In situ degradation of dairy cattle feedstuffs using reusable local nylon fabric bags

Despal, Despal; Alifianty, Ouldya Fasya; Pratama, Adinda Putri; Febrianti, Fransiska; Evvyernie, D; Wijayanti, Indah; Nuraina, Norma; Agustiyani, Indri; Rosmalia, A

doi:10.14202/vetworld.2022.2234-2243

Cited by 6 publications

(9 citation statements)

References 36 publications

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“…The cattle were fed twice daily in the morning and afternoon with composition diets of 60% Napier grass and 40% concentrate mix on a dry matter basis. The ration contained 61% TDN, 11.6% CP, 0.39% Ca, and 0.33% P. The nylon bags used in this study were self-produced using Abutai material (Despal et al, 2022b), comparable to ANKOM nylon bags. A 5 g of foliage samples were put in the nylon bag, incubating in the rumen for 6, 9, 12, 24, 48, and 72 h. Three bags per sample were incubated to generate sufficient residue for subsequent analysis.…”

Section: In Situ Digestibility Methodsmentioning

confidence: 99%

“…The most frequently used RDP in situ method required serial observation and protein analysis to build a model to predict RDP according to the passage rate (Ørskov & Mcdonald, 1979). Although the disposal of imported bags used in the in situ method can be replaced using reusable local fabric (Despal et al, 2022b), serial observation is required to build the RDP prediction model. The observations required a lot of sample and protein analysis.…”

Section: Introductionmentioning

confidence: 99%

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Comparison of Chemical Composition, In Vitro Digestibility, and Near Infrared Reflectance Spectroscopy in Estimating In Situ Rumen Degradable Protein of Tropical Foliage

Despal¹,

Yulianti²,

Zahera³

et al. 2023

Trop. Anim. Sci. J.

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Tropical foliage is an alternative source for protein enrichment in the dairy ration. However, due to the expensive, laborious, and time-consuming data-gathering method, its degradability database for inclusion in ration formulation is still lacking. This study aims to estimate tropical foliage's in situ protein degradability (RDP) using chemical compositions, in vitro digestibilities, and near infrared reflectance spectroscopy (NIRS) methods. The study used one hundred ten tropical foliage samples and observed chemical composition, in vitro dry and organic matter digestibility, and in situ degradation characteristics variables. NIRS spectra were collected to calibrate and validate the in situ degradation characteristics. Correlations were made prior to regression analysis. The results showed that tropical foliage varied in ash (3.02%-18.3%), crude protein (CP) (11.6%-30.7%), crude fiber (CF) (10.2%-29.8%), neutral detergent fiber (NDF) (31.0%-58.2%), acid detergent fiber (ADF) (18.7%-44.1%), dry matter digestibility (DMD) (23.9%-73.2%), organic matter digestibility (OMD) (25.6%-73.9%), and in situ RDP (21.0%-75.4%). The foliage was highly degraded (RDP > 60%) except for Calliandra calothyrsus (59%). In situ RDP significantly correlated with ash, CP, CF, DMD, and OMD with coefficient correlations (r) of 0.43, 0.60, -0.33, 0.74, and 0.76, respectively. Estimation of RDP using chemical composition and in vitro digestibility followed the equation: RDP (%)= 0.69 + 2.122 CP (%) with R²= 0.41 (p<0.01) and RDP (%)= 0.162 ash + 1.270 CP -0.104 CF + 0.489 IVOMD, with R²= 0.68, p<0.01). Calibration of NIRS using in situ RDP resulted in a regression coefficient (R²) of 0.78. It is concluded that RDP tropical foliage can be estimated more accurately using NIRS compared to in vitro digestibility and chemical composition.

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Section: In Situ Digestibility Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparison of Chemical Composition, In Vitro Digestibility, and Near Infrared Reflectance Spectroscopy in Estimating In Situ Rumen Degradable Protein of Tropical Foliage

Despal¹,

Yulianti²,

Zahera³

et al. 2023

Trop. Anim. Sci. J.

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“…The moisture content of rice bran from West Java was significantly higher than that from West Sumatra. According to [24], moisture below 14% is safe for dairy cattle trading concentrate. Therefore, rice bran from both provinces of origin was still in the moisture content range save from trading.…”

Section: Chemical Composition Of Rice Bran From the Different Provinc...mentioning

confidence: 99%

Detection of counterfeiting rice bran using near-infrared reflectance spectroscopy (NIRS)

Damela,

Despal,

Adrizal

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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This study aims to compare rice bran quality from different origins and to differentiate rice bran from rice husk based on the spectrum produced by Near Infrared Reflectance Spectroscopy (NIRS) technology. The rice bran used in this study comes from mills and poultry shops in West Java and Sumatra. This study used husks as an adulteration mixing material in rice bran with mixing levels of 25% rice bran: 75% husk, 50% rice bran: 50% husk, and 75% rice bran: 25% husk. Proximate compositions (water content, ash content, ether extract (EE), crude protein (CP), and crude fiber (CF)) were observed. NIRS spectra were collected using the Buchi NIRCal 5.2 application. The results showed an interaction between provider and origin on rice bran EE, CP, and CF contents. Rice bran provided by the miller had better quality with higher CP (17.3% vs. 12.2%) and lower CF (12.0% vs. 16.6%) content in the West Java origin case and higher EE (16.5% vs. 11.1%) in West Sumatera case. The broad spectra distribution showed the variety of the rice bran quality from the poultry shop. The artificial adulteration spectra confirm the impure rice bran quality from the poultry shop.

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“…The feed was given twice daily at 7:00 am and 2:00 pm. The ratio used in this study was a mix of elephant grass and concentrate with a ratio of 60:40 DM, similar to the feeding pattern described by Despal et al (2022). The experimental design used a 35 factorial randomized block design and three replications.…”

Section: Animal and Experimental Designmentioning

confidence: 99%

In Sacco and in vitro Evaluation of Heating and Formaldehyde Treated Protein Feed

Rosmalia,

Permana,

Despal

et al. 2024

American Journal of Animal and Veterinary Sciences

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Massive protein conversion into ammonia in the Rumen (RDP) should be avoided to prevent protein quality deterioration. Heating and formaldehyde treatments are commonly used to decrease Rumen-Degradable Protein (RDP), but it rarely used to protect local feed. We aimed to compare the effectiveness of heating and formaldehyde treatments in decreasing the RDP of local feed. The use of fistulated cattle, treatments, and procedures used in this study have been ethically cleared by the animal ethics committee, at IPB University. This study used a 5×3 factorial randomized block design with three replications with a sample size was 45. We used two factors; the 1 st was high RDP feeds (TD = Tempe Dregs, BW = Brewery Waste, NSM = Nigella sativa Meal, SS = Soybean Seeds, CGF = Corn Gluten Feed) and the 2 nd was treatment methods (unprotected, heating and formaldehyde). Ruminal degradation was determined using in sacco method. Three cannulated Frisian Holstein Bulls were fed twice daily with Elephant grass and concentrate at a ratio of 60:40 (DM basis). In vitro digestibility was evaluated using two two-stage Tilley and Terry in vitro methods. Parameters observed include nutrient content, in sacco degradation and ruminal degradation kinetics of dry matter, organic matter, crude protein (DM, OM, and CP), and in vitro digestibility. The results showed that protecting protein changed the nutrient content of feeds (1-6%). The DM and OM disappearance had the same pattern. The effective degradation of DM, OM, and CP significantly (p<0.05) decreased up to 17 and 27% in heating and formaldehyde treatments, respectively, compared to unprotected. Heating did not significantly affect the in vitro digestibility. Formaldehyde treatment had the lowest DM, OM, and CP in vitro digestibility (51.39, 74.25, and 45.90%). Heating treatment was effective in reducing the RDP of feed without interfering with feed digestibility.

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In situ degradation of dairy cattle feedstuffs using reusable local nylon fabric bags

Cited by 6 publications

References 36 publications

Comparison of Chemical Composition, In Vitro Digestibility, and Near Infrared Reflectance Spectroscopy in Estimating In Situ Rumen Degradable Protein of Tropical Foliage

Comparison of Chemical Composition, In Vitro Digestibility, and Near Infrared Reflectance Spectroscopy in Estimating In Situ Rumen Degradable Protein of Tropical Foliage

Detection of counterfeiting rice bran using near-infrared reflectance spectroscopy (NIRS)

In Sacco and in vitro Evaluation of Heating and Formaldehyde Treated Protein Feed

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