PSV-B-21 Evaluation of whole soybeans as an ingredient in dog diets: Apparent total tract digestibility and stool quality of extruded diets with graded levels of dehulled whole soybeans by dogs

2021 ◽  
Vol 99 (Supplement_3) ◽  
pp. 337-337
Author(s):  
Hee S Kim ◽  
Charles G Aldrich

Abstract Increasing the amount of liquid fat to the ration during extrusion can negatively affect product density and product expansion. Ingredients, like whole soybeans (WSB), which are high in fat may aid increased energy density while avoiding production issues. In a preliminary extrusion project, the effects on the process of foods were evaluated, followed by animal evaluation. The objective of this study was to determine the effect of dehulled WSB on nutrient digestibility and stool quality by dogs. Experimental diets were extruded with 0%, 10%, 20%, and 30% WSB (WSB0, WSB10, WSB20, and WSB30, respectively). Seven castrated male and three spayed female Beagles of similar age (6.25 ± 0.452 years) were individually housed and fed the experimental diets. The study was designed as replicated 4 × 4 Latin square where dogs were allowed 9-d adaptation followed by 5-d total fecal collection for each period. Titanium dioxide was added to all diets (0.4%) to serve as an indigestible dietary marker to determine apparent total tract digestibility (ATTD). Least-square means of fecal parameters and ATTD were analyzed with a single degree of freedom contrasts and significance at α = 0.05. There was no difference among treatments for food intake or fecal scores. However, there were linear increases (P < 0.05) in DM fecal output, as is fecal output, fecal moisture, and defecation frequency stools/day as WSB increased in the diets. Apparent total tract digestibility of dry matter, crude protein, acid hydrolyzed ether extract, and gross energy decreased linearly as dogs were fed increasing levels of WSB in the diets (P < 0.05). In conclusion, additional thermal processing before extrusion may improve nutrient digestibility, although stool quality was not affected by the inclusion of WSB.

2016 ◽  
Vol 18 (12) ◽  
pp. 991-996 ◽  
Author(s):  
Beth A Hamper ◽  
Claudia A Kirk ◽  
Joseph W Bartges

Objectives The aim of the study was to evaluate overall dry matter, organic matter, crude protein, crude fat and gross energy digestibility of a feline commercial raw diet and a homemade raw diet compared with a canned, heat-processed diet. Methods Six domestic shorthair kittens (20–28 weeks old) were fed three different diets in a Latin square crossover design. Diet A was a commercially available, canned, heat-processed diet. Diet B was a complete commercial, prefrozen, raw diet (commercial raw), and diet C was a raw diet supplement mixed with ground raw meat obtained locally (homemade raw). Both diets A and B were formulated to meet nutritional profile levels for cats at all life stages. Kittens were given specific diet amounts to maintain a 2–4% weight increase per week. Food was measured before and after feedings to determine the amount eaten, and all feces were collected, weighed and frozen prior to submission. Composite food samples and all feces were submitted to a national laboratory for proximate analysis of crude protein, crude fiber, ash, crude fat, moisture and caloric density. Results Significantly higher digestibility of dry matter ( P <0.001), organic matter ( P <0.001), crude protein ( P <0.001) and gross energy ( P <0.001) was seen in the raw diets compared with the heat-processed diets. This difference resulted in significantly less fecal matter ( P <0.001) despite similar levels of intake and kcal ingested, and evidence of no difference in fecal scores. Conclusions and relevance Higher dry matter, organic matter and protein digestibility was seen in two commercial raw diets compared with a heat-processed diet. Digestibility differences could have been due to variance in dietary protein, fat and carbohydrate concentrations between the diets, variance in dietary ingredients or quality, alterations in protein structure secondary to heat processing, as well as alterations in gastrointestinal flora. Future research examining digestibility in diets with the same macronutrient proportions and ingredients, and mechanisms for any differences, is warranted.


2016 ◽  
Vol 10 (10) ◽  
pp. 180 ◽  
Author(s):  
Hung Duc Pham ◽  
Ravi Fotedar ◽  
Chau Minh Nguyen ◽  
Muhammad Abu Bakar Siddik

The dietary selenium (Se) requirement has been determined for cobia Rachycentron canadum using purified diet; however, its role in the utilisation of plant-derived ingredients has not been evaluated in the species. Therefore, a 3 x 2 factorial experimental design involving three inclusion levels (0, 210 and 315 g/kg) of lupin Lupinus angustifolius kernel meal (LKM) and two concentrations (0 and 0.8 mg/kg) of Se was used to evaluate the effects of Se supplementation in conjunction with LKM on the growth, feed utilisation and physiological responses in the cobia. Six isonitrogenous (46.5 % crude protein) and isoenergetic (21 MJ/kg gross energy) diets were formulated and fed to cobia for 7 weeks in a flow-through seawater system. The results showed significant effects of Se supplementation and its interaction with dietary lupin on the growth and feed efficiency of cobia. Se supplementation significantly improved the growth and feed utilisation efficiency in cobia fed lupin-based diets. The nutrient digestibility of fish fed supplemental Se lupin-based diets was significantly higher than that of fish fed diets without Se supplementation at each inclusion level of LKM. There were no significant effects of dietary Se supplementation on the survival, muscle composition or muscle amino acids, whereas regression analysis indicated a positive linear relationship between tissue Se accumulation and dietary Se levels. An enhancement of haematological responses was also observed in cobia fed Se-supplemented diets. In summary, cobia fed lupin-based diets required higher dietary Se supplementation for higher feed utilisation efficiency than previously quantified for the casein-based diet.


Author(s):  
А.Ю. Червяков ◽  
Е.В. Тюкина ◽  
Д.В. Бочкарёв ◽  
Н.В. Смолин ◽  
А.Н. Никольский ◽  
...  

Исследования влияния системного применения гербицидов при ресурсосберегающей обработке почвы на качественные показатели зерна кукурузы проведены на землях ОАО «Агросоюз» Рузаевского района Республики Мордовия в 2014–2016 годах. Установлено, что обработка посевов гербицидом «Дублон» (1,2 л/га) и баковой смесью «Дублон Голд» (0,07 кг/га) + «Балерина» (0,25 л/га) способствовала повышению содержания сырого протеина в зерне до 93,67 и 94,97 г/кг соответственно. Анализ содержания жира в зерне кукурузы выявил, что наибольшим оно было в контрольном варианте. Внесение препаратов «Дублон», «Дублон Супер», «Дублон Голд» и их сочетаний с «Балериной» статистически достоверно снижало концентрацию жира. Используемые пестициды достоверного влияния на увеличение содержания крахмала в зерне кукурузы не оказывали. Содержание клетчатки снижалось: при использовании препаратов «Дублон Супер», «Дублон Голд» и «Дублон» + «Балерина» её уровень был ниже контроля на 5–10%. В результате увеличения урожайности зерна кукурузы за счёт высокой эффективности гербицидов во всех вариантах опыта возрастал сбор протеина с 0,51 до 0,75 т/га. В исследованиях также установлено, что в вариантах с применением баковых смесей гербицидов «Дублон + «Балерина» и «Дублон Голд» + «Балерина» по сравнению с контролем валовой сбор крахмала, сахара, сырого жира был наивысшим. Между содержанием в зерне кукурузы сырого протеина, клетчатки, сырого жира, сахара и крахмала наблюдалась достоверная слабая положительная зависимость. Гербициды группы «Дублон» повышали концентрацию сахара до 32,6–33,3 г/кг. В результате повышенного содержания жира в зерне кукурузы уровень валовой энергии был наивысшим в контрольном варианте — 19,37 МДж/кг. При внесении гербицидов она снижалась вследствие повышения доли белка в органическом веществе зерна кукурузы. The investigation was carried out at the OAO “Agrosoyuz” (the Ruzaevskiy district, Republic of Mordovia) in 2014–2016. The effect of herbicide application was tested on maize under minimum tillage. Plant treatment with “Dublon” (1.2 l ha-1) as well as the mixture of “Dublon Gold” (0.07 kg ha-1) and “Balerina” (0.25 l ha-1) increased crude protein in grain up to 93.67 and 94.97 g/kg, respectively. The highest fat content was observed in the control. Application of “Dublon”, “Dublon Super”, “Dublon Gold” and their mixtures with “Balerina” significantly reduced fat accumulation. The preparations had no significant impact on starch formation. “Dublon Super”, “Dublon Gold” and “Dublon” + “Balerina” reduced fiber content by 5–10%. As a result of herbicide use grain productivity increased, and protein yield raised from 0.51 to 0.75 l ha-1. Mixtures of “Dublon” + “Balerina” as well as “Dublon Gold” + “Balerina” provided the highest gross yields of starch, sugar, and crude fat. Significant positive correlation was observed among crude protein, fiber, fat, sugars and starch. The “Dublon” herbicides positively affected sugar concentration up to 32.6–33.3 g/kg. Due to higher fat content gross energy yield was the highest in the control — 19.37 MJ/kg. Herbicide treatment reduced gross energy due to the higher protein content in grain organic matter.


2019 ◽  
Vol 97 (12) ◽  
pp. 4904-4911 ◽  
Author(s):  
Charmaine D Espinosa ◽  
R Scott Fry ◽  
Matthew E Kocher ◽  
Hans H Stein

Abstract An experiment was conducted to test the hypothesis that Cu hydroxychloride improves nutrient digestibility and alters the concentration of microbial protein in the small intestine or large intestine by pigs fed a corn-soybean meal diet or a diet based on corn, soybean meal, and distillers dried grains with solubles (DDGS). Twenty-four barrows (33.3 ± 3.4 kg) that had a T-cannula installed in the distal ileum were allotted to a 2 × 2 factorial design with 2 levels of DDGS (0% or 45%) and 2 levels of supplemental Cu from Cu hydroxychloride (0 or 150 mg/kg). A 2-period switch back design with the 4 diets and 6 replicate pigs per diet in each period was used resulting in 12 replicate pigs per diet for the 2 periods. The initial 9 d of each period was considered an adaptation period to the experimental diets. For each period, feces were collected on days 10, 11, and 12, and ileal digesta were collected for 8 h on days 13 and 14. Results indicated that inclusion of 45% DDGS to diets reduced (P &lt; 0.05) the apparent ileal digestibility (AID) of AA and the AID and the apparent total tract digestibility (ATTD) of dry matter, gross energy, and crude protein. In contrast, inclusion of DDGS to diets increased (P &lt; 0.05) the AID and the ATTD of acid hydrolyzed ether extract and the concentration of microbial protein in the hindgut (P &lt; 0.05). However, the total concentration of volatile fatty acids (VFA) in ileal digesta and in feces from pigs fed the DDGS diets were not different from concentrations in pigs fed diets without DDGS. The AID and ATTD of dry matter, gross energy, and crude protein were not affected by dietary Cu concentrations, but the AID and ATTD of acid hydrolyzed ether extract were greater (P &lt; 0.05) in diets supplemented with Cu hydroxychloride compared with diets without Cu hydroxychloride. There was also a reduction (P &lt; 0.05) in the concentration of microbial protein and a tendency for a reduction (P &lt; 0.10) in the total concentration of VFA in feces when diets were supplemented with Cu hydroxychloride. In conclusion, supplementation of Cu hydroxychloride to diets improved AID and ATTD of acid hydrolyzed ether extract and reduced the concentration of microbial protein in the large intestine and this effect was observed in diets containing DDGS as well as in diets without DDGS.


1958 ◽  
Vol 38 (1) ◽  
pp. 65-72 ◽  
Author(s):  
L. E. Lloyd ◽  
E. W. Crampton

The substitution of a mixture of meat meal and whey powder for the skimmilk powder in a dry early-weaning pig ration resulted in a decreased rate of gain and feed efficiency. These decreases were shown to be due, at least in part, to a lower digestibility of crude protein and total carbohydrate in meat meal and whey powder rations.The addition of methionine did not improve rate of gain, feed efficiency or nutrient digestibility in any of the treatments studied. Thus, a methionine level of 0.65 per cent of the ration (2.5 per cent of the protein) appears to be adequate for pigs between 2 and 8 weeks of age.Rate of gain of pigs fed rations containing 26 per cent protein was significantly greater than that of pigs fed 30 per cent protein rations; but, in terms of feed efficiency and nutrient digestibility, both levels of protein resulted in similar values.The dry matter, gross energy, crude protein, ether extract and total carbohydrate of all rations were digested to a greater extent by 7- than by 3-week-old pigs.


2011 ◽  
Vol 50 (No. 2) ◽  
pp. 74-80 ◽  
Author(s):  
A. Sommer ◽  
M. Vodňanský ◽  
P. Petrikovič ◽  
R. Požgaj

It was confirmed in metabolic experiments with 4 individuals of roe deer (2 males and 2 females with the live weight of 20.8 and 17.9 kg, respectively) that due to the animals&rsquo; selective choice of a part of feeds there was no significant difference in the intake of lucerne hay of different quality and high-quality meadow hay (515.86 &plusmn; 66.97 and 597.82 &plusmn; 94.87 g, respectively). However, different quality of lucerne hay influenced the animals&rsquo; intake of crude protein and crude fibre. When the animals were fed meadow hay, they took in significantly less crude protein and fibre and significantly more nitrogen-free extract, fat and ash. Digestibility of crude protein was observed to be significantly decreased in hay of lower quality (by 10.1%). Digestibility coefficients for crude protein, crude fibre, organic matter and fat were significantly lower in grass hay compared to lucerne hay. Based on the coefficients of nutrient digestibility it can be stated that meadow hay, even if of excellent quality, is not a suitable supplement for the roe deer. &nbsp;


2020 ◽  
Vol 98 (Supplement_4) ◽  
pp. 314-315
Author(s):  
Heather L Acuff ◽  
Charles G Aldrich

Abstract Functional pet foods, such as those containing probiotics, are considered a key growth driver in the $37 billion market of dog and cat foods in the United States. Of particular interest to pet food applications is the patented bacterial strain Bacillus coagulans (GBI-30, 6086), a commercially available spore-forming non-toxigenic microorganism with high resiliency to stresses associated with commercial manufacturing. The objectives of this research were to examine the effect of Bacillus coagulans on stool quality, nutrient digestibility, and intestinal health markers in healthy dogs. High-protein, grain-free extruded diets containing graded levels of probiotic applied through extrusion or as a topical coating were fed to ten adult Beagle dogs of similar age. The study was designed as 5 x 5 replicated Latin square with 16-d adaptation followed by 5-d total fecal collection for each period. The five dietary treatments were formulated to deliver a dose of 0-, 6-, 7-, 8-, and 9-log10 colony-forming units (CFU) per dog per day. Data were analyzed using a mixed model through SAS (version 9.3, SAS Institute, Inc., Cary, NC) with treatment and period as fixed effects and dog as random effect. Apparent digestibility of organic matter, crude protein, crude fat, and gross energy were greatest for dogs fed the 9-log10 dose treatment (85.8, 83.6, 91.7, 84.0%, respectively), with increases (P &lt; 0.05) observed in gross energy and organic matter digestibility compared to the negative control. Crude protein digestibility tended (P &lt; 0.10) to increase as probiotic dose increased. No significant differences were observed in food intake, stool quality, fecal pH, fecal ammonia, or fecal short chain fatty acids. These results suggest that Bacillus coagulans has a favorable impact on nutrient digestibility and no apparent adverse effects when added to extruded diets at a daily intake level of up to 9-log10 CFU in healthy adult dogs.


2019 ◽  
Vol 27 (1) ◽  
pp. 15
Author(s):  
Ederson Américo Andrade ◽  
Miguel António Machado Rodrigues ◽  
Luis Ribeiro ◽  
Clayton Quirino Mendes ◽  
Luis Miguel Mendes Ferreira ◽  
...  

Although agro-industrial co-products have low economic value as foods for human consumption, they may have potential value as animal feedstuffs. This experiment was carried out to evaluate the effect of cowpea stover inclusion in rabbits’ diet on growth performance and nutrient digestibility. A total of 180 animals were randomly assigned to 3 treatments (CS0, CS2 or CS4, with no inclusion, 20 or 40 g/kg of cowpea stover, respectively). Animal performance was evaluated between the 53<sup>rd</sup> and 67<sup>th</sup> d of age in 48 animals per treatment. The coefficients of total tract apparent digestibility (CTTAD) of organic matter, crude protein, neutral detergent fibre and gross energy were measured between 63 to 67 d of age in 12 animals per treatment. Results showed that, in general, CTTAD values were not affected by the inclusion of cowpea stover. Nevertheless, a trend towards a decrease in crude protein digestibility (<em>P</em>=0.0848) was observed when including cowpea stover. This had a negative influence on digestible protein (P=0.0240) and on the ratio between digestible protein and digestible energy (<em>P</em>=0.0231) for diet CS4. Rabbits showed normal figures for growth rate (on av. 46.8 g/d), feed intake (on av. 168.3 g/d) and feed conversion ratio (on av. 3.61). Future studies should assess the possibility of incorporating higher levels of cowpea stover while analysing the economic impact of this inclusion.


1981 ◽  
Vol 29 (2) ◽  
pp. 79-92 ◽  
Author(s):  
Y. van der Honing ◽  
B.J. Wieman ◽  
A. Steg ◽  
B. van Donselaar

Two energy balance experiments each used 6 high-yielding dairy cows. In the first, a 3 X 3 Latin square with one replicate, rations were of 7 kg hay and 11 to 14 kg of concentrates having crude protein 251 g and gross energy 17.9 MJ/kg, given alone or with 5% tallow or 5% soya bean oil. Three weeks of adaptation were followed by 10 to 12 days when excreta were collected and gas exchange estimated. Digestibility and metabolizable energy of concentrates and hay were also assessed using wethers fed to maintenance only. Intakes of DM and digestibility of nutrients other than lipid did not differ among treatments with either sheep or cows. There were no apparent differences in rumen fermentation in the one cannulated cow used, and energy loss in urine was also unaffected. Lipid supplement reduced methane loss. Milk yield and milk energy were increased with tallow, with a simultaneous reduction of milk fat and percentage of protein. Soya bean oil reduced the percentage of milk fat and milk energy produced. The second trial, using similar animals and with similar management had a change-over design in which the concentrate was given alone or with 7% tallow. Results confirmed those of trial 1. The effect of level of feeding on the efficiency of utilization of energy is discussed. (Abstract retrieved from CAB Abstracts by CABI’s permission)


2018 ◽  
Vol 48 (5) ◽  
Author(s):  
Graciele Dalise Schirmann ◽  
Leonardo Tombesi da Rocha ◽  
Henrique da Costa Mendes Muniz ◽  
Josué Sebastiany Kunzler ◽  
Micheli Faccin Kuhn ◽  
...  

ABSTRACT: The aim of this study was to determine the chemical composition, digestibility, and net energy (NE) of broken rice (BRR), stabilized rice bran (SRB), and parboiled rice bran (PRB) for piglets. Two digestibility trials were performed with 12 and 18 male pigs with initial weights of 8 and 16kg, respectively. We performed total fecal collection using ferric oxide as fecal marker. The digestibility coefficients of organic matter, crude protein, and gross energy were higher (P<0.001) for the BRR compared to the SRB and PRB. The PRB presented a digestible energy 2% lower than that of BR and 5% higher than that of SRB. For BRR, average NE value was 3,228kcal/kg dry matter (DM), and the difference between the lower and higher value was 311kcal/kg DM. Average NE values of SRB and PRB were 2,896 and 3,293kcal/kgDM, respectively. The difference between the energy predicted by each equation reached 190kcal/kgDM for SRB and 285kcal/kgDM for PRB. In conclusion, BRR showed higher nutrient digestibility coefficients, except for EE and GE, which can be attributed to differences in the production processes. Regardless of the type of feedstuff tested, equations to predict NE values should be used carefully due to considerable differences in energy content.


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