scholarly journals Nursery pig growth response to feed ingredients and feed additives: I). Spray-dried blood plasma vs. spray-dried egg effect on nursery pig growth performance II). Effect of α-galactosidase and citric acid on nursery pig growth performance when added to a corn-soybean meal diet

2014 ◽  
Author(s):  
Elizabeth Kaye Pegg
2021 ◽  
Vol 99 (Supplement_3) ◽  
pp. 395-396
Author(s):  
Hansol Kim ◽  
Beob Gyun G Kim

Abstract The objectives were to determine the digestible energy, standardized ileal digestibility of AA, and growth performance of dietary spray-dried plasma protein (SDPP) in nursery pigs. In Exp. 1, twelve nursery barrows (9.8 ± 0.9 kg) were assigned to a quadruplicated 3 × 2 Latin square design with 3 diets and 2 periods. Each period consisted of 5 days of adaptation, 2 days of fecal sampling, and 2 days of ileal collection. A basal diet was composed of corn, soybean meal, dried whey, and sucrose as the sole energy and AA sources. Experimental diets were prepared by replacing 15% of the energy and AA sources in the basal diet with SDPP 1 (manufactured in the US; 78.2% CP and 4,862 kcal GE/kg as-is) or SDPP 2 (manufactured in Korea; 74.3% CP and 4,636 kcal GE/kg as-is). Spray-dried plasma protein 1 had greater digestible energy (4,799 vs. 4,469 kcal/kg as-is; P < 0.05), but less (P < 0.05) standardized ileal digestibility of lysine, methionine, tryptophan, and threonine compared with SDPP 2. In Exp. 2, eighty-four nursery pigs (7.9 ± 0.7 kg) were allotted to 3 dietary treatments in a randomized complete block design with 7 replicate pens and 4 pigs per pen. Three corn-soybean meal-whey-based diets contained fish meal (6% and 3.5% for d 0 to 14 and d 14 to 28, respectively), SDPP 1 (4.5% and 2.7%), or SDPP 2 (5% and 3%) to maintain same energy and nutrient concentrations. During d 0 to 14 and overall period, pigs fed the diets containing SDPP gained more weight (P < 0.05) than those fed the fish meal diet with no difference between 2 sources of SDPP. Overall, 2 sources of SDPP have different energy concentrations and AA digestibility, but similar growth promoting effects in nursery pigs.


Author(s):  
Alice W Mwaniki ◽  
R Quincy Buis ◽  
David Trott ◽  
Lee-Anne Huber ◽  
Chengbo Yang ◽  
...  

Abstract Comparative efficacy of deoxynivalenol (DON) detoxifying feed additives (FA) was evaluated in growth performance (Exp. 1) and apparent total tract digestibility (ATTD) (Exp. 2) nursery pig studies. Six corn-soybean-meal based diets were used: 1) positive control (PC, formulated with <1.5 ppm DON corn), negative control (NC, formulated with 5.5 ppm DON corn), NC+FA1 (clay plus yeast cell wall extract), NC+FA2 (aluminosilicate), NC+FA3 (aluminosilicate plus fungal extract), and NC+FA4 (Sodium metabisulfite, SMB). In Exp. 1, 144 pigs [(Body weight (BW), 10.2±0.1kg)] were housed (4 pigs/pen), allocated to diets (n=6) based on BW, and fed for 4-wk. The BW and feed intake were monitored weekly. On d 7, one pig/pen was bled for plasma and euthanized for organ weight and tissue samples. Assayed DON concentration in PC, NC, NC+FA4 was 0.29, 2.86 and 1.21 ppm, respectively. In wk-1, the ADG of pigs fed NC+FA4 was not different (P>0.05) to that of pigs fed PC diet but greater (P=0.01) than for pigs fed NC without or with other FA. Pigs fed NC and NC+FA2 had lower (P=0.026) ADFI than pigs fed PC and NC+FA3. Pigs fed NC+FA4 had greater (P=0.003) G:F than pigs fed the other diets. Diets had no effect (P>0.05) on ADG, ADFI, and G: F after first week, plasma concentration of urea and creatinine or liver and spleen weight. Pigs fed NC diets had greater (P=0.01) jejunal mRNA expression of superoxide dismutase 1 relative to pigs fed PC or NC plus FA. Jejunal histomorphology and mRNA expression of nutrient transporters, inflammatory cytokines and tight junction proteins and ceca digesta concentration of short chain fatty acids were not affected (P>0.05) by the diet. In Exp. 2, 24 barrows (BW 10.2 ± 0.3 kg) were individually placed in metabolism crates and allocated to four diets: PC, NC, NC+FA3 and NC+FA4 (n=6) containing TiO2 as digestibility marker. Pigs were adjusted to diets for 5 d, followed by a 2-d grab fecal sample collection. Pigs fed PC and NC+FA4 diets had higher ATTD of dry matter, gross energy, and crude protein than NC fed pigs. The FA3 was intermediate in digestibility response. In conclusion, feed additives containing sequestering component plus fungal extract or SMB in DON-contaminated feed resulted in commensurate nursery pig performance to PC. The tested feed additives mitigated intestinal oxidative stress through decreased expression of genes for superoxide dismutase.


2019 ◽  
Vol 97 (Supplement_2) ◽  
pp. 143-144
Author(s):  
Youngji Rho ◽  
Conor Voth ◽  
Quincy Buis ◽  
David Trott ◽  
Lee-Anne Huber ◽  
...  

Abstract Four commercial feed additives (CFA) were evaluated for efficacy in detoxifying deoxynivalenol (DON) in diets fed to 144 nursery pigs (BW 9.80+/- 0.5kg; 2 gilts, and 2 barrows/pen). Six test corn-soybean-meal based diets were: 1) positive control (PC), formulated with clean corn (NC), 2) formulated with contaminated corn (5.5 ppm DON), 3) NC with enzyme+binder1 (NCB1), 4) NC with clay (NCC), 5) NC with enzyme+binder2 (NCB2) and 6) NC with sodium metabisulfite (NCP). Diets were allocated to pens (n = 6) based on BW and fed ad-libitum for 4-wk; BW and feed intake were monitored weekly. At the end of wk-1, one pig/pen was euthanized for tissue collection. Assayed DON concentration for PC, NC, NCB1, NCC, NCB2 and NCP were 0.38, 2.3, 2.3, 2.3, 2.4, and 1.9 ppm, respectively. Diet effects were only observed for ADG and G:F in wk-1; pigs fed NCP had higher (P = 0.01) ADG compared to pigs fed NC and NCC, whilst pigs fed other diets had intermediate and similar ADG (P > 0.05) to pigs fed NC or NCC. Pigs fed NCP showed higher (P = 0.02) G:F relative to pigs fed other diets. The final BW was 31.3, 30.8, 30.4, 30.8, 31.1 and 32.2kg for PC, NC, NCB1, NCC, NCB2 and NCP-fed pigs, respectively. There were no (P > 0.05) diet effects on ADFI throughout the study. There was no (P > 0.05) diet effects on liver and spleen weight, jejunum morphology and concentration of plasma creatinine and urea. Ceca digesta concentration of citric acid was higher (P = 0.03) in pigs fed NCP than pigs fed NCB2. In conclusion, the lack of differences between PC and NC suggested pigs were tolerant to higher DON levels than the regulated dietary maximum of 1 ppm. Improved ADG and G:F due to NCP vs. NC was transient and was not linked to physiological responses.


2018 ◽  
Vol 3 (1) ◽  
pp. 378-383 ◽  
Author(s):  
Aaron M Jones ◽  
Fangzhou Wu ◽  
Jason C Woodworth ◽  
Steve S Dritz ◽  
Mike D Tokach ◽  
...  

Abstract Increasing dietary electrolyte balance (dEB) has been reported to linearly improve pig growth performance up to approximately 200 to 250 mEq/kg. However, recent data indicate that increasing dietary dEB reduced growth performance of nursery pigs. To attempt to solve this discrepancy, a total of 2,880 weanling pigs (327 × 1,050; PIC, Hendersonville, TN; 5.2 kg initial BW) were used to determine the effects of increasing dEB on nursery pig performance. Pens of pigs were blocked by BW and gender on arrival. Within block, pens were randomly assigned to one of four dietary treatments. There were 30 pigs per pen (60 pigs per double-sided feeder) and 12 replications (feeder) per treatment. Dietary treatments were fed in two phases. The phase 1 diet was based on corn–soybean meal, contained dried distillers grains with soblubles (DDGS), spray-dried whey, and specialty protein sources, and was fed from days 0 to 8. The phase 2 (days 8 to 21) diets contained corn, soybean meal, and DDGS with reduced amounts of specialty protein sources. Dietary electrolyte balance was determined using the following equation: dEB = [(Na × 434.98) + (K × 255.74) − (Cl × 282.06)] mEq/kg. The dEB of the four phase 1 diets were 84, 137, 190, and 243 mEq/kg, and dEB of the four phase 2 diets were 29, 86, 143, and 199 mEq/kg. After feeding experimental diets for 21 day, a common, commercial corn–soybean meal diet was fed to all pigs from days 21 to 35 and contained a dEB of 257 mEq/kg. During days 0 to 8, increasing dEB increased (quadratic, P < 0.05) ADG, ADFI, and G:F. From days 8 to 21, increasing dEB improved ADG (quadratic, P = 0.022) and ADFI (linear, P = 0.001), resulting in an improvement (quadratic, P = 0.001) in G:F. Overall (days 0 to 21), increasing dEB increased (linear, P < 0.05) ADG, ADFI, and improved (quadratic, P < 0.001) G:F. When a common diet was fed to all pigs from days 21 to 35, there was a linear reduction in ADG and G:F with increasing dietary dEB, but no effect of ADFI. For the overall nursery period (days 0 to 35), increasing dEB from days 0 to 21 increased (linear, P < 0.001) ADG and final BW, which was the result of increased (quadratic, P < 0.05) G:F and marginally greater (linear, P = 0.077) ADFI. In conclusion, increasing dietary dEB up to 243 and 199 mEq/kg (in phases 1 and 2, respectively) in nursery diets improved growth performance of weanling pigs.


2015 ◽  
Vol 18 (01) ◽  
pp. 111-116 ◽  
Author(s):  
Syed Zakir Hussain Shah ◽  
Muhammad Afzal ◽  
Aneesa Akmal ◽  
Mahroze Fatima ◽  
Syed Makhdoom Hussain

2021 ◽  
Vol 99 (Supplement_1) ◽  
pp. 97-98
Author(s):  
Marissa LaRosae ◽  
Thomas S Shieh ◽  
Shelby Nosbisch ◽  
Roger Walk ◽  
Ryan S Samuel ◽  
...  

Abstract A 42-d commercial nursery study was conducted utilizing 1,296 pigs (DNA genetics, BW: 5.27 ± 0.05 kg; 21-d of age) that evaluated the efficacy of replacing animal protein products while also reducing SID Lys in nursery pig diets with a bioactive peptide-based feed additive program on growth performance, efficiency, health and well-being, and profitability. The dietary treatments were applied over 3 phases (PH) and were fed based on a feed budget: PH1: 2.27 kg/pig [Positive Control (PC): 1.46% SID Lys; 3,415 kcal/kg ME]; PH2: 4.54 kg/pig (PC: 1.42% SID Lys; 3,395 kcal/kg ME); and PH3: 15.88 kg/pig (1.26% SID Lys; 3,395 kcal/kg ME). The four dietary treatments were: 1) PC: complex diet in PH1-2 and standard diet in PH3; 2) negative control (NC): diet in PH1-2 devoid of fishmeal and spray-dried plasma and -0.10% SID Lys compared to the PC and PH3 the same as the PC; 3) PEP1 in PH1-2 was the NC diets plus Peptiva® Maximo (Vitech Bio-Chem Corp., Orange, CA) fed at 0.25% and in PH3 the PC + Peptiva® Optimo fed at 0.1%; 4) PEP2 in PH1-2 was the NC diets plus Peptiva® Maximo fed at 0.50% and in PH3 the PC plus Peptiva® Optimo fed at 0.2%. Pen weights of pigs and pen feed consumption were evaluated in 2-wk increments and overall. Additionally, animal health and well-being and economics were evaluated for the entire nursery program. Overall, pigs fed the PEP1 diets had a better FCR (with or without mortality adjustments) than either control group, while the PEP2 group was intermediate. These results indicate that highly digestible proteins, such as fish meal and spray-dried plasma, can be removed from early nursery diets while supplementing with bioactive-peptide feed additive strategy to optimize performance and economics of production.


2018 ◽  
Vol 2 (2) ◽  
pp. 144-155 ◽  
Author(s):  
Aaron M Jones ◽  
Fangzhou Wu ◽  
Jason C Woodworth ◽  
Mike D Tokach ◽  
Robert D Goodband ◽  
...  

Abstract Three experiments were conducted to determine the effects of fish meal source on nursery pig growth performance. In experiment 1, 250 pigs (PIC 327 × 1,050, initially 7.1 ± 1.00 kg) were fed either a corn-soybean meal-based diet, a diet containing 8.3% enzymatically treated soybean meal (HP 300, Hamlet Protein, Findlay, OH), or diets containing 6% fish meal from one of three sources (IPC 790, The Scoular Company, Minneapolis, MN; Special Select Menhaden, Omega Proteins, Houston, TX; LT Prime Menhaden, Daybrook Fisheries Inc., New Orleans, LA; source 1, 2, and 3, respectively). In a completely randomized design, there were five pigs per pen and 10 pens per treatment with diets fed for 13 d. There was no evidence for differences in ADG or ADFI among pigs fed the three fish meal sources; however, pigs fed source 1 had marginally decreased (P = 0.068) G:F compared with pigs fed diets with other protein sources. In experiment 2, 350 barrows (DNA Line 200 × 400; initially 6.5 ± 0.90 kg) were assigned to one of seven dietary treatments including the same control diet and diets containing the three fish meal sources used in experiment 1, but fed at 3% or 6%. There were five pigs per pen and 10 pens per treatment with diets fed for 14 d. A source × level interaction (linear, P < 0.05) for ADG and G:F was observed. Increasing fish meal source 1 increased ADG and G:F; however, pigs fed source 2 had improved ADG and G:F at 3%, but decreased performance at 6% compared with control pigs. Pigs fed source 3 had no further improvements in ADG or G:F beyond the 3% inclusion. Fishmeal analysis for total volatile N, and modified Torry digestibility did not appear to correspond with any growth performance differences measured in experiments 1 or 2. In experiment 3, 700 barrows (DNA Line 200 × 400, initially 6.5 ± 0.84 kg) were fed a control diet or four diets with 6% fish meal (source 3) containing either 0.87%, 8.70%, 16.52%, or 24.35% fish solubles. There were five pigs per pen and 28 pens per treatment with diets fed for 21 d. Overall, pigs fed diets with fish meal had increased (P < 0.05) ADG and ADFI compared with pigs fed the control diet. There was no evidence for differences in growth performance as fish solubles increased. In conclusion, inconsistencies were observed in growth responses to different fish meal sources, but the amount of fish solubles, total volatile N, or modified Torry digestibility of fishmeal does not appear to explain these differences.


Author(s):  
Wade M Hutchens ◽  
Mike D Tokach ◽  
Steve S Dritz ◽  
Jordan Gebhardt ◽  
Jason C Woodworth ◽  
...  

Abstract This experiment was conducted to evaluate potential replacements for pharmacological levels of Zn (provided by Zn oxide), such as diet acidification (sodium diformate), and low dietary crude protein (CP: 21 vs 18%) on nursery pig performance and fecal dry matter (DM). A total of 360 weaned pigs (Line 200 × 400, DNA, Columbus, NE; initially 5.90 ± 0.014 kg) were used in a 42-d growth study. Pigs were weaned at approximately 21-d of age and randomly assigned to pens (5 pigs per pen). Pens were then allotted to 1 of 8 dietary treatments with 9 pens per treatment. Experimental diets were fed in two phases: Phase 1 from weaning to d 7 and phase 2 from d 7 to 21; with all pigs fed the same common diet from d 21 to 42. The eight treatment diets were arranged as a 2 × 2 × 2 factorial with main effects of Zn (110 mg/kg from d 0 to 21 or 3,000 mg/kg from d 0 to 7, and 2,000 mg/kg from d 7 to 21), diet acidification, (without or with 1.2% sodium diformate), and dietary CP (21 or 18%, 1.40 and 1.35% in Phase 1 and 2 vs 1.20% standardized ileal digestible Lys, respectively). Fecal samples were collected weekly from the same 3 pigs per pen to determine DM content. No 2- or 3-way interactions (P > 0.05) were observed throughout the 42-d study for growth performance; however, there was a Zn × acidifier × CP interaction (P < 0.05) for fecal DM on d 7 and for the overall average of the 6 collection periods. Reducing CP without acidification or pharmacological levels of Zn increased fecal DM, but CP had little effect when ZnO was present in the diet. From d 0 to 21, significant (P < 0.05) main effects were observed where average daily gain (ADG) and gain:feed (G:F) increased for pigs fed pharmacological levels of Zn, sodium diformate, or 21% CP (P < 0.065). In the subsequent period (d 21 to 42) after the experimental diets were fed, there was no evidence of difference in growth performance among treatments. Overall (d 0 to 42), main effect tendencies were observed (P < 0.066) for pigs fed added Zn or sodium diformate from d 0 to 21 whereas pigs fed 21% CP had greater G:F than those fed 18% CP. Pig weight on d 42 was increased by adding Zn (P < 0.05) or acidifier (P < 0.06) but not CP. In summary, none of the feed additives had a major influence on fecal DM, but dietary addition of pharmacological levels of Zn or sodium diformate independently improved nursery pig performance.


Author(s):  
B W James ◽  
M J Webster ◽  
Joel M DeRouchey ◽  
Michael D Tokach ◽  
Jim L Nelssen ◽  
...  

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