standardized ileal digestible lysine
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Author(s):  
A K Blomme ◽  
H K Wecker ◽  
M D Tokach ◽  
J C Woodworth ◽  
C R Stark ◽  
...  

Abstract This study aimed to estimate the net energy (NE) value of expelled, extruded soybean meal (MSBM) relative to dehulled, solvent-extracted soybean meal (SSBM) and determine its effects on growth performance of late nursery pigs. A total of 297 pigs (DNA 241 x 600) were weaned (BW 5.10 kg) and placed into 60 pens (2 rooms of 30 pens) with 5 pigs per pen balanced by gender and weaning weight. Pigs were fed a common diet for 21 days. Then, pens of pigs (BW 9.3 kg) were randomly assigned to one of five treatments to provide 12 replications per treatment. Treatments consisted of increasing amounts of MSBM replacing SSBM in the diet (0, 25, 50, 75, 100%). All diets were fed for 28 days and were formulated to 1.30% standardized ileal digestible lysine and met or exceeded NRC (2012) recommendations for amino acids, calcium, and phosphorus. The SSBM diet was formulated to 2,421 kcal/kg and NE was not balanced between diets. Analyzed values for CP, EE, CF, and total lysine for the SSBM were 47.28%, 0.47%, 3.80%, and 3.00% while the MSBM contained 47.41%, 6.88%, 5.32%, and 2.99% respectively. The MSBM had increased values for KOH solubility and trypsin inhibitor (83.62% and 7,026 TIU/g) compared to the SSBM (73.05% and 3,011 TIU/g) while urease activity was similar between the two (0.03 and 0.02 Δ pH, respectively). Data were analyzed using Proc GLIMMIX (SAS 9.4; Cary, NC) with pen as the experimental unit and room as the blocking factor. There was no evidence of differences in ADG and ADFI in pigs fed diets with increasing concentrations of MSBM. Pigs fed diets with increasing concentrations of MSBM had improved (linear, P < 0.001) G:F and caloric efficiency on an NE basis. Using caloric efficiency to estimate NE of the MSBM relative to SSBM, MSBM was estimated to have a value of 2,566 kcal/kg. In conclusion, MSBM contains approximately 123% of the energy of SSBM, which improved feed efficiency when fed to nursery pigs.


animal ◽  
2021 ◽  
Vol 15 (7) ◽  
pp. 100221
Author(s):  
Lori L. Thomas ◽  
Lauren K. Herd ◽  
Robert D. Goodband ◽  
Mike D. Tokach ◽  
Jason C. Woodworth ◽  
...  

2021 ◽  
Vol 99 (Supplement_1) ◽  
pp. 27-28
Author(s):  
Allison K Blomme ◽  
Haley Wecker ◽  
Charles R Stark ◽  
Chad B Paulk

Abstract This study aimed to estimate the net energy value of expelled, extruded soybean meal (MSBM) relative to dehulled, solvent-extracted soybean meal (SBM) and determine its effects on growth performance of late nursery pigs. Analyzed values for CP, EE, CF, and lysine for the SBM were 47.28%, 0.47%, 3.80%, and 3.00% while the MSBM contained 47.41%, 6.88%, 5.32%, 2.99% respectively. A total of 297 pigs (DNA 200 x 400) were placed into 60 pens (2 rooms of 30 pens) with 5 pigs per pen balanced by gender and weaning weight. Pigs were fed common diets for 21 days. Then, pens of pigs (BW 9.3 kg) were randomly assigned to one of five treatments to provide 12 replications per treatment. Treatments consisted of increasing amounts of MSBM replacing SBM in the diet (0, 25, 50, 75, 100%). All diets were fed for 28 days and were formulated to 1.30% standardized ileal digestible lysine and met or exceeded NRC (2012) recommendations for lysine:amino acids, calcium, and phosphorus. The SBM diet was formulated to 2421 kcal/kg and net energy (NE) was not balanced between diets. Data were analyzed using Proc GLIMMIX (SAS 9.4; Cary, NC) with pen as the experimental unit and room as the blocking factor. There was no evidence of differences in ADG and ADFI in pigs fed diets with increasing concentrations of MSBM. Pigs fed diets with increasing concentrations of MSBM had improved (linear, P < 0.001) G:F and caloric efficiency on an NE basis. In conclusion, using caloric efficiency to estimate NE of the MSBM relative to SBM, MSBM was estimated to have a value of 123% of SBM NE or 2566 kcal/kg. This increase in NE resulted in improved feed efficiency of nursery pigs.


2021 ◽  
pp. 104500
Author(s):  
L.L. Thomas ◽  
R.D. Goodband ◽  
M.D. Tokach ◽  
J.C. Woodworth ◽  
J.M. DeRouchey ◽  
...  

Author(s):  
Rafe Q. Royall ◽  
Robert D. Goodband ◽  
Mike D. Tokach ◽  
Joel M DeRouchey ◽  
Jordan T. Gebhardt ◽  
...  

Author(s):  
Rafe Q. Royall ◽  
Robert D. Goodband ◽  
Mike D. Tokach ◽  
Joel M DeRouchey ◽  
Jordan T. Gebhardt ◽  
...  

Author(s):  
Larissa L. Becker ◽  
Emily E Scholtz ◽  
Joel M DeRouchey ◽  
Mike D. Tokach ◽  
Jason C. Woodworth ◽  
...  

Author(s):  
Rafe Q. Royall ◽  
Robert D. Goodband ◽  
Mike D. Tokach ◽  
Joel M DeRouchey ◽  
Jordan T. Gebhardt ◽  
...  

Author(s):  
Larissa L. Becker ◽  
Emily E. Scholtz ◽  
Joel M DeRouchey ◽  
Mike D. Tokach ◽  
Jason C. Woodworth ◽  
...  

Author(s):  
Rafe Q. Royall ◽  
Robert D. Goodband ◽  
Mike D. Tokach ◽  
Joel M DeRouchey ◽  
Jordan T. Gebhardt ◽  
...  

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