scholarly journals Potential degradation and colonization time of ruminal microorganisms on the particles of different oilseeds-crushed, and its chemical composition

2021 ◽  
Vol 37 ◽  
pp. e37001
Author(s):  
Rafael Henrique de Tonissi Buschinelli de Goes ◽  
Kennyson Alves de Souza ◽  
Milene Puntel Osmari ◽  
Thiago José de Lira Cardoso ◽  
Raquel Tenório de Oliveira ◽  
...  

This study was carried out to evaluate by-product of the biodiesel industry as canola, safflower, forage turnip, and soybean crushed on the chemical composition, in situ degradability, and colonization time. Canola (Brassica napus L. var. oleifera), safflower (Carthamus tinctorius L.), forage turnip (Raphanus stivus L. var. oleiferus Metzg), and soybean (Glycine max) grains went through the oil extraction process by means of a cold pressing, resulting in the oilseeds-crushed. The treatments identification included: CAN – Canola crushed; SAF – Safflower crushed; TUR – Forage turnip crushed; and SOY – Soybean crushed. The oilseed-crushed treatments were quantified about mineral (calcium, magnesium, copper, iron, manganese, zinc, phosphorus and potassium), chemical composition (dry matter, ash, organic matter, crude protein, ether extract, neutral detergent fiber, acid detergent fiber, total carbohydrates, non-fibrous carbohydrates, and total digestible nutrient contents), In situ degradability, and colonization time. Magnesium, phosphorus, and zinc showed the greater values for TUR treatment 3.46, 27.4, 39.8, respectively, when compared to the other oilseed-crushed treatments. The TUR treatment had the lowest organic matter, whereas had the greater (p≤0.05; TUR and SOY treatments) for the non-fibrous carbohydrates. Ether extract was not affected (p>0.05) with the different oilseed-crushed treatments. Neutral detergent fiber was affected (p≤0.05) for CAN and SAF treatments with the greater values, 344 and 500 g/kg of dry matter, respectively. Soluble and potentially degradable fractions for SAF treatment showed similar results. Whereas the constant rate of degradation, presented the lowest value when compared to the other treatments. Effective degradability of crude protein was greater for CAN 63.2% than SOY 65.9% treatment, which had the lowest value. Potential degradability of crude protein did not differ between treatments. Colonization time for dry matter and crude protein were similar between TUR and SOY treatments. In conclusion, oilseeds-crushed from the biodiesel production can be targeted/used, as feed with great protein and energetic potential in the ruminant’s production, considering the need of correct formulation and ingredients knowledge.

2021 ◽  
Vol 12 (1) ◽  
pp. 105-119
Author(s):  
Sinvaldo Oliveira de Souza ◽  
Robério Rodrigues Silva ◽  
Fabiano Ferreira da Silva ◽  
Ana Paula Gomes da Silva ◽  
Marceliana Da Conceição Santos ◽  
...  

This study aimed to evaluate nutrient intake and digestibility, performance and economic viability of steers during the rearing phase in Brachiaria brizantha cultivar Marandu graze and in feedlot. Were used fifty crossbred steers in the rearing phase, with a mean weight of 275 ± 8.18 kg, distributed in a completely randomized design with ten replications per treatments: Mineral supplementation, nitrogen supplementation, Concentrate supplementation in the order of 1 and 2 g/kg body weight and total feedlot. The total dry matter intake and body weight showed a difference (P<0.05) for animals in feedlot. Crude protein, ether extract, neutral detergent fiber corrected for ashes and protein, non-fibrous carbohydrates, total digestible nutrients showed differences for the animals that received mineral supplementation in comparison to the other managements adopted. The same performance was observed for animals in feedlot. The digestibility coefficients of dry matter, crude protein, ether extract, non-fibrous carbohydrates and total digestible nutrients showed a difference (P<0.05) for the animals that received mineral supplementation, in comparison to the other managements adopted. (P<0.05). The mean daily gain was lower (P<0.05) for animals receiving mineral supplementation. The gross margin was higher (P<0.05) for animals handled in feedlot. Considering the obtained results, it was possible to observe that the animals kept in graze with good availability of dry matter presented satisfactory performance. It is feasible to confine the animals in rearing, since it shortens the production cycle, generating favorable economic results.


2013 ◽  
Vol 2013 ◽  
pp. 1-8 ◽  
Author(s):  
Oswaldo Rosendo ◽  
Luis Freitez ◽  
Rafael López

In in vitro true dry matter degradability (IVTDMD), in situ dry matter degradability, and neutral detergent fiber degradability, both in vitro (IVNDFD) and in situ (ISNDFD) techniques were used with crossbred goats to determine dry matter and neutral detergent fiber (NDF) ruminal degradability in eight forages and four industrial byproducts. Total digestible nutrients (TDN) content obtained with five different summative models (summative equations) were studied to compare the precision of estimates. All these models included digestible fractions of crude protein, ether extract, and nonfiber carbohydrates that were calculated from chemical composition, but digestible NDF (dNDF) was obtained from IVNDFD (IVdNDF), ISNDFD (ISdNDF), or by using the Surface Law approach. On the basis of the coefficient of determination (R2) of the simple lineal regression of predicted TDN (y-axes) and observed IVTDMD (x-axes), the precision of models was tested. The predicted TDN by the National Research Council model exclusively based on chemical composition only explains up to 41% of observed IVTDMD values, whereas the model based on IVdNDF had a high precision (96%) to predict TDN from forage and byproducts fiber when used in goats.


2011 ◽  
Vol 40 (1) ◽  
pp. 168-173 ◽  
Author(s):  
Luciano Soares de Lima ◽  
Claudete Regina Alcalde ◽  
Francisco de Assis Fonseca de Macedo ◽  
Larissa Ribas de Lima ◽  
Elias Nunes Martins ◽  
...  

It was used 27 goat kids (18 ¾ Boer + ¼ Saanen and nine Saanen; 18.0 ± 1.60 kg) distributed in a completely randomized design with factorial arrangement to evaluate productive performance and the total digestibility of dry matter and nutrients in the rations. Diets were composed of soybean meal, soybean meal + dry yeast or dry yeast as protein source, oat hay, ground corn and vitamin-mineral mixture with mean composition of 2.50 Mcal of ME/kg DM and 17.0% of crude protein on average. Digestibility was determined using indigestible neutral detergent fiber as marker. Intakes of dry matter, organic matter, crude protein and total carbohydrates were not altered by rations. However, inclusion of dry yeast in the rations reduced ingestions of ether extract, neutral detergent fiber and acid detergent fiber. Within breed groups, the ¾ Boer + ¼ Saanen goat kids showed the highest intakes of dry matter and nutrients, as well as the best means of daily gain, feed conversion and days in feedlot. Digestibilities of dry matter, organic matter, crude protein and total carbohydrates were higer - and the digesbility of ether extract was lower - for animals fed rations with dry yeast. There were no differences in digestibility of neutral detergent fiber. Rations with dry yeast showed the highest values of total digestible nutrients. Dry yeast can be used as alternative protein source in rations for goat kids because it does not change animal performance and it does have higher nutritional value than soybean meal. ¾ Boer + ¼ Saanen kids show, in feedlots, better performance in growth and finishing phases when compared to Saanen kids.


2011 ◽  
Vol 49 (No. 5) ◽  
pp. 211-219 ◽  
Author(s):  
B. Z Saricicek ◽  
U. Kilic

This study was conducted to determine the nutritive values of shelled, unshelled oak nuts and their shells. For the estimation of dry matter (DM), organic matter (OM) and crude protein (CP), degradability characteristics, digestibilities, energy values and tannin contents of these feedstuffs the nylon bag technique, cellulose feed system and enzyme methods were used. In spite of the fact that in situ dry matter, organic matter and crude protein degradabilities of shelled and unshelled oak nuts were high, the degradabilities of shells were found lower. Degradability characteristics (a, b, a + b) and effective degradabilities were high in unshelled and shelled oak nuts and low in shells. The differences between the oak nut shells and the other two groups were significant for DM and OM degradabilities (P &lt; 0.01). Pepsin digestible N contents were lower in shelled and unshelled oak nuts and high in shells. Unshelled and shelled oak nuts were significantly different from the oak nut shells for digestibility of DM and OM. Energy values were highest in unshelled oak nuts and lowest in shells. Oak nuts can be used as a forage source in regions with their high natural production. &nbsp;


2018 ◽  
Vol 40 (1) ◽  
pp. 39946 ◽  
Author(s):  
Bruno Spindola Garcez ◽  
Claudiane Morais dos Santos ◽  
Cicero Nicolini ◽  
Francisco Araújo Machado ◽  
Ernando De Oliveira Macedo ◽  
...  

 The objective of this study was to evaluate in situ ruminal degradability of elephant grass silages with addition of 8, 16 and 24% of faveira pods in experimental silos of 100x50 mm, equipped with bunsen valves. The content of crude protein (cp) and neutral detergent fiber (ndf) were determined on a dry matter basis. To evaluate the in situ degradability of dm, cp and ndf, nylon bags containing 4 g sample were incubated in the rumen of three fistulated cattle for 6, 24 and 72h. The dm and cp content of elephant grass silages increased (p < 0.05) from 8% inclusion associated with a higher concentration of constituents in faveira pods (77.25 and 9.61% dm). The ndf fraction reduced 10.91% (p < 0.05) when adding 24% pods. The potential degradation (pd) of dm and cp increased with inclusion of faveira pods, with 75.97 and 95.21%, respectively, for the level of 24%. There was increased potentially degradable fraction (bp) of ndf by 7.07% with inclusion of 24% faveira pods, as well as a reduced colonization time (lag) from 3.81 to 3.44 hours. The addition of up to 24% faveira pods to elephant grass silages improves rumen microbial degradation, and it is indicated this level of addition to obtain better quality silage. 


2007 ◽  
Vol 87 (4) ◽  
pp. 623-629 ◽  
Author(s):  
A. F. Mustafa ◽  
J. C. F. García ◽  
P. Seguin ◽  
O. Marois-Mainguy

A study was conducted to determine the effects of forage soybean cultivar on chemical composition, ensiling characteristics, and ruminal degradability of silage. Two cultivars of forage soybean (Kodiak and Mammouth) were field-grown, harvested at the R6 stage, and ensiled in mini-silos (n = 3) for 0, 2, 4, 8, 16 and 45 d. Two ruminally fistulated cows were used to determine in situ ruminal nutrient degradabilities of the 45-d silages. Both cultivars went through slow fermentation as indicated by a gradual decline in pH up to day 45 post-ensiling. Lactic acid concentration increased throughout ensiling and was higher for Mammouth than Kodiak except at day 45 post-ensiling. Analysis of the 45-d silages showed that Mammouth contained higher neutral detergent fiber (NDF, 490 vs. 444 g kg-1), acid detergent fiber (371 vs. 353 g kg-1) and acid detergent lignin (81 vs. 64 g kg-1) than Kodiak. However, crude protein (CP) concentration was higher for Kodiak than Mammouth. Mammouth silage had lower buffer soluble protein and higher neutral and acid detergent insoluble protein concentrations than Kodiak silage. Results of the in situ study indicated that Kodiak silage had greater ruminal dry matter (606 vs. 549 g kg-1), CP (828 vs. 752 g kg -1) and NDF (272 vs. 227 g kg-1) degradabilities than Mammouth. It was concluded that chemical composition and ruminal nutrient degradabilities of forage soybean silage were significantly influenced by cultivar. Key words: Soybean [Glycine max (L.) Merill.], silage, ensiling; forage quality, nutrient degradability


2021 ◽  
Vol 53 (2) ◽  
pp. 261-270
Author(s):  
Romilda Rodrigues do Nascimento ◽  
Chrislanne Barreira de Macêdo Carvalho ◽  
Ricardo Loiola Edvan ◽  
Julian Junio De Jesús Lacerda ◽  
Keuven Dos Santos Nascimento ◽  
...  

The objective of this study was to evaluate water loss and chemical composition of cactus pear genotypes submitted to post-harvest storage periods. The experimental design adopted was a the completely randomized, in a 3 × 5 factorial arrangement, with three cactus pear genotypes and five storage periods, and ten replications. The cactus pear genotypes [Doce, Baiana and Orelha de Elefante Mexicana (OEM)] were harvested after 2 years of cultivation under rainfed conditions, and stored in a ventilated shed (0, 15, 30, 45 and 60 days). The genotype Baiana showed greater water reduction in the stored cladodes when compared to the other genotypes. All cactus pear genotypes showed reduction in crude protein and carbohydrates in the storage period of 60 days. There were no losses of nutrients, dry matter and ether extract during the storage periods for the genotype Doce. There was increase in the fiber content of the cladodes of all stored genotypes. During the storage period of the cladodes of all genotypes, there was reduction in the contents of Ca, Mg and Cu. The cactus pear genotypes Doce and OEM can be stored for up to 60 days after harvest. Highlights: • Cactus is also considered a strategic forage reserve and, in this case, the frequency of cutting can vary according to the producer's needs and weather conditions.• Post-harvest storage can be an alternative to reduce costs, as well as transporting the material.• The variety Doce Baiana showed greater water loss in relation to the other varieties.


2016 ◽  
Vol 37 (1) ◽  
pp. 279 ◽  
Author(s):  
Alexandre Paula Braga ◽  
Antonia Vilma de Andrade Ferreira Amâncio ◽  
Josemir De Souza Gonçalves ◽  
Liz Carolina da Silva Lagos Cortes Assis ◽  
Cicília Maria Silva Souza ◽  
...  

The aim of this study was to evaluate the chemical composition and ruminal degradability of the dry matter (DM), crude protein (CP) and neutral detergent fiber (NDF) of fruit residues. Three fistulated sheep were held collectively in a pen, and fed daily with the studied residues in a diet consisting of canarana grass (Echinochloa pyramidalis) and a concentrate of corn and soybeans. The animals were allowed an adjustment period of seven days. The residues were dried in the sun, crushed in a forage machine, sorted using a 4.0-mm sieve, and incubated for 3, 6, 12, 24, 48, 72, and 96 h using nonwoven bags (weight 60g/m2, 14 ×12 cm²). Chemical analyses of the residues were performed using a randomized block experimental design with split plots. The cherimoya and tamarind residues showed the highest concentrations of CP (12.66% and 11.79%) the ether extract of cherimoya residue was the highest at 22.30%stands out the sour soup residue. The cashew and guava residues showed the highest levels of lignin (22.13 and 18.34%). The effective degradability of DM for the pineapple and tamarind residues to a passage rate of 5%/h were 53.04% and 42.61%, respectively. The guava, cherimoya, and cashew residues showed lower values at 19.16%, 26.86%, and 29.21%, respectively. The cherimoya, guava and pineapple residues showed the highest values of potential degradability for CP at 87%, 81%, 86.02% and 90.94%, respectively, with an average effective degradability of 50.0% at the rate of 5%/h. The pineapple (35.38%) and tamarind residues (34.49%) showed higher values of the effective degradability of NDF at a passage rate of 5%/h. Among the studied residues, the pineapple residue showed the greatest potential for use in animal feed based on chemical composition and rates of degradability.


1969 ◽  
Vol 94 (1-2) ◽  
pp. 121-130
Author(s):  
Abner A. Rodríguez ◽  
María Vázquez ◽  
Jorge Olivares ◽  
Francisco Rivera ◽  
Luis Cruz ◽  
...  

An experiment, divided into three trials, was conducted to determine the chemical composition, in vitro degradability, and ingestive selectivity of the tropical legumes (TL) Stylosanthes guianensis (Stylo; SG), Cajanus cajan (pigeon-pea; CC) and Arachis glabrata (rhizome perennial peanut; AG). In the first trial the organic matter (OM), inorganic matter (IM), crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF, hemicelulose), cellulose, lignin and acid detergent insoluble nitrogen (ADIN) content in the whole plant and botanical components (stems and leaves) of the three TL were determined. The second trial evaluated the in vitro apparent (AIVDMD) and true dry matter degradability (TIVDMD) of the three TL during 48 h of incubation in bovine and caprine ruminal fluid. Trial three, of cafeteria type, evaluated the voluntary intake by goats and heifers of the three TL during one hour. In all trials tropical grass hay (HG) was used as control forage. A qualitative scale (none, low, medium and high) was used to express the intake of TL and GH. Organic matter content was lower (P < 0.05) but IM was higher (P < 0.05) in AG than in CC, SG, and GH. In all three TL, the CP content was higher (P < 0.05) than inTG, but NDF was lower (P < 0.05). AmongTL species, CP content was higher (P < 0.05) in AG than in SG and CC, but NDF content was similar. ADF content was also lower (P < 0.05) in AG than in CC and in SG, but hemicelulose percentage was higher (P < 0.05). Lignin was lower (P < 0.05) in GH than in the three legumes, and CC showed the highest (P < 0.05) ADIN content among the forages evaluated. For all three TL, CP in leaves was higher than 20%. Leaf NDF content was lower (P < 0.05) in CC than in AG and in SG, whereas ADF was higher (P < 0.05) in SG than in AG and CC. Leaves of AG also had higher (P < 0.05) hemicelulose but lower (P < 0.05) cellulose values than CC and SG. Lignin content was similar in leaves of the three TL, but ADIN content was higher (P < 0.05) in CC. Crude protein content of stems was lower (P < 0.05) in CC than in AG and SG.The NDF content and its fractions (ADF, cellulose and hemicelulose) were lower (P < 0.05) in AG stems than in those of SG and CC.The highest (P < 0.05) lignin content and lowest (P < 0.05) ADIN content were observed in CC and SG stems, respectively. In the second trial, use of either ruminal inoculum type gave AIVDMD and TIVDMD values that were, in descending order, highest (P < 0.05) in AG than in SG, GH and CC. In trial three a greater intake was observed in goats and heifers offered AG and GH than when offered SG and CC. Based on nutrient content, in vitro dry matter degradability, and voluntary intake, AG showed greater potential as a forage source than SG and CC. However, all three TL showed promise as potential alternatives for use as an integral part of ruminant feeding systems in the tropics.


2019 ◽  
Vol 40 (4) ◽  
pp. 1565
Author(s):  
Alex Lopes da Silva ◽  
Ricardo Loiola Edvan ◽  
Leilson Rocha Bezerra ◽  
Rafael Felippe Ratke ◽  
José Avelino Santos Rodrigues ◽  
...  

The objective was to determine chemical composition and in situ degradability for silages of dual-purpose sorghum hybrids. Twenty-five hybrids of double-purpose sorghum were investigated in a randomized block design with three replicates. Ammoniacal nitrogen (NH3-N), pH, chemical composition of the silage and in situ degradability were determined. Silage of the hybrids 9929012, 947216, 947030, 947254, 947072, 947252, 12F042066, 1141570 and 1141562 presented greater dry matter content, ranging from 402.9 to 470.7 g kg-1. The greatest crude protein content was presented by silages from the hybrids 9929036, 9929030, 12F042224, FEPAGRO19, FEPAGRO11, 9929026, 947030, 947072, 947252, 12F042226 and BRS Ponta Negra. The silage of hybrid 1141562 exhibited the lowest neutral detergent fiber content (588 g kg-1). The highest values of dry matter and crude protein degradability were observed in the silages of the hybrids 9929030, 947252, 947072, 12F042066 and 12F042226. The use of ensilage of the 9929030 and 12F042226 hybrids is recommended because these silages present a better chemical composition of dry matter, crude protein and neutral detergent fiber and better dry matter and crude protein degradability.


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