scholarly journals Evaluation of the optimal standardized ileal digestible valine:lysine ratio in lactating sow diets1

2019 ◽  
Vol 97 (7) ◽  
pp. 2965-2971
Author(s):  
Laura Greiner ◽  
Amanda Graham ◽  
Marcio Goncalves ◽  
Uislei Orlando ◽  
Kevin J Touchette

Abstract An experiment was conducted with 430 sows to evaluate the ideal standardized ileal digestible (SID) Val:Lys on sow and litter performance during an 18.6-d lactation period. The SID Val:Lys ratios measured were based on the previously published literature and then values above and below reported values. Sows were randomly allotted within parity block (parity 1, parity 2, and parity 3+) to one of five corn–soybean meal-based lactation diets formulated to contain different levels of SID Val:Lys (0.50, 0.62, 0.75, 0.88, and 1.00, respectively). All diets were formulated to be isocaloric (3.35 ME Mcal/kg) with 0.95% SID Lys and contained vitamins and minerals that exceeded recommendations (NRC, 2012). Experimental diets were given to sows from 112 d of pregnancy throughout the 23-d lactation period. Litters were standardized within 48 h after farrowing. Sows were fed with the Howema computerized feeding system that mixed the high and low diets to create the intermediate diets, weighed the feed for each sow and then delivered the feed to each individual feeding hopper to record daily sow feed intake during lactation. Data were analyzed as a randomized complete block design using the PROC MIXED procedure of SAS with sow as the experimental unit and treatment as a fixed effect and parity as the random effect. Results were considered significant at P ≤ 0.05 and considered a trend at P > 0.05 and P ≤ 0.10. Sow ADFI was not significantly different (5.2, 5.2, 5.2, 5.0, and 5.4 ± 0.15 kg/d, respectively). On average, sows consumed ~45 g of SID Lys per day. Sow wean to estrus (5.2, 4.7, 5.3, 5.5, and 4.5 ± 0.32 d, respectively) was not different as the Val:Lys ratio changed. Increasing the Val:Lys ratio resulted in no differences (2.66, 2.64, 2.76, 2.61, and 2.62 ± 0.08 kg; P > 0.10) in average daily litter gain. There were no differences in sow weight loss or subsequent total born across the dietary treatments. Overall, increasing levels of SID Val:Lys did not change sow reproductive performance or piglet growth rate.

2019 ◽  
Vol 97 (Supplement_2) ◽  
pp. 215-216
Author(s):  
Michael Coelho ◽  
Robert Jones ◽  
Frank Parks

Abstract There is a continued industry focus to decrease FCR (Pierozan, 2016), which means less feed per kg body tissue, and therefore vitamins need to be further concentrated in less and less feed to reach the same vitamin supplementation per kg of body tissue. A study was conducted to determine the response of pigs to different levels of vitamin supplementation based on the 2018 BASF Industry vitamin supplementation survey. Pigs were stressed to simulate commercial stress conditions. A total of 240 (PIC 337 x Camborough) pigs were used in a randomized complete block design with pen as the experimental unit, treatment as the fixed effect, and block as the random effect (4 pigs/pen x 5 treatments x 12 replications). Pigs were blocked by sex and weight and fed corn/soy diets pelleted at 80C and formulated to meet or exceed current NRC (2012) recommendations. The stress imposed to simulate commercial conditions consisted of dirty floors, 1.65 m2/pig, on 7th day of trial, pigs were dosed with 1,000,000 E. Coli bacteria and 200,000 Salmonella bacteria. Treatments were NRC, low 25%, AVG, high 25% and high 5% vitamin supplementation. At finishing, vitamin supplementation increased ADG up to high 5% vitamin supplementation (750, 795, 831, 852, and 871 g, P < 0.05, respectively), improved FCR up to Hi 5% (3.21, 3.05, 2.91, 2.82 and 2.71, P < 0.05, respectively). Vitamin supplementation decreased finishing mortality up to high 5% vitamin supplementation (9.02, 7.43, 6.15, 4.81 and 4.02%, P < 0.05, respectively), improved lean cuts up to Hi 25% (57.5, 59.1, 60.5, 61.3 and 62.1, P < 0.05, respectively). The profit in $/kg pig and return on extra vitamin supplementation was from low 25 to AVG $0.1381/kg and 39x, respectively, from AVG to Hi25% was $0.0771/kg and 13X, and from Hi 25% to Hi 5% was $0.1259/kg and 38X.


2019 ◽  
Vol 97 (Supplement_2) ◽  
pp. 188-189
Author(s):  
Michael Coelho ◽  
Peter Ader

Abstract This study examined the effect of 1-monoglycerides and 1,2-diglycerides of butyric-, caproic- and caprylic acid (SILOHealth™ 104L [monoglycerides]) and avilamycin on day 14 and 21 post weaning performance of E. coli (GN-Ent and O157:H7) day 5 challenged piglets fed corn/soy diets that met or exceeded current NRC (2012) recommendations. A total of 96, Choice Genetics CG32, piglets were used in a randomized complete block design with pen as the experimental unit, treatment as the fixed effect, and block as the random effect (4 piglets/pen x 3 treatments x 8 replications). Pigs were blocked by sex and weight and were orally dosed with 5 ml (1x109 CFU/g, strain GN-Ent and O157:H7) E. coli d 5 after weaning (Ec). The treatment were: NC with Ec; T1=NC + 3 kg/MT monoglycerides; T2=NC+ 80 ppm avilamycin. Least significant difference was used to compare means of treatment. Mortalities and pen removals were weighed and recorded. The E. coli infection model was effective in causing E. coli mortality of 25% at d14 post weaning and 33% at d21 post weaning in NC. T1 and T2 reduced mortality versus NC at d14 (25, 3 and 0%, P < 0.05) and d21 (33, 4 and 0%, P < 0.05), increased ADG at d14 (203, 255 and 259 g, P < 0.05) and d21 (456, 511 and 515 g, P < 0.05), decreased FCR at d21 (1.90, 1.85 and 1.83, P < 0.05), and decreased intestinal E. coli, log 10 of CFU/g, versus NC (4.1, 2.2 and 2.1, P < 0.05). Monoglycerides and avilamycin performance, mortality and intestinal E. coli log 10 were not significantly different at P < 0.05. In conclusion, the use of monoglycerides improved ADG, reduced FCR, reduced mortality and reduced intestinal E. coli log 10 at day 14 and 21 post weaning versus NC and monoglycerides were not significant different (P < 0.05) than avilamycin.


2019 ◽  
Vol 97 (Supplement_2) ◽  
pp. 70-70
Author(s):  
Michael Coelho ◽  
Robert Jones ◽  
Frank Parks

Abstract This study evaluated the metabolizable (ME) release of graded levels of phytase when fed to 35 kg pigs on mash corn/soy diets formulated to meet or exceed current NRC (2012) recommendations. A total of 280 male (PIC 337 x Camborough) pigs were used in a randomized complete block design with pen as the experimental unit, treatment as the fixed effect, and block as the random effect (4 pig/pen x 8 treatments x 10 replications). Pigs were blocked by sex and weight. Treatments groups consisted of PC, NC1=PC- 0.17% Ca, - 0.15% aP, -0.02% Na, -200 kcal/kg, T1=NC +1000 FTU/kg phytase+0.15 g/kg NSPase, T2=NC+1500 FTU/kg phytase+0.15 g/kg NSPase, T3=NC+2000 FTU/kg phytase+0.15 g/kg NSPase, T4=NC+2500 FTU/kg phytase+0.15 g/kg NSPase and T5=NC+3000 FTU/kg phytase +0.15 g/kg NSPase. TiO2 was used as the undigestible marker. Feed, rectum grabbed fecal samples were collected at 35 kg pigs. ME was 3407, 3213, 3301, 3329, 3345, 3354 and 3358 Kcal/kg, P < 0.05, respectively. The NC reduced the ME by 194 Kcal/kg versus the PC. 1000, 1500, 2000, 2500 and 3000 FTU/kg released 87, 116, 132, 141 and 145 Kcal/kg, respectively. Least cost formulation reduced net feed costs by $8.63, $9.22, $11.10, $11.90 and $12.39/ton, respectively. In conclusion, Natuphos E by breaking down phytic acid and Natugrain TS by breaking down NSPs released up to 145 Kcal/kg ME in pigs.


2019 ◽  
Vol 97 (Supplement_2) ◽  
pp. 70-71
Author(s):  
Michael Coelho ◽  
Robert Jones ◽  
Frank Parks

Abstract This study presents a novel find of a Feed NSPase Enzyme, Natugrain TS, reducing finish pig hemorrhagic bowel syndrome (HBS) mortality. A total of 3,750 weaned pigs (28 kg), (PIC 337 x Camborough), were used in a randomized complete block design with pen as the experimental unit, treatment as the fixed effect, and block as the random effect (25 pigs/pen x 5 treatments x 30 replications). Pigs were blocked by sex and weight and were fed mash corn/soy/DDGs diets formulated to meet or exceed current NRC (2012) recommendations. Treatments were T1= 0 g/MT Natugrain TS, T2= 100 g/MT Natugrain TS, T3= 150 g/MT Natugrain TS, T4= 200 g/MT Natugrain TS and T5= 250 g/MT Natugrain TS. At the finishing phase, Natugrain TS significantly decreased intestinal E. coli log 10 (7.12, 4.95, 4.02, 3.21 and 3.25 log 10, P < 0.05, respectively), significantly decreased intestinal lesion score (0–5 score) (4.21, 4.02, 2.98, 2.25 and 2.26, P < 0.05, respectively). Microbiota was analyzed in fresh, manually collected, rectum fecal samples. Microbiota was separated into prevalent in Natugrain TS control (0) and 200 g/ton. In the control treatment, there was a prevalence of Desulfoyibrio, Oscillospira, Campylobacter, Anearoctruncus, Mogibacterium and Brachyspirae, etc., while in the 200 g/ton treatment there was a prevalence of Synergistales, Burkolderiales, Dehabacteriaceae, Bifidobacterium, Roseburia, Lactobacillus and Bacilli, etc. Natugrain TS significantly decreased mortality (4.8, 3.6, 2.7, 1.9 and 2.1 %, P < 0.05, respectively), significantly decreased specifically HBS mortality (3.50, 1.98, 0.68, 0.40 and 0.46%, P < 0.05, respectively). In conclusion, Natugrain TS changed the microbiome by breaking down arabinoxylans, decreasing intestinal E. coli and intestinal lesion score, changing the microbiota to prevalent Bifidobacterium, Roseburia, Lactobacillus and Bacilli, and Natugrain TS up to 200 g/ton specifically decreasing hemorrhagic bowel syndrome mortality from 3.5% to 0.5%.


Author(s):  
Danung Nur Adli ◽  
Osfar Sjofjan

The aim of this study was to assess the effects of dietary probiotic enhanced liquid acidifier combined with mannan-rich fraction on growth performance, nutrients digestibility in growing pigs. Thirty [(Duroc×Yorkshire)×Landrace] pigs with the average initial BW of 36.75±1.57 kg were allocated into three treatments by a randomized complete block design. There were five pens per treatment with six pigs per pen. Dietary treatments include: 1) CON (basal diet); 2) T1 (basal diet+probiotic 0.1%) and 3) T2 (basal diet+probiotic+mannan rich fraction 0.2%). the data were analyzed as a randomized complete block design using of SAS University Version 4.0. The model included the effects of block (replication) and treatment. Pen served as the experimental unit. During the entire experimental period of 6 weeks, results showed that addition of complex probiotic at the level of 0.2% to diet increased ADG significantly (p<0.05). Also, digestibility of DM and N tended to increase. To sum up, results in this experiment indicated that dietary [(probiotik×acidifier)×mannan-rich-fraction]  supplementation had a positive effect on growing pigs performance and nutrient digestibility


2019 ◽  
Vol 97 (Supplement_2) ◽  
pp. 105-105
Author(s):  
Robyn Thompson ◽  
Cathy Boessen ◽  
Brandon Knopf ◽  
Laura Greiner ◽  
Keith D Haydon

Abstract Two hundred sows (Camborough, PIC, Hendersonville, TN) at d 35 post-breeding were enrolled into one of four treatments to assess the required arginine level for sow reproduction. For gilts, the grams of arginine and standardized ileal digestibility (SID) per treatment consisted of: 102 g/0.69% (T1), 107 g/0.73% (T2), 112 g/0.77% (T3), and 121 g/0.83% (T4). For sows, grams of arginine and SID per treatment consisted of: 102 g/0.69% (T1), 107 g/0.73% (T2), 111 g/0.76% (T3), and 119 g/0.81% (T4). The lactation grams of arginine SID per treatment consisted of: 168 g/1.14% (T1), 176 g/1.20% (T2), 186 g/1.27% (T3), and 201 g/1.37% (T4). All diets were formulated to meet or exceed NRC. Sows were weighed farrowing and weaning weights, daily feed intake, and individual piglet and litter weights were collected. Data were analyzed as a randomized complete block design with parity as the block using the PROC MIXED procedure of SAS with the sow being the experimental unit. The feeding of different levels of SID arginine did not affect (P > 0.05) sow average daily feed intake, wean-to-estrus interval, or stillborn percent. Increasing SID arginine resulted in a linear increase (P = 0.04) in sow weaning weights (-4.41, -3.44, -4.40, and 0.61). Increasing SID arginine resulted in a tendency for a linear decrease in percent bred (100.00, 100.00, 100.00, 95.83, P = 0.06) and pre 48-hr mortality (7.58, 5.12, 4.35, 5.86, P = 0.10). Increasing levels of SID arginine resulted in no differences in piglet growth characteristics or removal or mortality percentage. Overall, the feeding of increasing levels of SID arginine resulted in improved sow weight at the time of weaning.


2020 ◽  
Vol 98 (Supplement_3) ◽  
pp. 181-181
Author(s):  
Brittany Carrender ◽  
Hayden E Williams ◽  
Mandy Gerhart ◽  
Kyle Coble ◽  
Joel M DeRouchey ◽  
...  

Abstract A total of 2,673 mixed sex pigs (DNA 600 × PIC 1050; initially 21.4 kg BW) were used in a 117-d study to evaluate the effects of increasing SID Lysine:Calorie NE ratio on the growth performance and carcass characteristics of DNA sired pigs. Pens of pigs (30 pigs/pen) were blocked by BW and location and allotted to 1 of 4 dietary treatments with 18 pens per treatment. Treatments were 90%, 95%, 100%, or 105% of the 2016 PIC recommended SID Lysine:Calorie NE ratio for finishing gilts. Data were analyzed as a randomized complete-block design with pen as the experimental unit. Overall (d 0-117), increasing Lysine:Calorie NE tended to improve ADG (Linear; P = 0.077) and G:F (Linear; P = 0.053). Although there was an increase in ADG with increasing SID Lysine:Calorie NE, there was no evidence for a difference (P &gt; 0.100) in final BW. The lack of BW response is most likely due to the lower (Quadratic; P &lt; 0.008) removal rate as SID Lysine:Calorie NE increased. Carcass ADG (Linear; P &lt; 0.064) tended to improve as SID Lysine: Calorie NE increased. An improvement in carcass G:F (Quadratic; P &lt; 0.004) was observed as SID Lysine:Calorie NE increased to 100% PIC (2016) recommendations, with little improvement observed thereafter. No significant differences were observed in carcass yield, loin depth, back fat, or % lean. These results suggests that DNA sired pigs fed increasing SID Lysine:Calorie NE ratios tended to have improved growth performance with no impact on carcass quality.


2020 ◽  
Vol 98 (Supplement_3) ◽  
pp. 61-62
Author(s):  
Zhong-Xing Rao ◽  
Mike D Tokach ◽  
Steve S Dritz ◽  
Jason C Woodworth ◽  
Joel M DeRouchey ◽  
...  

Abstract A total of 350 pigs (241×600; DNA, Columbus, NE; initially 8.9 kg) were used in a 28-d study to determine the effect of fumonisin-contaminated corn on growth performance of nursery pigs. Dietary treatments consisted of fumonisin-contaminated corn blended with low fumonisin corn to provide analyzed toxin (FB1 + FB2) levels in the final diet of 7.2, 14.7, 21.9, 32.7, and 35.1 ppm. There were 5 pigs per pen and 14 pens per treatment. Pens were assigned to treatments in a randomized complete block design with initial weight as the blocking factor. Data were analyzed using lme package in R program with pen as the experimental unit. From d 0 to 28, increasing fumonisin decreased (linear, P&lt; 0.05) ADG, ADFI, G:F, and final BW. Although responses tested linear, the greatest reduction in ADG and G:F was observed in pigs fed 32.7 and 35.1 ppm of fumonisin. Increasing fumonisin increased serum sphinganine to sphingosine (Sa:So) ratios (linear, P&lt; 0.001) on day 14 and 28. Serum Sa:So ratio appears to be a useful biomarker indicating fumonisin intoxication. These results suggest that for 9- to 28-kg nursery pigs, diets containing 32 ppm of fumonisin or greater decreased growth performance and increased serum Sa:So ratio. Further research is warranted to determine the effects of fumonisin concentrations between 22 and 32 ppm.


2019 ◽  
Vol 97 (Supplement_2) ◽  
pp. 187-188
Author(s):  
Michael Coelho ◽  
Robert Jones ◽  
Frank Parks

Abstract The objective of this experiment was to evaluate the metabolizable energy (ME)-releasing efficacy of a 6-phytase, Natuphos E, on pig performance compared with fat. A total of 1750 weaned, (PIC 337 x Camborough) pigs were used in a randomized complete block design with pen as the experimental unit, treatment as the fixed effect, and block as the random effect (25 pig/rep x 7 treatments x 10 replications). Pigs were blocked by sex and weight. Treatments consisted of PC, NC1=PC- 0.17% Ca, - 0.15% aP, -80 Kcal/kg, NC2=PC- 0.17% Ca, - 0.15% aP, -100 Kcal/kg, NC3=PC- 0.17% Ca, - 0.15% aP, -120 Kcal/kg, NC1 + 1000, NC2 + 1750 and NC3 + 2500 FTU/kg. Pigs were fed mash corn/soy diets formulated to meet or exceed current NRC (2012) recommendations. Least significant difference was used to compare means of treatments. In phase 3, ADG was 655, 650, 642, 632, 697, 911 and 724 g, P < 0.05, respectively. FI was 968, 1000, 1004, 1010, 1028, 1023 and 1052,P < 0.05, respectively. FCR was 1.48, 1.54, 1.56, 1.60, 1.47, 1.44 and 1.45, P < 0.05, respectively. NC1, NC2 and NC3 decreased (P < 0.05) ADG and increased (P < 0.05) FCR compared to PC. NC1 + 1000, NC2 + 1750 and NC3 + 2500 FTU/kg Natuphos E, increased (P < 0.05) ADG, and decreased (P < 0.05) FCR compared to PC. ADG, FI and FCR of NC1 + 1000, NC2 + 1750 and NC3 + 2500 had a better performance (P < 0.05) than NC1, NC2 and NC3, respectively. In conclusion, 1000, 1750 and 2500 FTU/kg phytase, Natuphos E, met or exceeded (P < 0.05) the performance of 80, 100 and 120 Kcal/kg. 2500 FTU/kg Natuphos E phytase could compensate, performance wise, the reduction of 0.17% Ca, 0.15% aP and 120 Kcal/kg ME in the diet.


2019 ◽  
Vol 97 (Supplement_2) ◽  
pp. 193-194
Author(s):  
Henrique S Cemin ◽  
Mike D Tokach ◽  
Steve S Dritz ◽  
Jason C Woodworth ◽  
Joel M DeRouchey ◽  
...  

Abstract A total of 3,171 pigs (PIC 327×L42; initially 5.8 kg) were used in a 39-d study. Treatments were arranged in a 2 × 2 factorial with 0 or 1% cellulose (Arbocel, J. Rettenmaier USA, Schoolcraft, MI) and distillers dried grains with solubles (DDGS; 0 or 5% in phase 1 and 0 or 15% in phase 2). Dietary phases 1 and 2 were offered from d 0 to 10 and 10 to 25, respectively. From d 25 to 39, pigs received a common diet with 25% DDGS. Pens were blocked by weight and allotted to treatments in a randomized complete block design. Experimental unit was two pens (66 pigs) sharing a fence-line feeder with 12 replicates per treatment. Data were analyzed with the GLIMMIX procedure of SAS with block as random effect. From d 0 to 25 and d 0 to 39, there was an interaction (P < 0.05) between cellulose and DDGS for ADG. Pigs fed diets with both DDGS and cellulose had lower ADG than those fed diets without DDGS, with pigs fed diets with DDGS without the addition of cellulose being intermediate. From d 25 to 39, there was a tendency (P = 0.080) for an interaction for ADFI. Pigs previously fed diets without DDGS and with cellulose had higher ADFI than those fed diets with DDGS and cellulose, and pigs previously fed diets without cellulose had similar ADFI regardless of DDGS inclusion. There was a tendency for an interaction (P = 0.070) for pig removals. Adding cellulose to diets without DDGS numerically decreased pig removals, but the inclusion of cellulose to diets with DDGS resulted in increased pig removals. In summary, adding fiber to the diet as cellulose or DDGS resulted in a less pig removals; however, adding both cellulose and DDGS decreased ADG and ADFI.


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