Dietary supplementation of ferulic acid improves performance and alleviates oxidative stress of lambs in a cold environment

2019 ◽  
Vol 99 (4) ◽  
pp. 705-712 ◽  
Author(s):  
Yuan Wang ◽  
Wenwen Wang ◽  
Ruifang Wang ◽  
Ziqi Meng ◽  
Yuanxiao Duan ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Ferulic Acid ◽  
Growth Performance ◽  
Average Daily Gain ◽  
Dietary Supplementation ◽  
Neutral Detergent Fiber ◽  
Cold Environment ◽  
Plasma Glutathione Peroxidase ◽  
Mda Content ◽  
Dietary Treatments

Ferulic acid (FA) has been regarded as an antioxidant in domestic animals’ feed. This study was to investigate whether dietary FA supplementation could improve growth performance by decreasing oxidative stress of lambs in cold environment. Thirty-two 3-mo-old crossbred male lambs (Dorper × Small-tail Han sheep; 30.49 ± 0.46 kg) were randomly assigned into one of the following dietary treatments: CON (control, no FA), FA80 (80 mg FA kg−1of diet), FA400 (400 mg FA kg−1of diet), and FA2000 (2000 mg FA kg−1of diet). Lambs fed the FA80 had higher (P < 0.05) average daily gain and lower (P < 0.05) feed efficiency than those fed CON and FA2000. The dry matter, organic matter, and neutral detergent fiber apparent digestibility was lower (P < 0.05) for FA2000 lambs than for lambs from other treatments. Serum total protein and albumin concentrations were greater (P < 0.05) for FA80 group than other groups. Lambs fed FA80 had higher (P < 0.05) plasma glutathione peroxidase and catalase activities and lower (P < 0.05) malondialdehyde (MDA) content than lambs fed CON. However, FA2000 group showed higher (P < 0.05) plasma MDA content than CON group. In conclusion, dietary supplementation of 80 mg FA kg−1diet could improve growth performance by decreasing oxidative stress of lambs in cold environment.

Effects of dietary Korean garlic extract aged by Leuconostoc mesenteroides KCCM35046 on growth performance, digestibility, blood profiles, gas emissions, and microbiota in weanling pigs

2020 ◽  
Vol 100 (3) ◽  
pp. 462-469
Author(s):  
J.H. Cho ◽  
S.D. Liu ◽  
I.H. Kim
Keyword(s):  
Growth Performance ◽  
Average Daily Gain ◽  
Dietary Supplementation ◽  
Experimental Unit ◽  
Feed Conversion ◽  
Weanling Pigs ◽  
Gas Emissions ◽  
E Coli ◽  
Gross Energy ◽  
Dietary Treatments

A total of 150 crossbred pigs [(Duroc × Yorkshire) × Landrace; body weight (BW) = 5.74 ± 1.15 kg; weaned at day 21 after birth] were assigned to one of five dietary treatments (six pens per treatment and five pigs per pen) by BW and sex (two barrows and three gilts) for a 6 wk experiment. The pen was considered the experimental unit in the statistical model. Treatments were corn–soybean meal diets supplemented with 0.0033% tiamulin as well as 0%, 0.05%, 0.10%, or 0.20% fermented garlic (FG). The average daily gain, average daily feed intake (ADFI), and feed conversion ratio were linearly (p < 0.05) increased by FG inclusion during days 21–42 and days 0–42. Dietary supplementation of FG linearly increased (p < 0.05) the coefficient of apparent total tract digestibility of dry matter, nitrogen, and gross energy as well as blood immunoglobulin G concentration during week 6. The fecal ammonia (NH3), total mercaptan emissions, and Escherichia coli counts were linearly (p < 0.05) reduced by FG in the diet. Dietary supplementation of FG increased (p < 0.05) ADFI during days 21–42 and days 0–42 and reduced (p < 0.05) fecal NH3 emissions compared with pigs fed tiamulin. In conclusion, the results indicate that FG can enhance growth performance and digestibility, and reduce fecal E. coli counts as well as fecal gas emissions in weanling pigs.

scholarly journals The Inclusion of Black Cumin Meal Improves Growth Performance of Growing Awassi Lambs

2020 ◽  
Vol 7 (2) ◽  
pp. 40
Author(s):  
Belal S. Obeidat
Keyword(s):  
Growth Performance ◽  
Nigella Sativa ◽  
Average Daily Gain ◽  
Nutrient Digestibility ◽  
Metabolizable Energy ◽  
Neutral Detergent Fiber ◽  
Black Cumin ◽  
Daily Body Weight ◽  
Dietary Treatments ◽  
Awassi Lambs

Twenty-four Awassi lambs were randomly divided into two dietary treatments to assess the influence of black cumin meal (BCM; Nigella sativa L.) feeding on growth performance. Diets were no BCM (CON) or 150 g BCM/kg DM (BCM150)). Lambs were fed the experimental diets for 80 days. Lambs were housed randomly in individual pens that were fitted with water and feed containers. During the study, nutrient intake was measured daily. Body weight (BW) and average daily gain (ADG) were evaluated biweekly. Nutrient digestibility and nitrogen (N) balance were evaluated on days 49–59. Intakes of dry matter, crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF), ether extract (EE) and metabolizable energy were greater (p ≤ 0.05) in the BCM150 diet than in the CON diet. The digestibility of DM, CP and EE (p ≤ 0.04) was improved in the BCM150 diet compared to the CON diet. However, NDF and ADF digestibility did not differ between the two diets. Nitrogen retained (g/d; p = 0.01) and N retention (%; p = 0.05) was greater in the BCM150 compared with CON diet. Final BW, ADG, and feed efficiency (DM intake: kg of gain) was greater (p ≤ 0.002) in BCM150 lambs than the CON lambs. However, cost/kg of BW gain was lower in the BCM150 diet than in the CON diet. In conclusion, the inclusion of black cumin meal improved the growth performance and profits in diets of growing lambs. Therefore, it could be used as an alternative to soybean meal and barley as a protein and energy supplement, respectively.

308 Effects of Roughage Source on Growth Performance, Carcass Characteristics, and Rumination Time of Beef Steers Fed Steam-flaked Corn Finishing Diets

2021 ◽  
Vol 99 (Supplement_3) ◽  
pp. 168-168
Author(s):  
Wyatt N Smith ◽  
Catherine L Lockard ◽  
Caleb G Lockard ◽  
Megan Homolka ◽  
Kendall Karr ◽  
...  
Keyword(s):  
Growth Performance ◽  
Average Daily Gain ◽  
Neutral Detergent Fiber ◽  
Beef Steers ◽  
Final Body Weight ◽  
Finishing Diets ◽  
Randomized Design ◽  
Penn State ◽  
Dietary Treatments ◽  
Particle Separator

Abstract We hypothesized that roughage source would not impact rumination time and growth performance if the different sources provided a similar concentration of dietary neutral detergent fiber (NDF) and physically effective NDF (peNDF). This experiment’s objective was to evaluate rumination time, and growth performance steers consuming finishing diets with differing roughage sources (corn stalks, cotton burrs, or wheat silage). Beef steers (n = 49; BW = 317 + 5.6 kg) were used in a completely randomized design with 3 dietary treatments. Steers consumed a steam-flaked corn-based diet containing corn stalks (CS), cotton burrs (CB), or wheat silage (WS) included at 7% (DM basis). Dietary NDF was similar (P = 0.36) across treatments. Each steer was fitted with a sensory collar to record daily rumination. Weekly ingredient and dietary samples were estimated for physically effective NDF (epeNDF) using the Penn State Particle Separator. Actual physically effective NDF (apeNDF) was calculated based upon rumination time. Neither initial nor final body weight (BW) differed between treatments (P &gt; 0.52); nor did average daily gain (ADG), dry matter intake or carcass adjusted variables of FBW, ADG, empty BW, or empty body fat (P &gt; 0.31). However, gain to feed (G:F) tended to differ (P = 0.06) between treatments. The CS diet had the greatest G:F with no difference (P = 0.75) between CB and WS. Dietary NDF and epeNDF were similar (P &gt; 0.35) among roughage sources; however, CB had the least apeNDF, consistent with lower rumination time (P &lt; 0.01). When energy values were calculated from animal performance, the CS diet had the greatest observed energy values, followed by WS and CB having the least. These results indicate roughage source impacted rumination time, although steers were fed a steam-flaked corn-based finishing diet with similar dietary roughage and NDF inclusions.

scholarly journals Effect of Physical Form and Level of Wheat Straw Inclusion on Growth Performance and Blood Metabolites of Fattening Goat

Animals ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. 1861
Author(s):  
Muhammad I. Malik ◽  
Muhammad A. Rashid ◽  
Muhammad S. Yousaf ◽  
Saima Naveed ◽  
Khalid Javed ◽  
...  
Keyword(s):  
Growth Performance ◽  
Wheat Straw ◽  
Hematological Parameters ◽  
Average Daily Gain ◽  
Neutral Detergent Fiber ◽  
Blood Metabolites ◽  
Ruminal Acidosis ◽  
Physical Form ◽  
Dietary Treatments ◽  
Daily Gain

The inclusion of straw in high concentrate total mixed rations (TMRs) of male fattening goats can provide the necessary fiber to prevent ruminal acidosis and maintain growth. The objective of this study was to evaluate the effects of the physical form (PF) of the diet (pelleted vs. conventional) and the straw level (SL) of wheat straw (WS) (15% versus 25%) in total mixed rations on feed intake, growth, total tract digestibility, and blood metabolites of fattening goats. Thirty-two male Beetal goats (27.4 ± 0.28 kg body weight (BW)) were divided randomly into the following four dietary treatments with a 2 × 2 factorial arrangement (n = 8/treatment): (1) CTMR15 (conventional TMR containing 15% WS), (2) CTMR25 (conventional TMR containing 25% WS), (3) PTMR15 (pelleted TMR containing 15% WS), and (4) PTMR25 (pelleted TMR containing 25% WS). Both conventional and pelleted 15% WS TMR had 33.7% neutral detergent fiber (NDF) and 19.3% acid detergent fiber (ADF), whereas in 25% WS TMR the NDF and ADF contents were 38.7% and 22.9%, respectively. The experimental diets were formulated to be iso-nitrogenous (crude protein (CP) = 15%). The dry matter intake (DMI) (1.265 vs. 1.044 kg/day) and average daily gain (ADG) (0.176 vs. 0.143 kg/day) were higher (p < 0.05) in pelleted vs. conventional TMR-fed goats. Irrespective of the PF of the TMR, the 15% WS-fed animals had greater (p < 0.05) DMI (1.206 vs. 1.102 kg/day) and ADG (0.172 vs. 0.144 kg) when compared to those fed on 25% WS diets. Furthermore, feed-to-gain ratio (F:G) was higher (p < 0.05) in the 25% WS-fed goats when compared with the 15% WS-fed animals. Digestibility coefficients, nitrogen balancing, hepatic enzymes, blood metabolites, and hematological parameters were similar (p > 0.05) across all treatments. In conclusion, feeding pelleted TMR with WS improved DMI and growth performance as compared to those fed conventional TMR, and 15% WS performed better than 25% WS without exerting any adverse effects on blood metabolites, liver enzymes, or hematological parameters.

scholarly journals 73 Effects of dietary neutral detergent fiber and standardized ileal digestible lysine levels on growth performance and carcass characteristics of growing-finishing pigs

2020 ◽  
Vol 98 (Supplement_3) ◽  
pp. 57-58
Author(s):  
Uislei Orlando ◽  
Ning Lu ◽  
Carine Vier ◽  
Wayne Cast ◽  
Xun Zhou ◽  
...  
Keyword(s):  
Growth Performance ◽  
Block Design ◽  
Average Daily Gain ◽  
Neutral Detergent Fiber ◽  
Feed Ratio ◽  
Experimental Unit ◽  
Finishing Pigs ◽  
Dietary Treatments ◽  
Daily Gain ◽  
Standardized Ileal Digestible Lysine

Abstract Our objective was to determine the effects of feeding different neutral detergent fiber (NDF) and standardized ileal digestible (SID) lysine (Lys) levels on performance of growing-finishing pigs from 30- to 130-kg. A total of 2,016 barrows and gilts (PIC 280×Camborough, initial BW of 29.6±0.53 kg) were allotted to a randomized complete block design with a 2×2 factorial arrangement. Dietary treatments (Table 1) consisted with two NDF levels (13% or 20%) and two SID Lys curves (PIC2008 or PIC2016). There were 21 mixed-sex pigs per pen, and 24 pens per treatment. The experiment diets were fed in 3 phases. Wheat, wheat by-products, peas, and canola oil were used with NRC (2012) loading values to achieve treatments, and all diets were formulated to be iso-caloric (2,420 kcal NE/kg). Experimental data were analyzed using generalized linear mixed models with pen as the experimental unit. Increasing NDF level resulted in a reduction (P&lt; 0.05) in average daily gain (ADG), average daily feed intake, hot carcass weight, carcass yield, carcass ADG, and backfat depth (Table 2), and tended to decrease percentage of removals and mortality (P=0.10). Pigs fed PIC2016 Lys curve had greater ADG and carcass ADG as compared to those fed PIC2008 Lys curve (P&lt; 0.05). There were NDF×Lys interactions (P&lt; 0.10) for ADG, gain to feed ratio (G:F), carcass ADG, and carcass G:F. These response criteria were improved for pigs fed PIC2016 Lys curve compared to those fed PIC2008 Lys curve when NDF level was 13%; while no evidence of differences was observed at 20% NDF. Results indicate that increasing NDF level from 13 to 20% deteriorate performance of 30- to 130- kg pigs; and the improved growth performance of pigs fed PIC2016 Lys curve as compared to those fed PIC2008 Lys curve was only observed when lower NDF level was presented.

scholarly journals Dietary Daidzein Supplementation Improved Growth Performance and Antioxidant Properties in Weaned and Growing Pigs

2021 ◽  
Author(s):  
Yanpin Li ◽  
Xianren Jiang ◽  
Long Cai ◽  
Yanli Zhang ◽  
Hongbiao Ding ◽  
...  
Keyword(s):  
Cell Viability ◽  
Growth Performance ◽  
Soybean Meal ◽  
Average Daily Gain ◽  
Antioxidant Properties ◽  
Dietary Supplementation ◽  
Growing Pigs ◽  
Related Factor ◽  
Mda Content

Abstract Background: In previous study, we found that soybean isoflavones in soybean meal play important roles in improving growth performance and antioxidant properties in pigs. However, it is still not known whether long-term supplementation with daidzein, an active molecule deglycosylated from daidzin, in a corn-soybean meal diet can enhance growth performance in pigs. Thus, in the present study, an animal trial was carried out to investigate the effects of dietary supplementation with daidzein on the growth performance and antioxidant capacity of pigs. Porcine intestinal epithelial cells (IPEC-J2) were also used as an in vitro model to explore the underlying antioxidant mechanisms of daidzein. Weanling pigs were fed a diet supplemented with 0, 25, 50, and 100 mg/kg daidzein, and IPEC-J2 cells were treated with 0.6 mM hydrogen peroxide (H2O2) in the presence or absence of 40 μM daidzein. Results: Adding 50 mg/kg daidzein to the diet significantly improved body weight on day 72, average daily gain during days 0-72 and plasma superoxide dismutase activity on day 42 (P < 0.05). Treatment with 0.6 mM H2O2 for 1 h significantly decreased cell viability and catalase (CAT) activities and increased intracellular reactive oxygen species (ROS) levels and malondialdehyde (MDA) content (P < 0.05), while pretreatment with 40 μM daidzein prevented the decrease in cell viability and CAT activities and the increase in intracellular ROS levels and MDA content caused by H2O2 (P < 0.05). In addition, H2O2 stimulation significantly suppressed the expression of nuclear factor erythoid-2-related factor 2 (Nrf2), CAT, occludin and zonula occludens-1 (ZO-1), while pretreatment with daidzein preserved the expression of Nrf2, CAT, occludin and ZO-1 in H2O2-stimulated IPEC-J2 cells (P < 0.05).Conclusions: Long-term dietary supplementation with 50 mg/kg daidzein improved growth performance and antioxidative properties in pigs. Daidzein exerted protective effects against H2O2-induced oxidative stress in IPEC-J2 cells, and the underlying mechanism may be related to the activation of the Kelch-like ECH-associated protein 1-Nrf2/antioxidant response element signaling pathway.

scholarly journals Effects of Fumonisin-Contaminated Corn on Growth Performance of 9 to 28 kg Nursery Pigs

Toxins ◽  
2020 ◽  
Vol 12 (9) ◽  
pp. 604
Author(s):  
Zhong-Xing Rao ◽  
Mike D. Tokach ◽  
Jason C. Woodworth ◽  
Joel M. DeRouchey ◽  
Robert D. Goodband ◽  
...  
Keyword(s):  
Growth Performance ◽  
Linear Response ◽  
Animal Feed ◽  
Average Daily Gain ◽  
Fumonisin B1 ◽  
Nursery Pigs ◽  
Feed Production ◽  
Dietary Treatments ◽  
Daily Gain ◽  
Effect Of Feeding

Fumonisin contamination in corn is an emerging issue in animal feed production. Fumonisin disrupts the metabolism of sphingolipids and reduces growth performance. This experiment was conducted to determine the effect of feeding fumonisin-contaminated corn on growth performance and sphinganine (SA) to sphingosine (SO) ratios of 9 to 28 kg pigs. A total of 350 pigs, were used with 5 pigs/pen and 14 pens/treatment. Dietary treatments contained fumonisin-contaminated corn (50 mg/kg of fumonisin B1 + B2) blended with low fumonisin corn (10 mg/kg of fumonisin B1 + B2) to provide dietary fumonisin concentrations of 7.2, 14.7, 21.9, 32.7, and 35.1 mg/kg. From day 0 to 28, increasing fumonisin concentration decreased (linear, p < 0.001) average daily gain, average daily feed intake (linear, p = 0.055), and gain:feed ratio (linear, p = 0.016). Although these response criteria tested linear, the greatest reduction in performance was in pigs fed with 32.7 and 35.1 mg/kg of fumonisin (B1 + B2). Increasing fumonisin concentration increased the serum SA:SO ratio (linear, p < 0.001) on day 14 and 28. In summary, for 9 to 28 kg nursery pigs, increasing fumonisin linearly decreased average daily gain and gain:feed ratio. However, despite the linear response, diets containing up to 21.9 mg/kg of fumonisin did not have as dramatic a decrease in growth performance as those fed more than 32.7 mg/kg. Further research is warranted to determine the effect of fumonisin concentrations between 21.9 and 32.7 mg/kg.

scholarly journals 138 Effects of Increasing Soybean Meal in Corn-based Diets on Growth Performance of Late-finishing Pigs

2021 ◽  
Vol 99 (Supplement_1) ◽  
pp. 70-71
Author(s):  
Julia P Holen ◽  
Robert D Goodband ◽  
Mike D Tokach ◽  
Jason C Woodworth ◽  
Joel M DeRouchey
Keyword(s):  
Amino Acids ◽  
Growth Performance ◽  
Soybean Meal ◽  
Fixed Effects ◽  
Average Length ◽  
Average Daily Gain ◽  
Random Effect ◽  
Finishing Pigs ◽  
Distillers Grains With Solubles ◽  
Dietary Treatments

Abstract Two experiments were conducted to determine the effects of increasing levels of soybean meal (SBM) replacing feed grade amino acids in corn or corn-dried distillers grains with solubles (DDGS)-based diets on growth performance of late finishing pigs. In both experiments, there were 22 to 27 pigs per pen and 14 pens per treatment. Average length of the experiments was 35 (Exp. 1) and 29 days (Exp. 2). Diets were balanced to contain 0.70% SID Lys and 2,667 or 2,610 kcal NE/kg for Exp. 1 and 2, respectively. Minimum amino acid ratios relative to Lys were: Ile, 55; Met&Cys, 60; Thr, 65; Trp, 19.5, and Val, 70. Dietary crude protein ranged from 10.1 to 15.2 for Exp. 1 and 13.6 to 19.4 for Exp. 2. The statistical model considered fixed effects of treatment, linear and quadratic contrasts, and random effect of block. In Exp.1, 1,793 pigs (L337×1050, PIC; initially 104.9 ± 1.4 kg) were fed corn-based diets and pens of pigs were assigned to 1 of 5 dietary treatments with increasing SBM from 5 to 20%. Overall, average daily gain (ADG) and gain-to-feed (G:F) increased (linear; P &lt; 0.05) as SBM increased with the greatest improvement observed as SBM increased from 5 to 8.75%, with little improvement thereafter. In Exp. 2, 1,827 pigs (L337×1050, PIC; initially 97.9 ± 1.1 kg) were used in a similar study as Exp. 1, but all diets contained 25% DDGS and SBM levels increased from 0 to 16%. Overall, G:F and final bodyweight of pigs marginally improved (linear and quadratic, respectively; P &lt; 0.10) as SBM increased, with the greatest performance observed when diets contained 8% SBM. These results suggest that increasing SBM up to 8% at the expense of feed grade amino acids in corn or corn-DDGS-based diets improved ADG or G:F in late-finishing pigs.

scholarly journals Effects of Dietary β-Mannanase Supplementation on Growth Performance, Apparent Total Tract Digestibility, Intestinal Integrity, and Immune Responses in Weaning Pigs

Animals ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 703
Author(s):  
Jae-Cheol Jang ◽  
Kwang Kim ◽  
Young Jang ◽  
Yoo Kim
Keyword(s):  
Oxidative Stress ◽  
Body Weight ◽  
Growth Performance ◽  
Basal Diet ◽  
Villus Height ◽  
Crypt Depth ◽  
Intestinal Integrity ◽  
Weaning Pigs ◽  
Dietary Treatments ◽  
And Oxidative Stress

The experiment aimed to investigate the effects of dietary β-mannanase supplementation on growth performance, apparent total tract digestibility (ATTD) of nutrients, intestinal integrity, and the immunological and oxidative stress parameters in weaning pigs. A total of 64 newly weaning pigs (initial body weight: 6.96 ± 0.70 kg) were allotted to two dietary treatments in eight replicates per treatment with four pigs per pen based on body weight and sex. Dietary treatments were 1.) CON (control: corn-soybean meal based basal diet) and 2.) β-mannanase (basal diet +0.06% β-mannanase). The β-mannanase supplementation did not affect growth performance, concentrations of acute phase protein, superoxide dismutase and glutathione peroxidase. However, the pigs fed the β-mannanase-supplemented diet had greater ATTD of ether extract, jejunum villus height, and villus height-to-crypt depth ratio, and lower crypt depth compared with those fed the CON diet (p < 0.05). The pigs fed the β-mannanase-supplemented diet tended to have the lower count of E. coli in cecum than those fed the CON diet (p = 0.08). In conclusion, dietary β-mannanase supplementation did not affect growth performance, immune response and oxidative stress of weaning pigs, whereas it increased fat digestibility and had positive effects on intestinal integrity and cecum microflora by reducing the count of E.coli.

246 Effects of Feeding Thermally Processed Spray-dried Egg Whites on Growth Performance, Apparent Digestibility, and Oxidative Stress in Nursery Pigs

2021 ◽  
Vol 99 (Supplement_1) ◽  
pp. 91-92
Author(s):  
Victoria C Wilson ◽  
Brian J Kerr
Keyword(s):  
Oxidative Stress ◽  
Growth Performance ◽  
Liver Tissue ◽  
Protein Carbonyls ◽  
Nursery Pigs ◽  
Thermally Processed ◽  
Markers Of Oxidative Stress ◽  
Dietary Treatments ◽  
And Oxidative Stress ◽  
Spray Dried

Abstract The objectives of this study were to determine if feeding thermally processed (TP, heated at 100°C for 120 h) spray-dried egg whites (SDEW) to nursery pigs would impact growth performance, apparent total tract digestibility (ATTD) of GE, N, and S, and oxidative stress. Thirty-two barrows, (initial BW 7.1 kg) were randomly assigned to dietary treatments with 1 pig per pen. In a preliminary study, thermally processing SDEW at 100°C for 120 h increased protein carbonyls (PC) from 6 µmol/g to 19.4 µmol/g (P ≤ 0.01). Diets included either 12% SDEW, 6% TP-SDEW plus 6% SDEW, or 12% TP-SDEW. The experiment lasted 24 d for collection of growth performance data, while plasma was collected on d 21 and liver tissue harvested on d 24 to analyze for markers of oxidative stress. Feces were collected on d 22 for measures of ATTD. Daily gain, daily feed intake, feed efficiency, and ATTD of GE were not found to be different among dietary treatments (P ≥ 0.57). In contrast, ATTD of N (P = 0.11) and S (P = 0.03) were found to increase with increasing protein oxidation in the diet. There was no change in the plasma or liver F2-isoprostanes and 8-hydroxy-2’-deoxyguanosine among dietary treatments (P ≥ 0.28). An increase in plasma PC (P = 0.02) was observed in pigs fed 12% TP-SDEW compared to pigs fed 12% SDEW and pigs fed 6% TP-SDEW. In contrast, a decrease in liver tissue PC (P = 0.04) was observed in pigs fed 6% TP-SDEW compared to pigs fed 12% SDEW and 12% TP-SDEW. These results indicate that feeding TP-SDEW does not affect growth performance, ATTD of GE, and oxidative stress as indicated by F2-isoprostanes or 8-hydroxy-2’-deoxyguanosine; but appeared to have variable effects on oxidative stress as measured by PC.

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