Dietas para ovinos contendo capim elefante maduro e raspa de mandioca: estimativa de digestibilidade aparente por meio de indicadores

Magalhães, André Luíz Rodrigues; Teodoro, Ana Lúcia; Souza, Marcílio Ferreira; Junior, Jaelson; Sousa, Daurivane Rodrigues; Santos, Kelly Cristina dos; Andrade, Alberício Pereira de; Pinto, Chrisantha; Barbosa, I.F.T.; Silva, S.M.C.

doi:10.21071/az.v67i258.3660

Cited by 5 publications

(3 citation statements)

References 8 publications

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“…The positive results with LIPE in tests of nutrient consumption and ADMD appear to be an advantage, and its use is feasible because of the shorter period of adaptation of the animals to the diet and ease of administration, which helps reduce animal stress and behavioral changes. However, different results were obtained by Magalhães et al (2018), who recommended using INDF and IADF because they were more accurate than LIPE ® .…”

Section: Markersmentioning

confidence: 97%

“…IMs are natural constituents of animal feed, including silica, acid-insoluble ash, lignin, fecal nitrogen, indigestible dry matter (IDM), indigestible neutral detergent fiber (INDF), and indigestible acid detergent fiber (IADF) (KOZLOSKI et al, 2009;LEE;HRISTOV, 2013;ALVES et al, 2016;MAGALHÃES et al, 2018). The results using known indicators may vary because of the adoption of different analytical techniques, partial fecal recovery rates, and different responses to diets, among other reasons, leading to precision errors in digestibility estimates.…”

Section: Introductionmentioning

confidence: 99%

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Use of indigestible markers to estimate the apparent dry matter digestibility of diets containing a cocoa by-product

Figueiredo

Saliba

Barbosa

et al. 2019

SCA

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Fecal production and apparent dry matter digestibility (ADMD) were evaluated using external markers (chromium oxide; titanium dioxide; isolated, purified, and enriched lignin (LIPE®); and isolated, purified, and enriched lignin nanoparticles (NANOLIPE®) and internal markers (indigestible DM (IDM), indigestible neutral detergent fiber (INDF), and indigestible acid detergent fiber (IADF) in diets based on Tifton 85 bermuda grass (Cynodon sp.) hay containing different concentrations of a cocoa by-product. Sixteen crossbred (Holstein × Zebu) dairy heifers with a mean live weight of 363.00 ± 27.70 kg were evaluated and distributed in a completely randomized block design with a split-plot arrangement. The plots corresponded to the diets, which differed in the substitution of bermuda grass hay with different concentrations (0, 8, 16, and 24% of DM) of the cocoa by-product, whereas the splitplots represented the indigestible markers. Chromic oxide, LIPE®, NANOLIPE®, and INDF accurately estimated ADMD and fecal production whereas titanium dioxide, IDM, and IADF did not accurately estimate these parameters.

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Section: Markersmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Use of indigestible markers to estimate the apparent dry matter digestibility of diets containing a cocoa by-product

Figueiredo

Saliba

Barbosa

et al. 2019

SCA

View full text Add to dashboard Cite

show abstract

“…1989; Oba and Allen, 1999). However, in vivo evaluation by total fecal collection is an expensive and laborious process that requires the same animals, experimental control and may cause discomfort (France et al, 1988;Magalhães et al, 2018). Potentially digestible fiber (pdNDF) estimate could be obtained by the difference between NDF concentration and remaining undigested NDF (iNDF) after a period of ruminal incubation.…”

Section: Indigestible Ndf In Different Ruminant Speciesmentioning

confidence: 99%

Evaluación de fibra detergente neutra indigestible con incubación en diferentes especies

et al. 2021

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Objetivo do presente estudo foi avaliar a concentração da fibra em detergente neutro indigestível (FDNi) após a incubação ruminal em bovinos, caprinos e ovinos, e comparar os diferentes resultados com os métodos de estimativa e relacionar os dados com as análises químicas. Quatros forragens (silagem de milho, cana-de-açúcar, Brachiaria decumbens cv. Marandu e Panicum maximum cv. Tanzânia) dois concentrados (milho em grão e farelo de soja), um subproduto (casquinha de soja) e três amostras de fezes (bovino, caprino e ovino) foram incubadas em novilhos Nelore, cabras Saanen e ovinos Santa Inês. Os animais foram previamente adaptados a dieta experimental por 8 dias e incubação ocorreu por 240 horas. A concentração de FDNi foi mais alta nas amostras incubadas no rúmen de caprinos comparada com amostras incubadas no rúmen de bovinos. A incubação nos ovinos aumentou a concentração de FDNi nas forragens e tendeu a aumentar no concentrado e subproduto em relação a incubação no rúmen de bovinos. A concentração de FDNi foi similar para incubação em ovinos e caprinos. Em adição, as fezes bovinas tiveram alta concentração de FDNi, e as fezes de caprinos tiveram menor concentração de FDNi em relação às fezes de ovinos. O modelo CNCPS subestimou a concentração de FDNi nas amostras. Estimativas da FDN não degradável por Conrad et al. (1984) subestimou a concentração de FDNi na cana-de-açúcar e superestimou a concentração de FDNi no P.maximume concentrados. Em geral, a concentração de lignina foi ocomponente das amostrasmais relacionado com a concentração de FDNi. FDA foi a melhor para forragens (R2 = 0.668) e FDN foi melhor para concentrados (R2 = 0.454). Em conclusão, os processos digestivos das diferentes espécies afetam a concentração de FDNi do alimento. Erros nas estimativas dos modelos foram consideráveis e as características dos alimentos afetam a composição química e concentração de FDNi.

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External markers for the estimation of intake by dairy cows in feedlots

Costa,

Carneiro,

Lopes

et al. 2024

Ciênc. anim. bras.

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The accurate determination of individual dry matter intake (DMI) is an important parameter for evaluating the nutritional value of a diet and allows for an adequate supply of food according to the nutritional requirements of each animal. When it is not possible to measure this parameter using a direct method, the DMI can be estimated based on faecal production markers and the in vitro digestibility of dry matter (IVDMD) of the diet. The objective of this study was to evaluate the effects of the external marker titanium dioxide (TiO2) and enriched and modified hydroxyphenylpropane (LIPE®) on DMI. Four multiparous Holstein × Gyr cows with an average of 60 days in milk and 488 kg of body weight were used. The animals were housed in a free stall barn and fed diets based on sugarcane silage supplemented with concentrate composed of ground corn, cottonseed meal and 0%, 5%, 10% and 15% whole cottonseed on a dry matter (DM) basis. A 4 x 4 Latin square design was adopted. The DMI was determined by the ratio between the faecal production estimated by the markers and the IVDMD of the diet, with faeces collected by rectal grabbing twice a day for a period of seven days. There was no difference (P>0.05) in the DMI estimated by the external markers TiO2 and LIPE® (10.3 vs. 12.1; 11.1 vs. 12.5; 10.2 vs. 12.9; and 12.7 vs. 10.9 kg/cow/day in relation to the measured DMI for diets with 0%, 5%, 10% and 15% inclusion of whole cottonseed, respectively). The external markers LIPE® and TiO2 proved to be suitable for estimating cow DMI. Regardless of the diet offered, both external markers can be used to replace the external marker chromic oxide, as the DMI estimated by them did not differ from the DMI measured in the trough.

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Dietas para ovinos contendo capim elefante maduro e raspa de mandioca: estimativa de digestibilidade aparente por meio de indicadores

Cited by 5 publications

References 8 publications

Use of indigestible markers to estimate the apparent dry matter digestibility of diets containing a cocoa by-product

Use of indigestible markers to estimate the apparent dry matter digestibility of diets containing a cocoa by-product

Evaluación de fibra detergente neutra indigestible con incubación en diferentes especies

External markers for the estimation of intake by dairy cows in feedlots

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