Nutritive Value of High- and Low-Tannin Grain Sorghums Harvested and Stored in the High-Moisture State for Growing-Finishing Swine

Myer, R. O.; Gorbet, D. W.; Combs, G. E.

doi:10.2527/jas1986.6251290x

Cited by 14 publications

(17 citation statements)

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“…Este fato era esperado, pois já existem resultados semelhantes publicados para aves (Mitaru et al, 1983;Grigoletto et al, 2003), suínos (Cousins et al, 1981;Myer et al, 1986;Patricio et al, 2003) e ruminantes (Hibberd et al 1985;Streeter et al, 1990).…”

Section: Resultsunclassified

“…Crenshaw et al (1984) observaram para grãos colhidos com 14 e 25% U valores de PB de 10,5 e 10,3% PB, respectivamente, enquanto Myer et al (1986), trabalhando com grãos de sorgo contendo 11 e 25% U, observaram tendência de os grãos de sorgo de alto conteúdo de tanino terem maiores conteúdos de proteína, lisina, metionina e EE que o sorgo de baixo teor de tanino.…”

Section: Introductionunclassified

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Valor nutritivo e estudo cinético do trato digestivo de dietas contendo grãos secos ou ensilados de sorgo de baixo e alto tanino para eqüinos

et al. 2007

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RESUMO -Quatro éguas sem raça definida (idade e peso corporal médios de seis anos e 400 kg) foram distribuídas em delineamento experimental em quadrado latino para se avaliar o valor nutritivo e o estudo cinético do trato digestivo de grãos secos ou ensilados de sorgo de baixo e alto conteúdos de tanino na alimentação de eqüinos. Os tratamentos consistiram de dietas contendo dois híbridos de grãos de sorgo (baixo e alto níveis de tanino) e dois métodos de conservação (secos e ensilados). As dietas foram isoprotéicas (12,4% PB), com ingestão diária de MS estabelecida em 1,5% PV (relação feno:concentrado de 50: 50). Os parâmetros de trânsito gastrintestinal avaliados foram: k1 (taxa de passagem pelo intestino grosso), k2 (taxa de passagem pelo estômago), TT (tempo de trânsito), TMR (tempo médio de retenção) e TMRT (tempo médio de retenção total). Os tratamentos não afetaram os coeficientes de digestibilidade aparente (CDa) da MS e do amido, cujos valores médios foram 54,04 e 98,91%, respectivamente. Verificou-se efeito benéfico da ensilagem dos grãos de sorgo de alto conteúdo de tanino sobre a digestibilidade da PB e FDN. A CDa da PB e FDN para a dieta contendo grãos secos de sorgo de alto teor de tanino foi de 49,76 e 32,20% e para as dietas com grãos de sorgo de baixo conteúdo de tanino (seco ou ensilado) e grãos ensilados de sorgo de alto teor de tanino foi de 65,63 e 43,32%, respectivamente. Obteve-se somente efeito do método de conservação dos grãos de sorgo (secos vs ensilados) sobre o TMR, em que o valor para as dietas com silagens de grãos ensilados e secos foi, respectivamente, de 40,08 e 37,9h. Concluiu-se que os grãos de sorgo secos de alto teor de tanino não devem ser usados como principal grão energético nos concentrados para eqüinos, por diminuírem a digestibilidade da proteína e fibra.Palavras-chave: cavalo, digestibilidade, taxa de passagem, trânsito gastrintestinal Nutritive value and kinetics study of digestive tract of diets to equine containing dry grains or high-moisture of sorghum grains silage of low and high tannin ABSTRACT -Four crosbred mares averaging six years and 400 kg BW were allotted to latin square design. The objective was to evaluate the nutritive values and kinetics of digestive tract of dry grains or high-moisture grains silage of sorghum with low and high tannin in the feeding of equines. The treatments consisted of diets containing two hybrids of sorghum grains (low and high tannin) and to methods of conservation (dry an ensiled). Diets were formulated to be isoprotein (12.4% CP) with daily DM intake established in 1.5% BW (hay to concentrate ratio of 50:50). The parameters of gastrointestinal transit were: k1 (passage rate in the large intestine); k2 (passage rate in the stomach); TT (transit time); MRT (mean retention time) and TMRT (mean total retention time). No effect treatment was observed for aCD of DM and starch, whose means values were 54.04 and 98.91%, respectively. A benefic effect of the ensiling of high tannin and high-moisture sorghum grains on digestibility of ...

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Section: Resultsunclassified

Section: Introductionunclassified

Valor nutritivo e estudo cinético do trato digestivo de dietas contendo grãos secos ou ensilados de sorgo de baixo e alto tanino para eqüinos

et al. 2007

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“…Myer et al [46] evaluated sorghum with different tannin levels for growing-finishing swine and considered a tannin content of 1.3 to 3.6% as high and 0.1 to 0.7% as low. The variety used in this study had a tannin content of 4.8%, classified as a high tannin grain sorghum.…”

Section: Discussionmentioning

confidence: 99%

Effect of partial substitution of rice with sorghum and inclusion of hydrolyzable tannins on digestibility and postprandial glycemia in adult dogs

Teixeira

Pinto

Kessler

et al. 2018

Preprint

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22Sorghum is used as a substitute of rice in dog food, owing to its nutritional similarity 23 and low cost. However, its use has been associated with negative effects, like a reduction in 24 palatability, digestibility, and enzyme activity, which can decrease nutrient absorption. The 25 presence of condensed tannins (CT) in sorghum may cause these effects. Another tannin group, 26 the hydrolysable tannins (HT), is known for its antioxidant properties. Research has shown the 27 nutritional effects of sorghum on dogs, but the effect of HT on dogs remains unknown. We 28 evaluated the effects of substituting rice with sorghum containing CT and inclusion of 29 commercial extract of HT on digestibility, fecal and urinary characteristics, and postprandial 30 blood glucose levels in adult dogs. Nine adult Beagle were randomly subjected to 4 treatments: 31 (R) 50% rice; (RS) 25% rice + 25% sorghum; (RHT) 50% rice + 0.10% HT; (RSHT) 25% rice 32 + 25% sorghum + 0,10% HT. Tannins did not affect food intake. The digestibility of dry matter, 33 organic matter, crude protein, acid hydrolyzed fat, gross energy, and metabolizable energy 34 (ME) decreased with sorghum inclusion (P < 0.05). Sorghum also decreased protein 35 digestibility (P < 0.05). Greater fecal dry matter was observed with the RHT diet. HT associated 36 with sorghum reduced ME (P < 0.05). Sorghum inclusion enhanced fecal output, without 37 altering fecal score (P > 0.05). No alterations in urinary characteristics were observed. Sorghum 38 and HT did not affect the postprandial blood glucose response measured by the area under the 39 curve (P > 0.05). The substitution of rice by sorghum negatively affected protein absorption 40 and ME of the diets. Sorghum can be considered as a good source of carbohydrates in 41 therapeutic diets for weight control. HT may potentiate the effect of CT, but more research is 42 needed to evaluate its potential use in dog nutrition. 43 44 46Carbohydrates are the main source of energy for most commercial dry-extruded diets 47 for adult dogs, with cereal grains representing 30 -60% of the final formula [1]. Rice is a 48 functional ingredient regularly used in extruded dog food, due to its high digestibility. But, 49 with the growing pet population over the past years, as well as the pet food industry, the search 50 for alternative ingredients to provide nutritional quality and functional properties is becoming 51 increasingly important [2]. 52In this scenario, sorghum (Sorghum bicolor L. Moench) appears as a viable option 53 owing to its high productivity per hectare, drought tolerance, resistance to pests, good 54 nutritional value, and lower cost of production, when compared with rice and corn [3]. 55Sorghum is commonly used-partially or wholly-as a source of energy in diets for non-56 ruminant animals, such as pigs and poultry [4,5]. It has been associated with some negative 57 effects, however, especially on animal performance. Research has shown that those negative 58 effects are linked to the presence of phenolic compoun...

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“…An experiment conducted by MYER et al (1986) with pigs from 28kg to 98kg reported an improvement of 3% on feed:gain ratio of pigs fed high-moisture sorghum grain silage at 25% moisture level compared to those that received dried grains. Best responses in performance, especially in feed: gain ratios were also verified by OLIVEIRA et al (2004), TÓFOLI et al (2006) and, TSE et al (2006.…”

Section: Ingredientsmentioning

confidence: 99%

High-moisture sorghum grain silage with low- and high-tannin contents for weanling piglets

et al. 2017

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Sorghum is the second cereal used in pigs’ diets in Brazil, which has a lower cost than corn, thus this experiment aimed to study the effects of high-moisture sorghum silage grain with high- and low-tannin contents on silage quality and piglets’ performance. A total of seventy-two weaned piglets were allocated into randomized blocks with six replicates and four treatments, based on diets with dry corn grain (DCG); dry sorghum grain with low-tannin (LTSG), high-moisture sorghum grain silage with low-(LTSS) and high-tannin (HTSS). The ensiling process decreased total and condensed tannin contents to 31% and 98% for LTSS and, to 80% and 93% for HTSS, respectively. No treatment effects observed on average daily feed intake and average daily weight gain. The feed:gain ratio of piglets fed LTSS was greater than piglets fed LTSG. At total period, piglets fed HTSS showed a similar feed:gain ratio than piglets fed DCG or LTSG, although it was worse than animals fed LTSS. The LTSS and HTSS can replace corn or sorghum dry grains in diets of weanling pigs with no adverse effects on growth performance.

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Nutritive Value of High- and Low-Tannin Grain Sorghums Harvested and Stored in the High-Moisture State for Growing-Finishing Swine

Cited by 14 publications

References 0 publications

Valor nutritivo e estudo cinético do trato digestivo de dietas contendo grãos secos ou ensilados de sorgo de baixo e alto tanino para eqüinos

Valor nutritivo e estudo cinético do trato digestivo de dietas contendo grãos secos ou ensilados de sorgo de baixo e alto tanino para eqüinos

Effect of partial substitution of rice with sorghum and inclusion of hydrolyzable tannins on digestibility and postprandial glycemia in adult dogs

High-moisture sorghum grain silage with low- and high-tannin contents for weanling piglets

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