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Guide To Determine What Weight Show Pig To Buy

Filed Under:
Publication Number: P2516
Updated: October 19, 2017
View as PDF: P2516.pdf

Traditionally, the swine show at the Dixie National Junior Roundup is scheduled for a Saturday near February 1 each year. In 2018, the Dixie National Junior Roundup Swine Show is scheduled for Saturday, February 3.

Each year, many swine exhibitors purchase the pigs they intend to show at the Dixie National Junior Roundup in Jackson. Some exhibitors purchase pigs at show pig sales, on-farm sales, or from individual producers usually in late September and October. Sometimes they purchase in early November, since the ownership deadline for pigs is December 1. Don’t wait until November to purchase a pig, because there may not be many left.

To be successful showing pigs, plan before purchasing the show pig.

1. It is a good idea to understand the show requirements.

  • Become familiar with the rules and regulations of the specific show in which you will show the animal.
  • Each show may have different requirements, and the requirements may change from one year to the next.
  • Mississippi Bred Contest: If you want to be eligible for additional premiums provided by the Mississippi Pork Producers Association for Mississippi-bred tagged pigs, ask the seller if the pig will be tagged Mississippi-bred before you purchase the pig. All Mississippi-bred tagged pigs should be tagged before change of ownership.

2. Here are more things to consider before purchasing the show pig:

  • Animal care—who will provide daily care for the pig?
  • Housing—do you have a shelter and pen to keep the pig comfortable?
  • Transport of the pig—do you have a truck or trailer to haul the pig(s) you purchase?
  • Equipment—do you have a self-feeder and water supply for the pig?
  • Feed—what will you feed your pig, and will you have the feed when the pig arrives?
  • Health program—ask the seller what vaccinations or dewormers the pig has received and when the treatments were given.
  • Market situation—what do you plan to do with your pig after the show?
  • Sources of show pigs—where will you go to purchase a show pig?

How to Use the Tables

The following tables will help you determine what weight pig to purchase at various times. Each table is for a different purchase date (September through November). The purchase date is listed at the top left side. Also, the number of days to the show date (February 3) is listed on the top row after the pig purchase weight. Be sure you use the table that matches your pig purchase date.

Table 1 – Purchase date, September 1

Table 2 – Purchase date, September 15

Table 3 – Purchase date, October 1

Table 4 – Purchase date, October 15

Table 5 – Purchase date, November 1

Table 6 – Purchase date, November 15

The shaded areas in each table represent pig weights that are outside the desirable weight ranges for the Dixie National Junior Roundup. Pigs must weigh 200 pounds or more at the show. There is no maximum weight for the market pigs, but weights above 285 pounds are shaded in the tables. Barrows entered in the MS Bred Barrow Show must weigh between 200 and 290 pounds at the time of show check-in.

There are different ways to use these tables. One way, if you know the weight of the pig you want to buy, is to locate that weight on the top row of the table, then locate the expected average daily gain (ADG) in the column on the left side of the table. The number at the intersection of the row and column is the projected weight of the pig on February 3, 2018.

Example: Table 2. Purchase Date: September 15—You found a pig you want to purchase. The pig weighs 60 pounds, and you think the pig will gain 1.5 pounds per day. The projected weight of the pig on February 3 is 272 pounds.

Another method, if you know what weight you would like your pig to weigh at the show, is to locate that weight in the unshaded area of the table along the same row you think the pig will gain (ADG), then go up the column from the desired show weight to find what weight pig you need to purchase (pig purchase weight).

Example: Table 3. Purchase Date: October 1—You want your pig to weigh about 280 pounds at the show, and you estimate the pig will gain 1.75 pounds per day. From the 279 value located in the 1.75 row, go up the column to the top row (pig purchase weight), and determine a 60-pound pig is what you need to purchase October 1.

Also in this same table with the same show weight of about 280 pounds, there are other pigs with a similar weight. For instance, if you purchased a 90-pound pig October 1, you have to make sure the pig gains no more than 1.5 pounds per day to weigh 278 pounds on the show date. And a 120-pound pig purchased October 1 needs to gain only 1.25 pounds per day to weigh 276 pounds February 3, 2018.

Approximate Show Pig Weight Tables

Table 1. Purchase Date: September 1, 2017

Average
Daily Gain,
lb/d

Pig Purchase Weight, lbs (155 days to show)

30

40

50

60

70

80

90

100

110

120

130

140

150

1.00

185

195

205

215

225

235

245

255

265

275

285

295

305

1.25

224

234

244

254

264

274

284

294

304

314

324

334

344

1.50

263

273

283

293

303

313

323

333

343

353

363

373

383

1.75

301

311

321

331

341

351

361

371

381

391

401

411

421

2.00

340

350

360

370

380

390

400

410

420

430

440

450

460

 

Table 2. Purchase Date: September 15, 2017

Average
Daily Gain,
lb/d

Pig Purchase Weight, lbs (141 days to show)

30

40

50

60

70

80

90

100

110

120

130

140

150

1.00

171

181

191

201

211

221

231

241

251

261

271

281

291

1.25

206

216

226

236

246

256

266

276

286

296

306

316

326

1.50

242

252

262

272

282

292

302

312

322

332

342

352

362

1.75

277

287

297

307

317

327

337

347

357

367

377

387

397

2.00

312

322

332

342

352

362

372

382

392

402

412

422

432

 

Table 3. Purchase Date: October 1, 2017

Average
Daily Gain,
lb/d

Pig Purchase Weight, lbs (125 days to show)

30

40

50

60

70

80

90

100

110

120

130

140

150

1.00

155

165

175

185

195

205

215

225

235

245

255

265

275

1.25

186

196

206

216

226

236

246

256

266

276

286

296

306

1.50

218

228

238

248

258

268

278

288

298

308

318

328

338

1.75

249

259

269

279

289

299

309

319

329

339

349

359

369

2.00

280

290

300

310

320

330

340

350

360

370

380

390

400

 

Table 4. Purchase Date: October 15, 2017

Average
Daily Gain,
lb/d

Pig Purchase Weight, lbs (111 days to show)

30

40

50

60

70

80

90

100

110

120

130

140

150

1.00

141

151

161

171

181

191

201

211

221

231

241

251

261

1.25

169

179

189

199

209

219

229

239

249

259

269

279

289

1.50

197

207

217

227

237

247

257

267

277

287

297

307

317

1.75

224

234

244

254

264

274

284

294

304

314

324

334

344

2.00

252

262

272

282

292

302

312

322

332

342

352

362

372

 

Table 5. Purchase Date: November 1, 2017

Average
Daily Gain,
lb/d

Pig Purchase Weight, lbs (94 days to show)

30

40

50

60

70

80

90

100

110

120

130

140

150

1.00

124

134

144

154

164

174

184

194

204

214

224

234

244

1.25

148

158

168

178

188

198

208

218

228

238

248

258

268

1.50

171

181

191

201

211

221

231

241

251

261

271

281

291

1.75

195

205

215

225

235

245

255

265

275

285

295

305

315

2.00

218

228

238

248

258

268

278

288

298

308

318

328

338

 

Table 6. Purchase Date: November 15, 2017

Average
Daily Gain,
lb/d

Pig Purchase Weight, lbs (80 days to show)

30

40

50

60

70

80

90

100

110

120

130

140

150

1.00

110

120

130

140

150

160

170

180

190

200

210

220

230

1.25

130

140

150

160

170

180

190

200

210

220

230

240

250

1.50

150

160

170

180

190

200

210

220

230

240

250

260

270

1.75

170

180

190

200

210

220

230

240

250

260

270

280

290

2.00

190

200

210

220

230

240

250

260

270

280

290

300

310


Ownership deadline: December 1


 

Example: How to calculate a projected pig weight for the show date

If you want to calculate the projected pig weight for a specific date not listed in the above tables, the following example should be helpful.

Item 1 First, determine how many days it will be from the date of purchase to the show date.

From October 5 to February 3, there are 121 days (see Table 7).

Item 2 Next, find out the weight of the pig you plan to purchase.

The seller may provide this information, or you can estimate the weight or weigh the pig on a scale.

Starting pig weight is 59 pounds.

Item 3 Next, determine how many pounds of gain per day (ADG) the pig will average until the show.

This will vary depending on the genetic potential of the pig, health status, type and quality of feed, amount of feed provided to the pig each day, housing conditions, weather factors, and so forth. Pigs will grow better if they are not alone. Normally, a pig should gain within a range of 1.4 to 2 pounds per day. Example 1.78 pounds.

Generally, from 60 to 110 pounds, a pig will eat about 5 pounds of feed per day and should gain about 1.5 pounds per day. As the pig approaches 200 pounds, it will eat about 8 pounds of feed per day and should gain about 2 pounds per day.

Item 4 Last, calculate the estimated weight of your pig on the show date.

Multiply Item 1 by Item 3, then add the answer to Item 2; this value is the estimated pig weight on the show date.

Example calculation:

Item 1 = 121 days until show

Item 2 = 59 pounds, initial pig weight

Item 3 = 1.78 average daily gain

Item 4 = 274 pounds of weight on show date

(Item 1 x Item 3) + Item 2 = Item 4.

(121 days x 1.78 lb ADG) + 59-lb pig

= 274-lb pig at the show

 

A show weight calculator to assist with the purchase and growth management of your show pig is available in an excel spreadsheet. Go to http://extension.msstate.edu/agriculture/livestock/swine, and scroll down the page to Other Information/Show Weight Calculator (Excel file).

 

 

Table 7. To Determine Number of Days from Purchase to Show (February 3, 2018)

Example
Purchase date
Show Date
Number of days to show


October 7, 2017
February 3, 2018
119

Pig purchase
date

Number of
days to show

Pig purchase
date

Number of
days to show

Pig purchase
date

Number of
days to show

Passed
ownership
deadline

Number of
days to show

Passed
ownership
deadline

Number of
days to show

1-Sep

155

5-Oct

121

8-Nov

87

12-Dec

53

15-Jan

19

2-Sep

154

6-Oct

120

9-Nov

86

13-Dec

52

16-Jan

18

3-Sep

153

7-Oct

119

10-Nov

85

14-Dec

51

17-Jan

17

4-Sep

152

8-Oct

118

11-Nov

84

15-Dec

50

18-Jan

16

5-Sep

151

9-Oct

117

12-Nov

83

16-Dec

49

19-Jan

15

6-Sep

150

10-Oct

116

13-Nov

82

17-Dec

48

20-Jan

14

7-Sep

149

11-Oct

115

14-Nov

81

18-Dec

47

21-Jan

13

8-Sep

148

12-Oct

114

15-Nov

80

19-Dec

46

22-Jan

12

9-Sep

147

13-Oct

113

16-Nov

79

20-Dec

45

23-Jan

11

10-Sep

146

14-Oct

112

17-Nov

78

21-Dec

44

24-Jan

10

11-Sep

145

15-Oct

111

18-Nov

77

22-Dec

43

25-Jan

9

12-Sep

144

16-Oct

110

19-Nov

76

23-Dec

42

26-Jan

8

13-Sep

143

17-Oct

109

20-Nov

75

24-Dec

41

27-Jan

7

14-Sep

142

18-Oct

108

21-Nov

74

25-Dec

40

28-Jan

6

15-Sep

141

19-Oct

107

22-Nov

73

26-Dec

39

29-Jan

5

16-Sep

140

20-Oct

106

23-Nov

72

27-Dec

38

30-Jan

4

17-Sep

139

21-Oct

105

24-Nov

71

28-Dec

37

31-Jan

3

18-Sep

138

22-Oct

104

25-Nov

70

29-Dec

36

 

 

19-Sep

137

23-Oct

103

26-Nov

69

30-Dec

35

1-Feb

2

20-Sep

136

24-Oct

102

27-Nov

68

31-Dec

34

2-Feb

1

21-Sep

135

25-Oct

101

28-Nov

67

 

 

3-Feb

0

22-Sep

134

26-Oct

100

29-Nov

66

1-Jan

33

4-Feb

 

23-Sep

133

27-Oct

99

30-Nov

65

2-Jan

32

5-Feb

 

24-Sep

132

28-Oct

98

Ownership Deadline

3-Jan

31

6-Feb

 

25-Sep

131

29-Oct

97

1-Dec

64

4-Jan

30

7-Feb

 

26-Sep

130

30-Oct

96

2-Dec

63

5-Jan

29

8-Feb

 

27-Sep

129

31-Oct

95

3-Dec

62

6-Jan

28

9-Feb

 

28-Sep

128

 

 

4-Dec

61

7-Jan

27

10-Feb

 

29-Sep

127

1-Nov

94

5-Dec

60

8-Jan

26

11-Feb

 

30-Sep

126

2-Nov

93

6-Dec

59

9-Jan

25

12-Feb

 

 

 

3-Nov

92

7-Dec

58

10-Jan

24

13-Feb

 

1-Oct

125

4-Nov

91

8-Dec

57

11-Jan

23

14-Feb

 

2-Oct

124

5-Nov

90

9-Dec

56

12-Jan

22

15-Feb

 

3-Oct

123

6-Nov

89

10-Dec

55

13-Jan

21

16-Feb

 

4-Oct

122

7-Nov

88

11-Dec

54

14-Jan

20

17-Feb

 

 

Summary

Careful attention to the pig’s growth rate can identify other management practices that may need attention. If the rate of growth is less than you expect, consider other influences you may need to address, such as health status, animal comfort (housing conditions), and dietary concerns. The information in this publication can help you monitor and adjust the growth of the pig throughout the feeding period before the show. Purchasing a show pig that is the correct weight for the intended show gives you a good beginning to your swine project.


Publication 2516 (POD-10-17)

By Dr. Mark A. Crenshaw, Extension Professor, Animal & Dairy Sciences.

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Extension Swine/Mississippi Pork Producers Association Executive Secretary

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