

16.95

5.05

0.20

-2.26

19

1348

SimAngus

20.60

5.43

0.18

-2.19

20

1356

SimAngus

15.57

6.41

0.16

-2.07

21

1408

Braford

11.07

4.96

0.20

-2.05

22

1411

Composite

15.42

5.83

0.17

-2.04

23

1391

Hereford

13.18

15.70

0.06

-2.00

24

1346

Simmental

19.97

6.06

0.17

-2.00

25

1410

Braford

12.79

5.64

0.18

-1.94

26

1381

Angus

15.22

7.48

0.13

-1.87

27

1353

Simmental

17.35

5.89

0.17

-1.82

28

1447

Charolais

19.07

4.20

0.24

-1.79

29

1373

SimAngus

20.33

5.69

0.18

-1.72

30

1343

Brahman

18.19

5.61

0.18

-1.71

31

1383

SimAngus

18.84

5.44

0.18

-1.66

32

1421

Angus

20.22

6.38

0.16

-1.61

33

1334

Simmental

21.60

6.28

0.16

-1.54

34

1406

Braford

15.30

4.30

0.23

-1.52

35

1372

SimAngus

20.56

5.55

0.18

-1.47

36

1422

Angus

20.50

5.87

0.17

-1.45

37

1388

Hereford

17.10

6.77

0.15

-1.42

38

1345

SimAngus

20.50

5.07

0.20

-1.33

39

1367

SimAngus

18.00

5.63

0.18

-1.02

40

1342

Brahman

17.69

5.69

0.18

-1.00

41

1376

SimAngus

20.83

8.48

0.12

-0.99

42

1438

Hereford

13.56

14.61

0.07

-0.98

43

1370

SimAngus

22.38

5.88

0.17

-0.92

44

1416

Angus

14.82

7.68

0.13

-0.90

45

1358

Simmental

20.65

5.91

0.17

-0.90

46

1385

Hereford

18.06

6.20

0.16

-0.81

47

1354

Simmental

20.72

5.67

0.18

-0.81

48

1327

Angus

23.10

5.28

0.19

-0.60

49

1328

Angus

19.66

6.86

0.15

-0.59

50

1418

Angus

21.54

6.61

0.15

-0.57

51

1360

Simmental

21.36

5.40

0.19

-0.54

52

1400

SimAngus

19.15

8.15

0.12

-0.46

53

1350

SimAngus

18.42

7.37

0.14

-0.37

54

1392

Composite

21.11

5.91

0.17

-0.32

55

1402

SimAngus

19.94

7.42

0.13

-0.29

56

1407

Braford

13.65

4.38

0.23

-0.19

57

1365

SimAngus

18.15

7.76

0.13

-0.17

58

1324

SimAngus

22.37

6.87

0.15

-0.14

59

1444

Charolais

21.57

4.74

0.21

-0.13

60

1439

SimAngus

19.55

7.90

0.13

-0.06

61

1393

Angus

18.18

5.92

0.17

-0.06

62

1344

SimAngus

24.59

7.15

0.14

-0.05

63

1441

Charolais

17.96

5.81

0.17

0.04

64

1339

Simmental

19.81

5.52

0.18

0.05

65

1319

SimAngus

22.26

6.74

0.15

0.05

66

1317

Simmental

23.85

6.36

0.16

0.14

67

1340

Brahman

18.03

6.08

0.16

0.24

68

1355

SimAngus

21.98

6.35

0.16

0.25

69

1414

Simmental

21.82

6.75

0.15

0.26

70

1423

Angus

20.45

6.98

0.14

0.34

71

1325

Angus

17.64

5.95

0.17

0.37

72

1387

Hereford

18.65

7.79

0.13

0.38

73

1333

SimAngus

24.81

7.04

0.14

0.38

74

1443

Charolais

18.83

5.73

0.17

0.40

75

1366

Simmental

22.58

6.20

0.16

0.41

76

1364

SimAngus

21.19

6.38

0.16

0.43

77

1377

SimAngus

21.25

6.38

0.16

0.44

78

1405

Angus

17.63

7.15

0.14

0.47

79

1361

SimAngus

17.15

5.89

0.17

0.53

80

1369

SimAngus

20.47

6.26

0.16

0.57

81

1434

Angus

20.25

4.85

0.21

0.59

82

1316

SimAngus

21.31

6.88

0.15

0.68

83

1326

Angus

16.36

5.76

0.17

0.68

84

1449

Charolais

19.73

5.64

0.18

0.70

85

1431

Angus

15.49

9.86

0.10

0.70

86

1395

SimAngus

16.96

8.48

0.12

0.71

87

1362

Simmental

25.39

7.02

0.14

0.71

88

1396

SimAngus

17.79

7.72

0.13

0.83

89

1428

Angus

17.57

6.60

0.15

0.85

90

1338

Simmental

23.41

4.92

0.20

0.90

91

1371

SimAngus

21.75

7.59

0.13

0.95

92

1352

SimAngus

17.66

12.84

0.08

0.98

93

1359

Simmental

18.22

13.17

0.08

1.01

94

1427

Angus

26.59

6.14

0.16

1.10

95

1432

Angus

18.29

6.48

0.15

1.12

96

1446

Charolais

24.47

5.17

0.19

1.14

97

1349

SimAngus

22.32

7.18

0.14

1.17

98

1389

Hereford

20.54

8.65

0.12

1.20

99

1382

Angus

19.20

7.85

0.13

1.20

100

1320

Simmental

24.93

6.89

0.15

1.20

101

1419

Angus

23.13

7.30

0.14

1.26

102

1448

Charolais

18.79

6.45

0.15

1.35

103

1321

Simmental

20.74

5.30

0.19

1.46

104

1445

Charolais

21.74

7.63

0.13

1.52

105

1335

Angus

23.29

6.02

0.17

1.55

106

1440

Charolais

22.97

6.70

0.15

1.56

107

1374

SimAngus

24.31

6.16

0.16

1.65

108

1398

SimAngus

24.88

6.46

0.15

1.81

109

1332

SimAngus

24.69

7.47

0.13

1.87

110

1375

Simmental

25.57

7.25

0.14

1.90

111

1436

Angus

21.73

5.34

0.19

1.92

112

1435

Angus

17.73

7.52

0.13

1.95

113

1426

Angus

22.10

6.95

0.14

2.00

114

1425

Angus

24.52

6.99

0.14

2.00

115

1363

SimAngus

24.40

6.71

0.15

2.01

116

1351

SimAngus

22.31

8.65

0.12

2.12

117

1357

SimAngus

23.11

7.07

0.14

2.17

118

1318

SimAngus

22.13

6.47

0.15

2.22

119

1314

SimAngus

28.08

5.95

0.17

2.55

120

1403

SimAngus

24.26

6.83

0.15

2.58

121

1394

SimAngus

23.23

7.68

0.13

2.65

122

1384

SimAngus

24.31

6.10

0.16

2.75

123

1337

SimAngus

25.67

6.75

0.15

2.90

124

1442

Charolais

24.31

6.19

0.16

3.12

125

1429

SimAngus

23.93

6.91

0.14

3.29

126

1315

SimAngus

23.62

6.52

0.15

3.90

127

1336

Simmental

26.21

7.76

0.13

3.91

128

1331

SimAngus

28.58

7.04

0.14

4.13

129

1347

SimAngus

23.67

11.53

0.09

4.27

130

1386

Hereford

22.28

10.10

0.10

4.31

131

1330

Simmental

25.37

8.91

0.11

5.36

132

1379

Angus

23.62

8.02

0.12

5.44

133

1433

Angus

20.88

15.39

0.06

6.81

134

Table 3. 

2015–2016 Florida Bull Test individual bull performance in order of final test index.

Test ID

Breed

Start Weight

28-Day Weight

56-Day Weight

84-Day Weight

Final Weight

Final ADG

Final WDA

Final Index

Final Index Ratio

Frame Score

1314

SimAngus

1001

884

1003

1275

1400

3.57

3.57

7.14

119

6.4

1315

SimAngus

767

1025

1100

1330

1135

3.29

3.04

6.33

105

5.8

1316

SimAngus

924

1075

1265

1060

1290

3.27

3.27

6.53

109

6.3

1317

Simmental

1038

1000

1098

1180

1363

2.90

2.98

5.88

98

6.6

1318

SimAngus

816

980

778

1200

1160

3.07

3.10

6.17

103

6.8

1319

SimAngus

1005

1040

1080

1315

1370

3.26

2.96

6.22

103

5.9

1320

Simmental

1063

976

1148

1100

1445

3.42

3.14

6.56

109

6.4

1321

Simmental

687

828

1173

1315

1108

3.75

3.20

6.96

116

6.3

1322

Simmental

821

526

928

872

1133

2.78

2.44

5.22

87

5.3

1323

Simmental

868

910

884

902

1118

2.23

2.43

4.66

78

5.6

1324

SimAngus

1035

930

970

1255

1375

3.04

3.02

6.05

101

6.4

1325

Angus

708

764

1050

1255

1093

3.43

2.63

6.06

101

4.5

1326

Angus

621

1020

630

1185

1005

3.43

2.47

5.90

98

4.9

1327

Angus

925

986

977

1285

1280

3.17

3.01

6.18

103

5.8

1328

Angus

937

912

1035

1055

1233

2.64

2.77

5.41

90

6.2

1330

Simmental

923

846

1128

1105

1228

2.72

2.66

5.38

90

5.8

1331

SimAngus

1038

1005

1025

964

1380

3.06

3.09

6.15

102

5.1

1332

SimAngus

1050

1125

1173

1275

1398

3.10

3.06

6.16

103

6.5

1333

SimAngus

1133

848

1188

1195

1458

2.90

3.35

6.25

104

6.8

1334

Simmental

1050

1030

1145

1310

1380

2.95

3.38

6.33

105

7.2

1335

Angus

871

1015

1065

972

1195

2.89

2.59

5.49

91

4.7

1336

Simmental

999

1015

1045

1425

1373

3.34

2.98

6.32

105

5.6

1337

SimAngus

957

1060

1055

986

1320

3.24

2.97

6.21

103

5.6

1338

Simmental

771

1050

1210

1335

1218

3.99

2.92

6.91

115

5.4

1339

Simmental

776

960

1273

1170

1190

3.70

2.82

6.52

108

5.3

1340

Brahman

744

904

1133

966

1053

2.75

2.20

4.95

82

6.0

1341

Brahman

730

1100

1195

1180

1158

3.82

2.52

6.34

105

7.0

1342

Brahman

783

794

1011

1020

1078

2.63

2.28

4.91

82

5.0

1343

Brahman

846

796

968

1065

1140

2.63

2.36

4.98

83

6.7

1344

SimAngus

1165

1160

1180

1190

1503

3.01

3.14

6.16

102

6.9

1345

SimAngus

846

700

1183

1350

1265

3.74

2.89

6.64

110

6.0

1346

Simmental

988

722

940

1185

1330

3.05

2.91

5.96

99

5.8

1347

SimAngus

1018

794

1073

1115

1305

2.57

2.84

5.40

90

5.2

1348

SimAngus

960

986

1310

1205

1435

4.24

3.64

7.88

131

7.4

1349

SimAngus

961

1030

1083

1190

1283

2.87

2.90

5.77

96

5.7

1350

SimAngus

895

790

1120

1190

1273

3.37

3.04

6.41

107

5.5

1351

SimAngus

983

968

1235

1205

1363

3.39

2.91

6.30

105

4.9

1353

Simmental

845

822

993

1180

1165

2.86

2.93

5.78

96

5.2

1354

Simmental

893

1090

936

1285

1243

3.12

2.92

6.04

101

6.7

1355

SimAngus

941

1005

1103

1155

1293

3.14

2.90

6.04

101

5.3

1356

SimAngus

825

858

874

1175

1155

2.95

2.56

5.50

92

5.5

1357

SimAngus

917

888

1150

1165

1285

3.29

2.92

6.21

103

5.9

1358

Simmental

922

1110

906

1280

1338

3.71

3.13

6.83

114

7.0

1359

Simmental

975

868

971

1045

963

-0.11

2.01

1.91

32

4.8

1360

Simmental

866

1140

1128

1150

1283

3.72

2.78

6.49

108

6.3

1361

SimAngus

673

766

985

1070

997

2.89

2.74

5.63

94

4.9

1362

Simmental

1135

890

1163

1365

1493

3.19

3.35

6.55

109

6.0

1363

SimAngus

959

956

902

1225

1353

3.51

3.15

6.67

111

6.0

1364

SimAngus

894

1060

925

1135

1285

3.49

3.07

6.56

109

5.9

1365

SimAngus

889

1070

1138

1095

1225

3.00

2.94

5.94

99

5.0

1366

Simmental

941

1085

1025

858

1308

3.27

2.85

6.12

102

5.1

1367

SimAngus

791

1010

1135

1220

1153

3.23

2.86

6.09

101

4.9

1368

SimAngus

1045

1055

1135

1265

1395

3.13

3.16

6.28

105

5.5

1369

SimAngus

842

976

1155

1055

1228

3.44

2.94

6.39

106

4.7

1370

SimAngus

997

1195

1038

1320

1460

4.13

3.49

7.63

127

5.9

1371

SimAngus

977

864

822

940

1240

2.35

2.75

5.10

85

5.8

1372

SimAngus

920

1010

1188

1210

1278

3.19

2.95

6.14

102

6.0

1373

SimAngus

945

934

1033

892

1265

2.86

2.85

5.71

95

5.8

1374

SimAngus

924

1220

1088

1170

1313

3.47

2.92

6.39

106

6.0

1375

Simmental

1075

1030

1083

1060

1413

3.01

3.09

6.10

102

6.7

1376

SimAngus

1128

1005

870

694

1410

2.52

2.93

5.45

91

5.6

1377

SimAngus

896

916

1098

982

1250

3.16

2.78

5.94

99

6.7

1378

SimAngus

1078

802

1098

1035

1428

3.13

3.14

6.27

104

7.0

1379

Angus

775

1010

1178

1170

1128

3.15

2.97

6.12

102

5.6

1380

Angus

777

996

1073

1245

1188

3.67

3.06

6.73

112

6.3

1381

Angus

854

1065

1190

1220

1205

3.13

3.03

6.16

103

6.2

1382

Angus

848

1000

929

1105

1148

2.67

2.97

5.65

94

6.2

1383

SimAngus

851

1115

1060

1160

1255

3.61

3.08

6.68

111

6.1

1384

SimAngus

837

1055

1040

1195

1248

3.67

2.94

6.60

110

6.3

1385

Hereford

830

900

1030

934

1130

2.68

2.60

5.28

88

4.8

1386

Hereford

887

976

918

1130

1245

3.20

2.76

5.96

99

5.5

1387

Hereford

876

1140

1098

1070

1263

3.45

2.96

6.41

107

5.2

1388

Hereford

871

886

1188

1010

1253

3.41

2.96

6.37

106

5.8

1389

Hereford

957

858

965

1045

1308

3.13

3.06

6.19

103

5.4

1390

Hereford

833

956

836

1300

1173

3.03

2.81

5.84

97

6.6

1391

Hereford

924

1000

923

1080

1195

2.42

2.85

5.27

88

6.4

1392

Composite

900

1135

892

986

1190

2.59

2.71

5.30

88

6.8

1393

Angus

757

778

899

964

1063

2.73

2.38

5.11

85

3.7

1394

SimAngus

933

996

1218

1045

1300

3.28

2.97

6.24

104

6.0

1395

SimAngus

801

1085

677

1080

1063

2.33

2.41

4.74

79

3.9

1396

SimAngus

799

860

884

902

1068

2.40

2.80

5.20

87

4.9

1397

SimAngus

684

978

780

978

977

2.62

2.51

5.12

85

4.9

1398

SimAngus

972

916

1088

1200

1338

3.26

3.19

6.46

107

5.7

1399

SimAngus

997

1110

957

1250

1305

2.75

2.85

5.60

93

6.5

1400

SimAngus

981

1025

978

1055

1240

2.31

3.03

5.34

89

5.7

1401

SimAngus

928

1075

1243

1270

1330

3.59

3.20

6.79

113

6.9

1402

SimAngus

967

968

1080

1185

1275

2.75

3.05

5.80

97

6.0

1403

SimAngus

921

890

1145

1230

1325

3.61

3.13

6.74

112

5.4

1404

Angus

932

794

1010

1310

1190

2.30

2.89

5.19

86

4.9

1405

Angus

785

886

961

1095

1040

2.28

2.65

4.92

82

4.8

1406

Braford

579

856

924

1110

905

2.91

2.62

5.53

92

5.5

1407

Braford

456

966

1265

1165

789

2.98

2.66

5.63

94

5.4

1408

Braford

552

754

1015

960

807

2.28

2.27

4.55

76

4.6

1409

Composite

772

610

840

752

1018

2.19

2.59

4.78

80

5.0

1410

Braford

652

1030

910

1015

947

2.63

2.52

5.15

86

5.7

1411

Composite

776

1095

1028

1090

1113

3.00

2.84

5.84

97

5.3

1412

Angus

965

968

1170

1410

1355

3.48

3.20

6.68

111

6.2

1413

Angus

1005

1060

1268

1155

1363

3.20

3.20

6.39

106

6.4

1414

Simmental

969

1045

1008

1245

1340

3.31

3.09

6.40

106

5.9

1415

Simmental

939

958

1118

1275

1268

2.93

3.02

5.95

99

5.6

1416

Angus

776

834

1020

1175

1083

2.74

2.50

5.24

87

3.6

1418

Angus

1005

1075

1265

1175

1443

3.91

3.09

7.00

116

6.4

1419

Angus

1003

1200

905

1225

1323

2.86

2.93

5.79

96

5.3

1420

Angus

884

1000

1113

1245

1223

3.02

2.72

5.74

95

5.8

1421

Angus

1000

780

1145

1245

1375

3.35

3.02

6.36

106

5.6

1422

Angus

952

878

1330

1305

1348

3.53

3.31

6.84

114

5.7

1423

Angus

916

1105

1358

1060

1318

3.58

2.88

6.46

108

6.1

1424

Angus

979

1165

946

1265

1408

3.83

3.29

7.11

118

6.4

1425

Angus

991

1225

1248

996

1403

3.67

3.12

6.79

113

5.2

1426

Angus

872

868

964

1230

1258

3.44

2.95

6.39

106

5.2

1427

Angus

1068

1115

1338

1320

1458

3.48

3.37

6.86

114

6.3

1428

Angus

721

1050

1013

996

1018

2.65

2.68

5.33

89

5.4

1429

SimAngus

861

1130

1233

1440

1315

4.05

3.07

7.12

118

6.0

1430

Simmental

1113

1065

1173

1285

1585

4.22

3.40

7.62

127

7.3

1431

Angus

772

828

1053

916

1008

2.10

2.30

4.40

73

5.3

1432

Angus

726

776

913

962

1000

2.45

2.29

4.74

79

4.3

1433

Angus

759

992

860

900

988

2.04

2.30

4.35

72

4.6

1434

Angus

668

856

1098

1150

1035

3.28

2.60

5.88

98

4.8

1435

Angus

708

836

779

964

988

2.50

2.31

4.81

80

4.1

1436

Angus

697

1060

1010

1250

1070

3.33

2.68

6.01

100

4.1

1437

Angus

721

1025

1090

892

1048

2.92

2.45

5.37

89

4.5

1438

Hereford

864

668

835

954

1055

1.71

2.51

4.22

70

5.0

1439

SimAngus

959

924

1208

1180

1283

2.89

3.19

6.08

101

6.2

1440

Charolais

923

1265

1100

1335

1428

4.50

3.19

7.70

128

7.5

1441

Charolais

732

966

889

1065

1070

3.02

2.52

5.54

92

6.1

1442

Charolais

820

1135

1340

1295

1270

4.02

3.05

7.06

118

7.4

1443

Charolais

734

1000

1118

1065

1138

3.60

2.73

6.33

105

8.0

1444

Charolais

748

1145

1265

1165

1303

4.95

3.22

8.17

136

7.1

1445

Charolais

938

904

1188

1245

1360

3.77

3.13

6.89

115

6.3

1446

Charolais

835

1195

1170

1135

1313

4.26

3.13

7.39

123

5.9

1447

Charolais

692

932

1100

1065

1073

3.40

2.74

6.13

102

6.3

1448

Charolais

729

1265

970

1405

1158

3.83

2.67

6.49

108

6.7

1449

Charolais

740

918

1115

1230

1140

3.57

2.64

6.21

103

6.3

Footnotes

1.

This document is AN328, one of a series of the Department of Animal Sciences, UF/IFAS Extension. Original publication date November 2016. Visit the EDIS website at http://edis.ifas.ufl.edu.

2.

Carla D. Sanford, graduate assistant; G. Cliff Lamb, professor; and Nicolas DiLorenzo, assistant professor; Department of Animal Sciences, UF/IFAS North Florida Research and Education Center, Marianna, FL 32446.


The Institute of Food and Agricultural Sciences (IFAS) is an Equal Opportunity Institution authorized to provide research, educational information and other services only to individuals and institutions that function with non-discrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. For more information on obtaining other UF/IFAS Extension publications, contact your county's UF/IFAS Extension office.

U.S. Department of Agriculture, UF/IFAS Extension Service, University of Florida, IFAS, Florida A & M University Cooperative Extension Program, and Boards of County Commissioners Cooperating. Nick T. Place, dean for UF/IFAS Extension.