scholarly journals Effects of dietary probiotic, liquid feed and nutritional concentration on the growth performance, nutrient digestibility and fecal score of weaning piglets

2020 ◽  
Vol 33 (10) ◽  
pp. 1617-1623
Author(s):  
Song Zhang ◽  
Dong Huy Yoo ◽  
Xiang Ao ◽  
In Ho Kim
Keyword(s):  
Growth Performance ◽  
Interactive Effect ◽  
Average Daily Gain ◽  
Nutrient Digestibility ◽  
Metabolic Energy ◽  
Positive Interaction ◽  
Liquid Feed ◽  
Weaning Piglets ◽  
Dietary Treatments ◽  
Fecal Score

Objective: This study was conducted to investigate the effects of dietary probiotic blend and liquid feed program at different nutritional densities on growth performance, nutrient digestibility, fecal score of weaning piglets.Methods: A total of 120 weaning pigs with an initial body weight of 7.05±0.93 kg per pig (21 days of age) were randomly allocated into 1 of the following 8 dietary treatments (3 replicates per treatment with 5 pigs per replicate) in a 2×2×2 factorial arrangement (nutrition levels: apparent metabolic energy [AME] = 3,500 kcal/kg, crude protein [CP] = 20% vs AME = 3,400 kcal/kg, CP = 19.42%; feed types:dry vs wet; probiotics levels: 0 mg/kg vs 300 mg/kg).Results: During d 5 to d 15, greater average daily gain (ADG) and average daily feed intake (ADFI) (p<0.05) were observed in probiotics treatments. During d 15 to d 25, gain:feed (G:F) ratio (p<0.05) were significantly improved in probiotics, wet feed and high nutrition diet. Moreover, two interactions i) between nutrition levels and feed types, and ii) between nutrition levels and probiotics were found in G:F ratio. Furthermore, there was a significant positive interaction on G:F among those 3 factors (p<0.05). Overall, increasing ADG, ADFI, and G:F ratio were detected in probiotics treatment significantly (p<0.05). Besides, an obvious reduction on fecal score was observed in probiotics treatment from d 0 to d 5 (p<0.05). There was an interactive effect on fecal score between feed types and nutrition concentrations from d 5 to d 25 (p<0.05).Conclusion: These results indicated that probiotics supplementation could benefit growth performance and reduce the frequency of watery feces. Besides, wet feed program (feed:water = 1:1.25) could improve the G:F. The effect of liquid feed or probiotic could be influenced by dietary nutrition density in weaned piglets. An increased value of G:F was obtained when wet feeding a high nutrition diet (100 kcal higher than NRC 2012 recommendations) was supplemented with probiotics for 15 to 25 days.

Effect of flavor supplementation on growth performance, nutrient digestibility, blood profiles, and carcass quality in growing–finishing pigs

2020 ◽  
Vol 100 (1) ◽  
pp. 133-139
Author(s):  
Xiang Ao ◽  
Yan Lei ◽  
In Ho Kim
Keyword(s):  
Growth Performance ◽  
Average Daily Gain ◽  
Basal Diet ◽  
Nutrient Digestibility ◽  
Growing Pigs ◽  
Carcass Quality ◽  
Finishing Pigs ◽  
Dietary Treatments ◽  
Average Body ◽  
Blood Profiles

This study was conducted to evaluate the effect of supplementation of different flavors (apple and anise) on growth performance, nutrient digestibility, blood profiles, and carcass quality in growing–finishing pigs. A total of 96 growing pigs [(Yorkshire × Landrace) × Duroc] with an average body weight (BW) of 28.2 ± 0.7 kg were randomly assigned to one of the following three treatments: (1) CON, basal diet; (2) APF, basal diet + 0.05% apple flavor; (3) ANF, basal diet + 0.05% anise flavor, according to their BW and sex in this 15 wk experiment. There were eight replications (pens) per treatment and four pigs per pen (two barrows and two gilts). During week 0–5, pigs fed ANF diets had greater (p < 0.05) average daily gain (ADG) and average daily feed intake than those fed CON and APF diets. Dietary ANF treatment increased (p < 0.05) ADG during 0–15 wk compared with CON treatment. At the end of 5 wk, the apparent total tract digestibility of nitrogen in ANF treatment was improved (p < 0.05) compared with that in CON treatment. Dietary treatments did not affect the studied traits of carcass and meat quality. The inclusion of anise flavor increased ADG, but apple flavor had no effect on growth performance in growing–finishing 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.

Effect of dietary fermented oats in different nutrient-density diets on growth performance, nutrient digestibility and ileal microorganisms of weanling pigs

2019 ◽  
Vol 59 (12) ◽  
pp. 2230
Author(s):  
J. W. Park ◽  
H. L. Li ◽  
J. K. Kim ◽  
D. H. Nguyen ◽  
I. H. Kim
Keyword(s):  
Growth Performance ◽  
Phase 1 ◽  
Average Daily Gain ◽  
Experimental Period ◽  
Nutrient Digestibility ◽  
Phase 2 ◽  
Weanling Pigs ◽  
Beneficial Effects ◽  
Nutrient Density ◽  
Dietary Treatments

A total of 160 crossbred weanling pigs [(Landrace × Yorkshire) × Duroc, 28 days old] with an initial bodyweight of 8.01 ± 0.74 kg were used in a 42-day trial (Phase 1: Days 1–14, Phase 2: Days 14–42). The experiment was conducted to evaluate the effects of the inclusion of fermented oats (FO) to a corn and soybean meal-based diet on the performance of weanling pigs fed with high nutrient-density (HD) and low nutrient-density (LD) diets. Pigs were randomly distributed into one of four dietary treatments in a 2 × 2 factorial arrangement. Two levels of nutrient density [LD = 3323 (Phase 1: 1–14 days) and 3269 kcal/kg (Phase 2: 14–42 days); HD = 3446 (Phase 1: 1–14 days) and 3325 kcal/kg (Phase 2: 14–42 days), the differences in dietary energy were based on differences in the content of fish meal, animal fat, corn and FO [0%, 5% (Phase 1) or 2.5% (Phase 2)] were used according to the bodyweight and sex of pigs [8 replicate pens per treatment with 5 pigs in a pen (3 gilts and 2 barrows)]. During the overall trial period (Days 1–42), the average daily gain and gain:feed ratio of pigs fed HD and FO diets were significantly higher (P ≤ 0.05) than those of pigs fed with LD and non-fermented oats diets respectively. On Day 14, the apparent total tract digestibility of dry matter and nitrogen of the HD groups were significantly greater (P ≤ 0.05) than those of the LD groups. The apparent total tract digestibility of energy of the FO groups was significantly greater (P ≤ 0.05) than that of the non-fermented oats diet groups during the whole experimental period. Pigs fed with FO showed higher (P ≤ 0.05) ileal Lactobacillus and lower (P ≤ 0.05) Escherichia coli counts compared with those fed with the non-fermented oats diet. In conclusion, administration of FO to a LD diet demonstrated beneficial effects on the growth performance, nutrient digestibility and ileal microorganisms balance of weanling pigs.

scholarly journals Feeding Crude Glycerin to Finishing Iberian Crossbred Pigs: Effects on Growth Performance, Nutrient Digestibility, and Blood Parameters

Animals ◽  
2021 ◽  
Vol 11 (8) ◽  
pp. 2181
Author(s):  
Silvia Martínez-Miró ◽  
Josefa Madrid ◽  
Miguel José López ◽  
Juan Orengo ◽  
Cristian Jesús Sánchez ◽  
...  
Keyword(s):  
Growth Performance ◽  
Average Daily Gain ◽  
Blood Parameters ◽  
Nutrient Digestibility ◽  
Crude Glycerin ◽  
Total Serum Protein ◽  
Total Serum ◽  
Feed Conversion ◽  
Dietary Treatments ◽  
Crossbred Pigs

A total of 192 Iberian × Duroc pigs kept under intensive conditions were used to investigate the effects of feeding crude glycerin on growth performance, nutrient digestibility, and blood parameters. Animals were blocked by initial body weight (96.0 ± 11.3 kg) and allotted to pens (16 pigs per pen). Pens were assigned randomly to one of three dietary treatments (four pens per treatment). Dietary treatments contained 0, 5, or 10% of crude glycerin proportionally substituting for wheat (G0, G5, and G10, respectively). Diets were formulated to be isoenergetic and isoaminoacidic. No significant effect of crude glycerin was observed on average daily gain, average feed intake, or feed conversion ratio. The apparent total tract digestibility of dry matter, organic matter, and crude protein was no different between treatments. Total serum protein, albumin, glucose, insulin, and IGF-1 were not affected by glycerin inclusion. In conclusion, crude glycerin up to 100 g/kg can be included in the diets of finishing Iberian crossbred pigs without any negative effect on growth performance, digestibility, or serum metabolic parameters.

scholarly journals Dietary Supplementation of EGF Ameliorates the Negatively Effects of LPS on Early-Weaning Piglets: From Views of Growth Performance, Nutrient Digestibility, Microelement Absorption and Possible Mechanisms

Animals ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1598
Author(s):  
Junjing Xue ◽  
Liang Xie ◽  
Bo Liu ◽  
Liyuan Zhou ◽  
Yajun Hu ◽  
...  
Keyword(s):  
Body Weight ◽  
Gastrointestinal Tract ◽  
Growth Performance ◽  
Average Daily Gain ◽  
Nutrient Digestibility ◽  
Apparent Digestibility ◽  
Early Weaning ◽  
Feed Conversion ◽  
Expression Levels ◽  
Weaning Piglets

Epidermal growth factor (EGF) plays an important role in nutrients absorption. However, whether it can be an effective additive to improve the growth performance and nutrients absorption in lipopolysaccharide (LPS) challenged early weaning piglets is still unknown. A 14-days trial was conducted to investigate how EGF attenuates the effect of LPS on the growth performance, nutrient digestibility, microelement absorption of early-weaned pigs, and study the underlying mechanism. A total of 48 early weaned piglets, aged 25 days, were randomly distributed to four groups (control, EGF, LPS and EGF + LPS groups) consisting of a 2 × 2 factorial design. The main factors were the level of LPS (HLPS = high LPS: 100 μg/kg body weight; ZLPS = low LPS: 0 μg/kg body weight) and EGF (HEGF = high EGF: 2 mg/kg diet; ZEGF = low EGF: 0 mg/kg diet). Each group had four replicates and each replicate consisted of three piglets. The results showed that piglets injected with HLPS level significantly decreased the average daily gain (ADG), and significantly increased the feed conversion ratio (FCR) compared with the piglets injected with ZLPS level, while piglets fed HEGF level significantly increased the average daily feed intake (ADFI) compared with the piglets fed ZEGF level (p < 0.05). Piglets injected with HLPS level significantly decreased the apparent digestibility of crude fat compared with the piglets injected with ZLPS level (p < 0.05). Piglets injected with HLPS level significantly increased the concentration of most microelements in the gastrointestinal tract chyme and feces, and significantly decreased the expression levels of most microelement transport-relative genes in the mucosa of gastrointestinal tissues compared with the piglets injected with ZLPS level (p < 0.05). Piglets fed HEGF level significantly decreased the concentration of microelement in the gastrointestinal tract chyme and feces, and significantly increased the expression levels of the microelement transport-relative genes in the mucosa of gastrointestinal tissues compared with the piglets fed ZEGF level (p < 0.05). In conclusion, dietary EGF could attenuate the negative effect of LPS exposure on the apparent digestibility of crude fat and microelement absorption of early-weaning piglets. EGF and LPS influenced the absorption of essential trace element through changing the expression levels of microelement transport-relative genes in the mucosa of gastrointestinal tissues. In the early weaning piglets, EGF can be used as an additive to increase the essential trace elements absorption.

PSII-13 Supplemental Effects of Unrefined Fish Oil, Powdered/Coated Docosahexaenoic Acid on the Growth Performance in Weaner Pigs

2021 ◽  
Vol 99 (Supplement_1) ◽  
pp. 164-166
Author(s):  
Santi Devi Upadhaya ◽  
Hyun Ju Park ◽  
Inho Kim ◽  
Hong Ik Jung ◽  
Yanjiao Li
Keyword(s):  
Body Weight ◽  
Growth Performance ◽  
Average Daily Gain ◽  
Body Weight Loss ◽  
Positive Effects ◽  
Significant Difference ◽  
Dietary Treatments ◽  
Positive Effect ◽  
Average Body ◽  
Fecal Score

Abstract A total of 18 sows (Landrace × Yorkshire) with an average body weight of (within 24 h after farrowing) were used for a 5- week experiment to determine the effects of varying dietary Valine, Lysine (V:L) ratios on performance and fecal score in lactating sows and litters. Sows were raised in individual pens, and assigned to one of three experimental diets consisting different concentration of Valine, Lysine ratios (0.83%, 0.85% and 0.88%). sows body weight was significantly improved by 0.85% valine and lysine ratio compared to 0.85% and 0.88%. However, no significant difference were observed on sows body weight loss, back fat thickness, average daily feed intake and days to return to estrus of sows during the three experiment period. In addition, growth performance of piglet weaning weight were significantly improved by 0.85% valine and lysine ratio compared to 0.85% and 0.88%. Morever, piglet average daily gain was significantly increased 0.88% valine and lysine ratio compared to 0.83% and 0.85%. The three dietary treatments had a significant differences (P&gt;0.05) on fecal score of sows, farrowing and 14 d old age piglets were significantly observed by valine and lisiune ratio. In conclusion, Valine, Lysine had no positive effects on the fecal score of sows and litter during lactation and also no positive effect on gut and its microflora.

scholarly journals Effects of Replacement of Wheat Straw with Corn Stover Based TMR on Growth Performance, Behavioural Characteristics, selected Blood Metabolites and Nutrient Digestibility in Beetal Bucks.

2021 ◽  
Author(s):  
Faisal Majeed ◽  
Saeed Ahmed ◽  
Muhammad Afzal Rashid ◽  
Muhammad Qamer Shahid ◽  
Imran Mohsin
Keyword(s):  
Growth Performance ◽  
Wheat Straw ◽  
Corn Stover ◽  
Average Daily Gain ◽  
Experimental Period ◽  
Nutrient Digestibility ◽  
Blood Metabolites ◽  
Treatment Groups ◽  
Behavioural Characteristics ◽  
Dietary Treatments

Abstract An experiment was executed to determine the effects of replacing wheat straw with corn stover on growth performance, behavioural characteristics, blood metabolites and nutrient digestibility in Beetal bucks. A total of twenty four Beetal bucks were assigned randomly to one of three treatment groups, having eight animals each, for 15 weeks experimental period. The dietary treatments included conventional (25% wheat straw and 75% concentrate), corn stover 50 (Fifty percent of wheat straw (12.5%) was replaced with corn stover, and corn stover 100 (Wheat straw was completely replaced with corn stover). Dietary replacement of wheat straw with corn stover has resulted in an increased dry matter intake and average daily gain by 10 and 26%, respectively in the bucks. Rumen pH and fecal score, however, remained unaffected by dietary replacement of wheat straw with corn stover in the bucks. The replacement of wheat straw with corn stover has resulted in an increased feeding and rumination time, improved lying time and length and decreased number of bouts in the bucks. Blood glucose, urea, bilirubin and calcium levels were remained unaffected by replacing wheat straw with corn stover. The blood phosphorous level, however, was decreased in bucks fed corn stover based ration. The bucks fed corn stover based ration has resulted in an increased digestibility of nutrients including organic matter, crude protein, neutral and acid detergent fiber compared to those fed wheat straw based total mixed ration.

scholarly journals Effect of seaweed-derived laminarin and fucoidan and zinc oxide on gut morphology, nutrient transporters, nutrient digestibility, growth performance and selected microbial populations in weaned pigs

2014 ◽  
Vol 111 (9) ◽  
pp. 1577-1585 ◽  
Author(s):  
G. Heim ◽  
A. M. Walsh ◽  
T. Sweeney ◽  
D. N. Doyle ◽  
C. J. O'Shea ◽  
...  
Keyword(s):  
Growth Performance ◽  
Average Daily Gain ◽  
Live Weight ◽  
Basal Diet ◽  
Nutrient Digestibility ◽  
Gut Health ◽  
Gross Energy ◽  
Weaning Age ◽  
Nutrient Transporter ◽  
Dietary Treatments

In the present study, two experiments were conducted to (1) evaluate the effect of laminarin and/or fucoidan on ileal morphology, nutrient transporter gene expression and coefficient of total tract apparent digestibility (CTTAD) of nutrients and (2) determine whether laminarin inclusion could be used as an alternative to ZnO supplementation in weaned pig diets. Expt 1 was designed as a 2 × 2 factorial arrangement, comprising four dietary treatments (n 7 replicates, weaning age 24 d, live weight 6·9 kg). The dietary treatments were as follows: (1) basal diet; (2) basal diet+300 ppm laminarin; (3) basal diet+240 ppm fucoidan; (4) basal diet+300 ppm laminarin and 240 ppm fucoidan. There was an interaction between laminarin and fucoidan on the CTTAD of gross energy (GE) (P< 0·05) and the expression of sodium–glucose-linked transporter 1 (SGLT1/SLC5A1) and GLUT1/SLC2A1 and GLUT2/SLC2A2 (P< 0·05) in the ileum. The laminarin diet increased the CTTAD of GE and increased the expression of SGLT1, GLUT1 and GLUT2 compared with the basal diet. However, there was no effect of laminarin supplementation on these variables when combined with fucoidan. Expt 2 was designed as a complete randomised design (n 8 replicates/treatment, weaning age 24 d, live weight 7·0 kg), and the treatments were (1) basal diet, (2) basal diet and laminarin (300 ppm), and (3) basal diet and ZnO (3100 ppm, 0–14 d, and 2600 ppm, 15–32 d post-weaning). The laminarin diet increased average daily gain and gain:feed ratio compared with the basal diet during days 0–32 post-weaning (P< 0·01) and had an effect similar to the ZnO diet. These results demonstrate that laminarin provides a dietary means to improve gut health and growth performance post-weaning.

scholarly journals Growth performance, nutrient digestibility, and fecal microbial composition of weaned pigs fed multi-enzyme supplemented diets

2020 ◽  
Vol 98 (10) ◽  
Author(s):  
Sangwoo Park ◽  
Wenting Li ◽  
Benoit St-Pierre ◽  
Qiong Wang ◽  
Tofuko Awori Woyengo
Keyword(s):  
Body Weight ◽  
Growth Performance ◽  
Average Daily Gain ◽  
Nutrient Digestibility ◽  
Fecal Bacteria ◽  
Weaned Pigs ◽  
Microbial Composition ◽  
Bacterial Composition ◽  
Fecal Samples ◽  
Fecal Score

Abstract A study determined the effects of supplementing corn-based diets for weaned pigs with multi-enzymes on growth performance, apparent total tract digestibility (ATTD) of nutrients, fecal score, and fecal microbial composition. A total of 132 pigs (initial body weight = 7.23 kg) that had been weaned at 21 d of age and fed a drug-free nursery diet for 7 d were housed in 33 pens of 4 barrows or gilts, blocked by body weight and gender, and fed 3 experimental diets at 11 pens per diet. The diets were corn-based diet without or with multi-enzyme A or B. Multi-enzyme A supplied 4,000 U of xylanase, 150 U of β-glucanase, 3,500 U of protease, and 1,500 U of amylase per kilogram of diet. Multi-enzyme B was the same as multi-enzyme A except that it supplied amylase at 150 U/kg, and that its source of amylase was different from that of multi-enzyme A. All diets contained phytase at 1,000 U/kg. The diets were fed for 35 d in 2 phases; phase 1 for the first 14 d and phase 2 for the last 21 d of the trial. Fecal score was determined daily during the first 7 d of the trial. Fecal samples were collected from rectum of 1 pig per pen on days 2, 7, 14, and 35 of the trial for determining bacterial composition. Also, fresh fecal samples were collected from each pen on days 41 and 42 to determine ATTD of nutrients. Multi-enzyme B increased (P &lt; 0.05) average daily gain (ADG) for phases 1 and 2. For the overall study period, multi-enzyme B increased (P &lt; 0.05) ADG from 262 to 313 g, and average daily feed intake (ADFI) from 419 to 504 g. Multi-enzyme A increased (P &lt; 0.05) overall ADG from 262 to 290 g, but did not affect ADFI. Multi-enzyme A or B did not affect ATTD of gross energy, but increased (P &lt; 0.05) the ATTD of ether extract from 30% to 36% or 37%, respectively. Multi-enzyme A did not affect fecal score; however, multi-enzyme B tended to decrease (P = 0.09) fecal score, implying that it tended to decrease diarrhea. Firmicutes were the most abundant phylum of fecal bacteria (its relative abundance ranged from 58% to 72%). Bacteroidetes and Actinobacteria were the 2nd and 3rd most abundant phyla of fecal bacteria. Neither multi-enzyme affected fecal bacterial composition. In conclusion, the addition of multi-enzyme A or B to phytase-supplemented corn-based diet for weaned pigs can improve their growth performance and fat digestibility. However, multi-enzyme B was more effective than multi-enzyme A in terms of improving the growth performance of weaned pigs fed corn-based diet.

scholarly journals PSIV-9 Effect of carbohydrases on growth performance, nutrient digestibility, blood profiles and fecal microbiota in weanling pigs fed reduced energy diet

2019 ◽  
Vol 97 (Supplement_2) ◽  
pp. 179-180
Author(s):  
Jemin Ahn ◽  
Xiang Ao ◽  
Haoyang Sun ◽  
In Ho Kim
Keyword(s):  
Growth Performance ◽  
Average Daily Gain ◽  
Fecal Microbiota ◽  
Nutrient Digestibility ◽  
Negative Effects ◽  
Weanling Pigs ◽  
Gross Energy ◽  
Dietary Treatments ◽  
Daily Gain ◽  
Blood Profiles

Abstract This study was conducted to evaluate the effects of carbohydrases on growth performance, nutrient digestibility, blood profiles and fecal microbiota in weanling pigs fed reduced energy diet. A total of 160 cross-bred [(Yorkshire × Landrace) × Duroc)] weanling pigs with an initial BW of 7.23 ± 1.08 kg were used in this 42-day trial. Pigs were randomly allocated in 1 of the following 4 dietary treatments: (1) PC, positive diet (NE 2,545 kcal/kg); (2) NC, negative diet (NE 2470 kcal/kg); (3) NC1, NC + 0.1% carbohydrases; (4) NC2, NC + 0.2% carbohydrases based on the sex and BW. There were 8 replications (pens) per treatment with 5 pigs per pen. During d 0-7, pigs fed NC diet had lower (P < 0.05) average daily gain (ADG) and average daily feed intake (ADFI) than those fed PC and NC2 diets. NC group reduced (P < 0.05) ADG throughout the experiment compared with PC and NC2 groups. NC group reduced (P < 0.05) the digestibility of dry matter, nitrogen and gross energy. Taken together, reduced energy diet caused detrimental effects on growth performance and nutrient digestibility in weanlings, while the addition of carbohydrases (0.2%) can partially counteract these negative effects.

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