scholarly journals Nutritional evaluation of passion fruit seed meal for meat quails

2016 ◽  
Vol 17 (2) ◽  
pp. 202-213 ◽  
Author(s):  
Marcelise Regina FACHINELLO ◽  
Paulo Cesar POZZA ◽  
Antônio Claudio FURLAN ◽  
Vinicius Ricardo Cambito de PAULA ◽  
Lucas Pimentel BONAGURIO ◽  
...  
Keyword(s):  
Crude Protein ◽  
Linear Equations ◽  
Metabolizable Energy ◽  
Neutral Detergent Fiber ◽  
Passion Fruit ◽  
Seed Meal ◽  
Experimental Unit ◽  
Ether Extract ◽  
Apparent Metabolizable Energy ◽  
Gross Energy

SUMMARY The objective of this study was to determine the chemical composition, apparent metabolizable energy (AME), apparent metabolizable energy corrected for nitrogen balance (AMEn) and the metabolizability of dry matter (DM), crude protein (CP), ether extract (EE) and neutral detergent fiber (NDF) of passion fruit seed meal (PFM) for quails. One hundred meat quails (Coturnix coturnix japonica), with 21 days old, allotted in a completely randomized design, with four treatments, five replicates and four animals per experimental unit. The treatments consisted of different levels PFM (4.0, 8.0, 12.0 and 16.0%) that replaced the basal diet (w/w). Metabolizable values were determined by fitting linear equations the PFM can be characterized as an alternative feedstuff for meat quails and the main chemical compounds are gross energy (5,569 kcal kg-1), CP (11.34%), EE (18.84%) and NDF (50.22%), as fed basis. Linear equations were fitted as follow: AME = 2,976 x + 5.877 (r2 = 0.94) and AMEn = 2,939 x + 4.864 (r2 = 0.95), thus AME and AMEn were estimated at 2,976 and 2,939 kcal kg-1, respectively. Additionaly, equations were adjusted for CP, EE, NFD and DM, respectively resulting in a metabolization of 6.35, 17.9, 12.48 and 45.66%. It is concluded that main components of the passion fruit seed meal are gross energy, crude protein, ether extract and neutral detergent fiber and its AME and AMEn for meat quails are 2,976 and 2,939 kcal kg-1, respectively.

scholarly journals Energy values and chemical composition of spirulina (Spirulina platensis) evaluated with broilers

2011 ◽  
Vol 40 (5) ◽  
pp. 992-996 ◽  
Author(s):  
Renata Ribeiro Alvarenga ◽  
Paulo Borges Rodrigues ◽  
Vinícius de Souza Cantarelli ◽  
Márcio Gilberto Zangeronimo ◽  
José Walter da Silva Júnior ◽  
...  
Keyword(s):  
Soybean Meal ◽  
Spirulina Platensis ◽  
Crude Protein ◽  
Metabolizable Energy ◽  
Neutral Detergent Fiber ◽  
Mineral Matter ◽  
Randomized Design ◽  
Apparent Metabolizable Energy ◽  
Gross Energy ◽  
Completely Randomized Design

The objective of this study was to determine the chemical and energy composition of spirulina (Spirulina platensis), the nutrient metabolizability coefficients, and the values of apparent metabolizable energy (AME) and the apparent metabolizable energy corrected for nitrogen balance (AMEn) in broilers. A digestibility trial was carried out by using total excreta collection method, with 90 Cobb 500 lineage chicks, with initial weight of 256 ± 5 g at 11 days of age. Birds were allotted in metabolic cages for 10 days, distributed in a completely randomized design, with three treatments and six repetitions with five birds each. Diets consisted on a reference-ration based on corn and soybean meal and two test diets, one containing spirulina (30%) and the other one with soybean meal (30%). Spiruline was superior to soybean meal for contents of dry matter (DM), gross energy (9.60%), crude protein (26.56%), ether extract (54.45%), mineral matter (42.77%), calcium (100%) and total phosphorus (130.77%) and also for most amino acids, except lysine, glutamate, histidine and proline. Nevertheless, spiruline presented lower values of gross fiber (83.95%), acid detergent fiber (85.12%) and neutral detergent fiber (6.15). The AME and AMEn values (kcal/kg of DM) were, respectively, 2,906 and 2,502 for the spirulina and 2,646 and 2,340 for the soybean meal and AMEn of spirulina was 6.92% higher than soybean meal.

scholarly journals Nutritional evaluation of sorghums grown with different organic fertilizers for slow-growing broilers

2017 ◽  
Vol 38 (5) ◽  
pp. 3341 ◽  
Author(s):  
Carla Fonseca Alves Campos ◽  
Jefferson Costa de Siqueira ◽  
Kênia Ferreira Rodrigues ◽  
Roberta Gomes Marçal Vieira Vaz ◽  
Susana Queiroz Santos Mello ◽  
...  
Keyword(s):  
Crude Protein ◽  
Control Diet ◽  
Metabolizable Energy ◽  
Organic Fertilizers ◽  
Experimental Unit ◽  
Feed Conversion ◽  
Final Weight ◽  
Apparent Metabolizable Energy ◽  
Gross Energy ◽  
Slow Growing

The aim of this study was to evaluate the effects of sorghums grown with different organic fertilizers on the chemical composition, energy values, and nutrient metabolizability coefficients, as well as their use for feeding slow-growing broilers. Two trials were performed. In the first experiment, 200 21-day-old broilers were distributed in a completely randomized design (CRD), with five treatments and four replicates of 10 birds per experimental unit. The treatments consisted of a control diet and four test diets (sorghum fertilized with crotalaria, sorghum fertilized with millet, sorghum fertilized with humus, and sorghum without fertilization), including sorghum at 30% in the control diet. The apparent metabolizable energy (AME), apparent metabolizable energy corrected for nitrogen balance (AMEn), metabolizability coefficients of dry matter, crude protein, and gross energy were evaluated. In trial 2, 200 1-day-old chicks were used in a CRD with five treatments (T1 – control diet with commercial corn, T2 – sorghum fertilized with crotalaria, T3 – sorghum fertilized with millet, T4 – sorghum fertilized with humus, and T5 – sorghum without fertilization) and four replicates of 10 birds per experimental unit. Weight gain, feed intake, feed conversion, and final weight at 28 days were evaluated. The values of AME and AMEn of sorghums fertilized with crotalaria, millet, humus, and sorghum without fertilization were 2894 Kcal kg-1 and 2881 Kcal kg-1; 2736 Kcal kg-1 and 2675 Kcal kg-1; 2727 Kcal kg-1 and 2694 Kcal kg-1; and 2994 Kcal kg-1 and 2959 Kcal kg-1, respectively. The metabolizable coefficients of dry matter, crude protein, and gross energy were 76.04%, 42.01%, and 75.25% for sorghum fertilized with crotalaria; 77.50%, 50.77%, and 75.95% for sorghum fertilized with millet; 77.62%, 46.39%, and 75.54% for sorghum fertilized with humus; and 75.83%, 39.53%, and 74.71% for sorghum cultivated without fertilization, respectively. The dietary use of sorghum cultivated with different fertilizers did not affect (P > 0.05) weight gain, feed intake, feed conversion, and final weight. Green manures with crotalaria, millet, and humus (bovine manure) are alternatives that can be used on sorghum crops because they resulted in grains with adequate nutritional composition, energy values, and metabolizable coefficients for slow-growing broilers from 1 to 28 days of age.

scholarly journals Chemical composition and energetic values of wheat and its sub-products for broiler chicken

2015 ◽  
Vol 36 (5) ◽  
pp. 3481
Author(s):  
Jomara Broch ◽  
Newton Tavares Escocard de Oliveira ◽  
Ricardo Vianna Nunes ◽  
Jeffersson Rafael Henz ◽  
Idiana Mara da Silva ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Geometric Mean ◽  
Nitrogen Retention ◽  
Metabolizable Energy ◽  
Neutral Detergent Fiber ◽  
Experimental Unit ◽  
Mineral Matter ◽  
Randomized Design ◽  
Apparent Metabolizable Energy ◽  
Gross Energy

<p>The objective of this study was to determine the chemical composition, apparent metabolizable energy (AME), AME corrected by nitrogen retention (AMEn) and metabolization coefficients (MC and MCn) of different feeds for broilers from the western region of Paraná State. The experiment was conducted at the Physiology of Birds Laboratory at UNIOESTE. Two hundred and sixty male chicks of the Cobb 500 strain, at 21 days old, were distributed in a randomized design with 12 treatments and four replicates of five birds per experimental unit. The feed ingredients studied were ten different wheat middlings, one triticale, one wheat grain and a reference diet. Values for dry matter, nitrogen, gross energy, neutral detergent fiber, acid detergent fiber, mineral matter, calcium, phosphorus, sodium, potassium and magnesium composition were determined as well as the geometric mean diameter of the feed particles. To determine the apparent metabolizable energy (AME) and AME corrected for nitrogen balance (AMEn) the total excreta collection method was used with growing birds. The chemical composition of the feeds was variable. The values for AME and AMEn ranged from 1. 819-2. 958 and 1. 734-2. 882 kcal. kg-1, respectively. Based on these energetic values and the values for gross energy, the coefficients of metabolizability were calculated. The values ranged from 43. 26-75. 24% for MC and from 42. 28- 73. 31% for MCn.</p>

scholarly journals Prediction of metabolizable energy values in poultry offal meal for broiler chickens

2010 ◽  
Vol 39 (10) ◽  
pp. 2237-2245 ◽  
Author(s):  
Edney Pereira da Silva ◽  
Carlos Bôa-Viagem Rabello ◽  
Luiz Fernando Teixeira Albino ◽  
Jorge Victor Ludke ◽  
Michele Bernardino de Lima ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Broiler Chickens ◽  
Crude Protein ◽  
Matter Content ◽  
Metabolizable Energy ◽  
Mineral Matter ◽  
Ether Extract ◽  
High Fat ◽  
Collection Method ◽  
Gross Energy

This research aimed at generating and evaluating prediction equations to estimate metabolizable energy values in poultry offal meal. The used information refers to values of apparent and true metabolizable energy corrected for nitrogen balance (AMEn and TMEn) and for chemical composition of poultry offal meal. The literature review only included published papers on poultry offal meal developed in Brazil, and that had AMEn and TMEn values obtained by the total excreta collection method from growing broiler chickens and the chemical composition in crude protein (CP), ether extract (EE), mineral matter (MM), gross energy (GE), calcium (Ca) and phosphorus (P). The general equation obtained to estimate AMEn values of poultry offal meal was: AMEn = -2315.69 + 31.4439(CP) + 29.7697(MM) + 0.7689(GE) - 49.3611(Ca), R² = 72%. For meals with high fat contents (higher than 15%) and low mineral matter contents (lower than 10%), it is suggest the use of the equation AMEn = + 3245.07 + 46.8428(EE), R² = 76%, and for meals with high mineral matter content (higher than 10%), it is suggest the equations AMEn = 4059.15 - 440.397(P), R² = 82%. To estimate values of TMEn, it is suggested for meals with high mineral matter content the equation: TMEn = 5092.57 - 115.647(MM), R² = 78%, and for those with low contents of this component, the option is the equation: TMEn = 3617.83 - 15.7988(CP) - 18.2323(EE) - 96.3884(MM) + 0.4874(GE), R² = 76%.

scholarly journals Effect of binder mineral in batchery waste based feed pellet on its proximate component and energy values

2018 ◽  
Vol 43 (2) ◽  
pp. 107 ◽  
Author(s):  
B. Sulistiyanto ◽  
C.S. Utama ◽  
S. Sumarsih
Keyword(s):  
Nutrient Availability ◽  
Crude Protein ◽  
Nitrogen Retention ◽  
Metabolizable Energy ◽  
Crude Fiber ◽  
Ether Extract ◽  
Mineral Addition ◽  
Apparent Metabolizable Energy ◽  
Egg Shells ◽  
Local Farm

The Experiment was conducted to study effects of binder mineral addition to the hatchery waste based pelletprocessingon its proximate component and energy value. The study may be beneficial to emerge a new feed resource for local farm businesses. The hatchery wastes those comprised of 30% of egg shells, 60% of un-hatched eggs, and 10% of culled DOC were blended, and mixed with 10% of cassava cake meal(W/W), then mixed well with mineral adsorbent (bentonites or zeolites) at 0, 1, 2, 3, 4 and 5% (W/W). The mixture was conditioned at 80 ºC for 15 min, and extruded to make a pellet with 6 mm of diameter and 30 mm in length, and dried into warm air flow dryer. The moisture, crude protein (CP), ash, ether extract (EE), crude fiber (CF), apparent metabolizable energy (AME), true metabolizable energy (TME), metabolizability(MET) and nitrogen retention (NR) were observed in each pellet. Result of the experiment showed that moisture of pellet was decreased (P<0.05) by zeolites or bentonites addition. Even though the effect ofbinder mineral addition gave different patterns, concentrations of ash, crude protein, ether extract and crude fiber of pellet product were increased by increasing level of mineral adsorbent (P<0.05). Nutrient availability as was represented by AME, TME, MET, and NR were increased by zeolites and bentonites additions (P<0.05). In conclusion, supplementations of bentonites and zeolites in the hatchery waste based pelletcould improve its proximate component concentration and nutrient availability.

scholarly journals Selecting squash (Cucurbita sp.) introductions by seed nutritional quality and seed meal

2019 ◽  
Vol 13 (2) ◽  
pp. 259-268
Author(s):  
Sanín Ortiz-Grisales ◽  
Magda-Piedad Valdés-Restrepo
Keyword(s):  
Crude Protein ◽  
Nutritional Value ◽  
Animal Feed ◽  
Neutral Detergent Fiber ◽  
Seed Meal ◽  
Cucurbita Moschata ◽  
Ether Extract ◽  
Acid Detergent Fiber ◽  
Feed Value ◽  
Whole Seed

Squash (Cucurbita sp.) is widely used in Colombia as both food and animal feed. However, its seeds are discarded. This study  aimed to identify squash genotypes with a high nutritional value in the whole seed meal (WSM) and defatted seed meal (DSM) within a group of 19 introductions (14 of Cucurbita moschata and 5 of C. sororia). For WSM, 70% of the introductions presented above-average values for extract (36.9%) and crude protein (26.34%); the fiber values were 20.34% neutral detergent fiber (NDF) and 13% acid detergent fiber (ADF). For DSM, 57% of the introductions presented above-average crude protein (43.5%) and 52% above-average crude energy values (4078 cal g-1).  Based on the relative feed value (RFV), introductions 1229, 1200, 1201, 1219 and 1206 were selected for WSM, and 1206 1229, 932, 1200, 786 and 954 were selected for DSM. In the selected C. moschata introductions, parents with general and specific combining abilities for ether extract and crude protein in WSM or high RFV in DSM should be identified. C. soraria introductions 1202 and 954 should be used in crosses that aim to obtain F2 segregants for seeds with a high oil content and high RFV in DSM.

scholarly journals Digestibility of amino acids, energy, acid hydrolyzed ether extract, and neutral detergent fiber, and concentration of digestible and metabolizable energy in low-oil distillers dried grains with solubles fed to growing pigs1

2019 ◽  
Vol 3 (2) ◽  
pp. 662-675 ◽  
Author(s):  
Charmaine D Espinosa ◽  
Su A Lee ◽  
Hans H Stein
Keyword(s):  
Amino Acids ◽  
Body Weight ◽  
Latin Square ◽  
Basal Diet ◽  
Metabolizable Energy ◽  
Neutral Detergent Fiber ◽  
Ether Extract ◽  
Initial Body Weight ◽  
Distillers Dried Grains ◽  
Gross Energy

Abstract Two experiments were conducted to test the hypothesis that digestibility of amino acids (AA), gross energy (GE), acid hydrolyzed ether extract (AEE), and neutral detergent fiber (NDF), and values for metabolizable energy (ME) in low-oil distillers dried grains with solubles (DDGS) vary among suppliers. In Exp. 1, the apparent total tract digestibility (ATTD) of GE, AEE, and NDF, and concentration of ME were determined in eight sources of DDGS (sources A, B, C, D, E, G, H, and I). A corn-based basal diet and eight diets containing corn and each source of DDGS were fed to 72 barrows (initial body weight = 18.1 ± 1.3 kg) with eight pigs per diet. Feces and urine were collected for 5 d after 7 d of adaptation. The ME did not differ among the eight sources of DDGS with the exception that DDGS source E contained less (P &lt; 0.05) ME than DDGS source D. The ATTD of GE did also not differ among the eight sources of DDGS, but ME and ATTD of GE in corn were greater (P &lt; 0.05) than in the eight sources of DDGS. However, the ATTD of AEE in corn and the eight sources of DDGS was not different, but the ATTD of AEE in DDGS source E was greater (P &lt; 0.05) than in DDGS source A. The ATTD of NDF in DDGS source D was also greater (P &lt; 0.05) than in DDGS sources E, G, and H, but ATTD of NDF did not differ between corn and the eight sources of DDGS. In Exp. 2, standardized ileal digestibility (SID) of AA was determined in seven sources of DDGS (sources A, B, C, D, E, G, and H). Twenty-four barrows (initial body weight = 63.4 ± 3.4 kg) that had a T-cannula installed in the distal ileum were allotted to a two-period incomplete Latin square design with eight diets. Seven diets were formulated to contain each of the seven sources of DDGS and an N-free diet was also used. Ileal digesta were collected for 2 d after 5 d of adaptation. There were no differences between pigs fed DDGS sources A and B in SID of AA, and the SID of Lys, Met, and Trp did not differ among DDGS sources A, B, and E. However, SID of most indispensable and dispensable AA except Gly were greater (P &lt; 0.05) in DDGS source B than in DDGS sources C, D, E, G, and H. In conclusion, variability in SID of AA, ATTD of NDF and AEE, and ME were observed among the sources of DDGS used in this experiment.

scholarly journals 61 Impact of broken kernels and foreign matter content of corn on nutrient and energy composition and mycotoxin levels

2020 ◽  
Vol 98 (Supplement_3) ◽  
pp. 150-150
Author(s):  
Chloe S Hagen ◽  
Paul Cline ◽  
Blair Tostenson
Keyword(s):  
Crude Protein ◽  
Energy Content ◽  
Energy Levels ◽  
Nutrient Content ◽  
Matter Content ◽  
Neutral Detergent Fiber ◽  
Experimental Unit ◽  
Net Energy ◽  
Ether Extract ◽  
The Impact

Abstract The objective of this experiment was to determine the impact of elevated broken kernels and foreign material content (BCFM) on energy and nutrient content and mycotoxin levels of corn delivered to a commercial feed mill in southern Minnesota. Corn was sourced from Central Region Cooperative (Sleepy Eye, MN) to meet BCFM specifications: medium (M), averaging 4.9% BCFM and high (H), averaging 7.9% BCFM. Each of 20 deliveries of M were individually sampled at the time of delivery; half was cleaned using a 2.4 mm screen. The clean (CC) and the uncleaned (UC) corn were assayed for moisture, ash, crude protein, ether extract, neutral detergent fiber, and phosphorus. The net energy content was determined using pooled samples of CC and UC using NIR (Cargill, Elk River, MN; Dutch Net Energy formula, CVB). Twenty-six deliveries of H were processed as above, except that the fines (CF) were retained, and CC, CU and CF were assayed for deoxynivalenol and zearalenone. The nutrient data and mycotoxin data were analyzed using ANOVA in which delivery was the experimental unit. There were no differences (P &gt; 0.10) between CC and UC for moisture (14.2 vs 14.1 % for CC and UC, respectively), ash (1.1 vs 1.1%), crude protein (6.6 vs 6.6%), ether extract (3.2 vs 3.1%), neutral detergent fiber (8.9 vs 8.4%), and phosphorus (0.2 vs 0.2%). The net energy of CC and UC were both 2.63 Mcal/kg. The CF contained the highest levels of DON (2,856 vs 425 vs 138 ppb for CF, UC and CC, respectively; P &lt; 0.01) and the highest levels of zearalenone (385 vs 61 vs 15 ppb; P &lt; 0.01). In conclusion, cleaning corn with 4.9% BCFM provided no benefit in terms of nutrient and energy levels. Cleaning corn with 7.9% BCFM reduced mycotoxin content and therefore health risks.

scholarly journals Nutritional value of Shea Butter (Vitellaria paradoxa) seed Meal (SBSM) as affected by different days of Natural fermentation

2019 ◽  
Vol 1 ◽  
pp. 196-201
Author(s):  
S E Alu ◽  
E A Randa
Keyword(s):  
Crude Protein ◽  
Nutritional Value ◽  
Seed Meal ◽  
Shea Butter ◽  
Ether Extract ◽  
Laboratory Studies ◽  
Vitellaria Paradoxa ◽  
Crude Fibre ◽  
Monogastric Animal ◽  
Gross Energy

A laboratory studies were carried out to investigate the effect of fermentation duration on nutrients and antinutrient composition of shea butter seed meal, SBSM. 500g of the wet unprocessed SBM was cooked for 1 hour after which it was cooled and divided into 5 portions. The first portion was tagged T1 and oven-dried. The remaining 4 were bagged in different air-tight polythene bags and allowed to ferment for 3, 4, 5 and 6 days and each treatment was labeled as T2, T3, T4 and T5, respectively. At the end of the processing, each treatment was replicated and the samples analyzed. Crude protein and ether extract were significantly (P<0.05) improved as the days of fermentation increased. The values increased from 10.33 and 2.76% to 15.58 and 4.50%, respectively at day 3 fermentation. However, the values reduced as fermentation entered day 5 and 6. Fermentation of SBSM for up to day 4 (T5) and 5 (T6) gave the best (P<0.05) result for crude fibre (14.37 and 14.78%), whereas fermentation for as early as 3 days gave same result for ash as compared to those of day 4 (4.48%), 5 (3.29%) and 6 (3.11%), respectively. Similarly, fermenting SBSM for up to 4 days gave significantly (P<0.05) the highest value for gross energy (3.13 kcal/kg) whereas that of day 5 produced the highest value of NFE (63.51%) but similar to that of day 2 (61.98%). There was no significant (P>0.05) variation in the value recorded for DM across the treatments. Consistently, the best (P>0.05) result obtained for all the minerals evaluated were on the fourth day of fermentation except for days 3 (0.06%) and 6 (0.04%) which were comparable to both the control (0.09%) and day 4 (0.09%). Fermenting SBSM for up to day 4 gave the best (P>0.05) result for potassium (0.36%), calcium (0.18%) and phosphorus (0.36%). However, the treatment did not (P<0.05) affect the concentration of magnesium. Saponin and phytic acid were significantly (P<0.05) reduced due to fermentation for 3 to 4 days but were increased (P<0.05) beyond this duration of fermentation. However, there was no variation (P>0.05) in the results obtained for tannin (0.001 – 0.003%), oxalate (0.0010 – 0.0014%) and flavonoids (0.005 – 0.006%). The vitamins analyzed namely A, B6 and α- tocopherol were consistently improved (P<0.05) from the beginning of the time of fermentation up to day 4 but reduced (P<0.05) beyond this period of fermentation. Monogastric animal farmers can therefore, ferment SBSM for at most 4 days and conveniently feed their animals as a replacement for conventional energy source.

scholarly journals Predicting the metabolizable energy of first and second corn harvests for piglets

2017 ◽  
Vol 41 (6) ◽  
pp. 683-691 ◽  
Author(s):  
Lucas Antonio Costa Esteves ◽  
Newton Tavares Escocard de Oliveira ◽  
Laura Marcela Diaz Huepa ◽  
Silvia Letícia Ferreira ◽  
Leandro Dalcin Castilha ◽  
...  
Keyword(s):  
Crude Protein ◽  
Dry Matter ◽  
Block Design ◽  
Metabolizable Energy ◽  
Neutral Detergent Fiber ◽  
Acid Detergent Fiber ◽  
Randomized Block Design ◽  
Gross Energy ◽  
Swine Diets ◽  
Best Fit

ABSTRACT Corn is one of the primary ingredients in swine diets, but there is a variation in its chemical composition and metabolizable energy (ME) content. Therefore, faster methods are required that can determine more accurate ME values to improve piglet diets. This study determined and predicted the ME of corn from first and second harvests for piglets. Two experiments were conducted to determine the ME values for 18 corn batches, evaluating corn from first and second harvests. The corn batches were analysed to determine the concentration of dry matter (DM), starch (ST), neutral detergent fiber (NDF), acid detergent fiber (ADF), crude protein (CP), ether extract (EE), ash, calcium (Ca), phosphorus (P) and gross energy (GE). To determine the ME values, 40 piglets were used in each experiment, grouped into a randomized block design with four replicates. The ME of the corn from the first and second crops ranged from 3281 to 3509 and from 3143 to 3652 kcal/kg on an as-fed basis, respectively, and the fitted equations to predict the ME presented a low R2. The best fit equation for predicting the ME of corn for piglets was determined to be ME= - 6306.15 + 400.652ADF + 117.286ST + 24924.7Ca + 2489.66P - 148.41CP (R2=0.44) for the first harvest; ME= -7560.08 + 2.66895GE - 120.69ADF (R2=0.48) for the second harvest; and ME= 2848.95 + 68.5714NDF + 161.938EE - 5563.5Ca - 1454.2P (R2=0.41) for the joint harvest.

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