Consumo, digestibilidade dos nutrientes e características ruminais de cordeiros alimentados com níveis crescentes de concentrado em ambiente tropical no Vale do Alto Guaporé - MT

Geron, Luiz Juliano Valério; Mexia, Alexandre Agostinho; Cristo, Renato Lima; Garcia, Jocilaine; Cabral, Luciano da Silva; Trautmann, Raquel Joana; Martins, Osvaldo de Souza; Zeoula, Lúcia Maria

doi:10.5433/1679-0359.2013v34n5p2497

Cited by 18 publications

(22 citation statements)

References 11 publications

(25 reference statements)

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“…The observed values for ADF digestibility in this study are close to the observed variation in the literature (CUNHA et al, 2009;GERON et al, 2013, LEITE et al, 2013, of 61.00% to 36.43%, for sheep rations containing agribusiness residues.…”

Section: Variablessupporting

confidence: 77%

“…A study conducted by Geron et al (2013), with lambs fed with 20%, 40%, 60%, and 80% concentrates in their diets, showed that on average, diets with 40% concentrate improved DM intake, so the diets used in this study, which had a ratio of 50% concentrate and 50% roughage, was close to the maximum suggested DM intake. This indicated that including 15% RETP in the sheep's diet would not interfere with DM intake and consequently the acceptability of the ration.…”

Section: Resultsmentioning

confidence: 99%

“…This explains how the ADF content of the diets (Table 2) is related to the variation observed for ADF digestibility among the treatments (Table 4), which was 19.98% lower for the 15% RETP (33.05%) diet compared to the 0% RETP (41.30%) diet. In diets containing roughage and concentrate, the value for ADF digestibility usually tends to decrease when the DM intake and ADF levels increase due to shorter retention times in the rumen of the gastrointestinal tract (RAMOS et al, 2000;GERON et al, 2013).…”

Section: Variablesmentioning

confidence: 99%

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Nutrients intake and digestibility in sheep fed with residue from the extraction of tamarind pulp

Geron

Costa

Garcia

et al. 2015

SCA

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This study aimed to evaluate nutrient intake and digestibility by sheep fed diets containing residue from the extraction of tamarind pulp (RETP). We used four sheep with a mean body weight (BW) of 40.38 kg, whose pens were distributed in a Latin square design. The diet treatments contained 0, 5, 10 and 15% of RETP. The variables were subjected to analysis of variance and the differences observed were tested using regression equations at 5% significance. The intake of dry matter (DM), organic matter (OM), crude protein (CP), total carbohydrates (TC), and non-fiber carbohydrates (NFC),expressed in g day -1 , % BW and g kg 0,75-1 , were not significantly affected (p>0.05) by the inclusion of RETP. The intake of ether extract (EE) and neutral detergent fiber (NDF) showed a linear increase (p<0.05) as RETP content rose. However, the digestibility of DM, CP, TC, and total digestible nutrients (TDN) decreased linearly (p<0.05), while the digestibility of EE, NDF, ADF, and NFC, with average values of 62.12%; 79.95%; 41.59%; 37.12%, and 91.57%, respectively, were not significantly affected (p>0.05) when RETP was included in the diet. The inclusion of up to 15% of the residue from the extraction of tamarind pulp changes the intake of ether extract and neutral detergent fiber, and reduced dry matter, crude protein, and total carbohydrates in the sheep's diet. Key words: Confinement, crude protein, fruit, neutral detergent fiber ResumoObjetivou-se avaliar o consumo e a digestibilidade nutrientes em ovinos alimentados com rações contendo resíduo da extração da polpa de tamarindo (REPT). Foram utilizados quatro ovinos com peso corporal (PC) médio de 40,38 kg, distribuídos em um delineamento em quadrado latino. As rações apresentaram inclusão de 0%, 5%, 10% e 15% de REPT. As variáveis estudadas foram submetidas à análise de variância e as diferenças observadas foram testadas utilização equação de regressão a 5% de significância. O consumo de matéria seca (MS), matéria orgânica (MO), proteína bruta (PB), carboidratos totais (CHT) e carboidratos não fibrosos (CNF) expressos em g dia e g kg 0,75-1 com a inclusão do REPT. A digestibilidade da MS, PB, CHT e nutrientes digestíveis totais (NDT) reduziram linearmente (p<0,05), enquanto, a digestibilidade do MO, EE, FDN, FDA e CNF não apresentaram efeito significativo (p>0,05) conforme aumentou a inclusão do REPT, com valores médios de 62,12%; 79,95%; 41,59%; 37,12% e 91,57%, respectivamente. A inclusão de até 15% do resíduo da extração da polpa de tamarindo altera o consumo de extrato etéreo e fibra em detergente neutro e reduz a digestibilidade da matéria seca, proteína bruta e carboidratos totais nas rações de ovinos. Palavras-chave: Confinamento, fibra em detergente neutro, fruta, proteína bruta

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Section: Variablessupporting

confidence: 77%

Section: Resultsmentioning

confidence: 99%

Section: Variablesmentioning

confidence: 99%

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Nutrients intake and digestibility in sheep fed with residue from the extraction of tamarind pulp

Geron

Costa

Garcia

et al. 2015

SCA

Self Cite

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“…The higher the fiber content in the diet, the faster the rumen fill and animal satiation (GERON et al, 2013;RIBEIRO et al, 2009; VAN SOEST, 1994;). This was observed in the present study because DM intake increased with supplementation level, and feed intake was lower in non-supplemented lambs (Table 1).…”

Section: Resultsmentioning

confidence: 99%

Protein-energy supplementation for lambs: feed intake, ingestive behavior, rumen parameters and nutrient digestibility

Silva

Ítavo

et al. 2017

SCA

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The study evaluated the effects of dietary protein-energy supplementation on feed intake, ingestive behavior, rumen parameters and nutrient digestibility in lambs. Four castrated lambs with 31.9 kg mean body weight and fistulated rumen were tested. distributed into latin square design (4x4), four treatments were tested over four periods of time: no supplementation (control) or with supplementation at 8, 16 and 24 g kg -1 body weight. The supplement (soybean meal, soybean hulls, ground corn and minerals) was provided with roughage (Tifton Bermudagrass, Cynodon spp., hay), which was offered ad libitum once a day, at 8h00. In treatments receiving 0 (control), 8, 16 and 24 g kg -1 supplementation, dry matter intake was 685.26, 742.86, 842.51 and 1013.33 g day -1 , crude protein intake was 80.18, 95.98, 118.64, 150.14 g day -1 and metabolizable energy intake 1.55, 1.91, 2.31 and 2.98 g day -1 , respectively. Treatments receiving the highest supplementation levels spent less time with rumination and feeding and rested for longer (P < 0.05). Protein-energy supplementation level did not affect rumen parameters. Average rumen pH was 6.3 and rumen ammonia nitrogen 165 mg dL -1 ; both were affected by sampling time. Supplementation levels until 24 g kg -1 BW improves feed intake and nutrient digestibility linearly and changes ingestive behavior, lowering rumination time without affecting rumen parameters. Key words: Diet. Ammonia nitrogen. Rumen pH. Rumination. Sheep. ResumoObjetivou-se avaliar o efeito da suplementação proteico-energética sobre o consumo, comportamento ingestivo, parâmetros ruminais e digestibilidade de nutrientes em ovinos. Foram utilizados quatro cordeiros castrados, com peso médio de 31,9 kg, fistulados no rúmen. O delineamento foi quadrado latino (4x4), sendo 4 tratamentos e 4 períodos: controle (sem suplementação) e suplementados com 8, 16 e 24 g kg -1 do peso corporal (PC content intake diet, which moves slowly through the gastrointestinal tract, thereby limiting feed intake. Diets containing protein-energy supplements increase total dry matter intake, lowering roughage intake and increasing voluntary nutrient intake, which can improve performance (JOCHIMS et al., 2010). On the other hand, although supplements can attenuate nutritional deficiency arising from poor quality pastures, they may also raise production costs and even make sheep husbandry unfeasible if used in excess (VOLTOLINI et al., 2009). Accordingly, the present study evaluated protein-energy supplementation levels for lambs by assessing their ingestive behavior, rumen parameters and nutrient digestibility.

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“…Determining the appropriate level of concentrate in the animal diet can also prevent feed waste in the feedlot and improve performance during the growing and finishing phases (GERON et al, 2013). Thus, this study aimed to evaluate the performance of feedlot crossbred ewe lambs and the digestibility of diets with increasing levels of concentrate during the growing and finishing phases.…”

Section: Introductionmentioning

confidence: 99%

Growing and finishing crossbred feedlot ewe lambs fed with increasing levels of concentrate in the diet

Ribeiro

Morais

Souza

et al. 2016

SCA

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To maximize economic gain in sheep production systems it is critical to adjust feedlot diets to maximize performance while minimizing feed, and especially concentrate, waste. Little information is available on ideal diets for crossbred ewe lambs. Therefore, this study aimed to evaluate the performance of feedlot crossbred ewe lambs, and the digestibility of diets, with increasing levels of concentrate during the growing and finishing phases. Twenty-four crossbred Texel × Pantaneira Texel ewe lambs were confined and fed Tifton hay with increasing levels of concentrate in the diet (20, 40, 60 and 80%) for individual evaluation of dry matter intake (DMI), digestibility of diets, average daily gain (ADG) and feed efficiency (FE). Animals were slaughtered at 47 kg. In the growing phase, the inclusion of concentrate in the diets (1176 g.kg -1 ) did not change DMI (p > 0.05). Concentrate levels had a quadratic effect (p < 0.05) on the dry matter digestibility coefficient (DMDC) and on total digestible nutrients (TDN) during the growing phase. In the finishing phase, there was a negative linear effect of concentrate levels on DMI (p < 0.05), but TDN intake was similar among the experimental diets (p > 0.05). DMDC and TDN values displayed a quadratic behavior (p < 0.05), plateauing at 60% concentrate. ADG and FE increased as concentrate was added to the diet in the growing phase (p < 0.05). During the finishing phase, lamb performance was similar (p > 0.05) for different diets. Thus, the use of 60% concentrate in the confined crossbred ewe lamb diet during growing and 20% concentrate during finishing is recommended. Key words: Feedlot. Digestibility coefficient. Intake. Weight gainh. ResumoPara maximizar o ganho econômico em sistemas de produção de ovinos é fundamental ajustar as dietas de confinamento para aumentar o desempenho e minimizar os custos e desperdícios com alimentação, especialmente com concentrado. Existem poucas informações sobre avaliação de dietas ideais para cordeiras mestiças. Objetivou-se avaliar o desempenho de cordeiras mestiças confinadas e a digestibilidade de dietas com níveis crescentes de concentrado durante as fases de recria e terminação. Foram confinadas 24 fêmeas mestiças Texel (1/2 Pantaneira x 1/2 Texel) alimentadas com feno de capim-Tifton e níveis crescentes de concentrado na dieta (20, 40, 60 e 80%) para avaliação individual do consumo de matéria seca (CMS), digestibilidade dos nutrientes das dietas, ganho médio diário (GMD) e eficiência alimentar (EA). Os animais foram abatidos com 47 kg. Na fase de recria, o CMS não foi alterado (p > 0,05) pela inclusão de concentrado nas dietas (1176 g kg -1 ). Foi observado efeito quadrático dos níveis de concentrado (p < 0,05) sobre os coeficientes de digestibilidade de matéria seca (CDMS) e nutrientes digestíveis totais (NDT) durante a recria. Na fase de terminação, houve efeito linear negativo dos níveis de concentrado sobre o CMS (p < 0,05), porém a ingestão de NDT foi similar entre as dietas experimentais (p > 0,05). O CDMS e o valor...

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Consumo, digestibilidade dos nutrientes e características ruminais de cordeiros alimentados com níveis crescentes de concentrado em ambiente tropical no Vale do Alto Guaporé - MT

Cited by 18 publications

References 11 publications

Nutrients intake and digestibility in sheep fed with residue from the extraction of tamarind pulp

Nutrients intake and digestibility in sheep fed with residue from the extraction of tamarind pulp

Protein-energy supplementation for lambs: feed intake, ingestive behavior, rumen parameters and nutrient digestibility

Growing and finishing crossbred feedlot ewe lambs fed with increasing levels of concentrate in the diet

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