scholarly journals In Vitro Ruminal Degradability of Soybean Meal Protein Protected with Natural Tannin

Author(s):  
B.W.H.E Prasetiyono ◽  
A. Subrata ◽  
B.I.M. Tampoebolon ◽  
Surono ◽  
Widiyanto
2021 ◽  
Vol 42 (6) ◽  
pp. 3399-3414
Author(s):  
Angela Rocio Poveda-Parra ◽  
Odimári Pricila Prado-Calixto ◽  
Elzânia Sales Pereira ◽  
Fernando Luiz Massaro Junior ◽  
Larissa Nóbrega de Carvalho ◽  
...  

The objective of this study was to evaluate ingredients and diets containing increasing levels of crambe cake protein replacing soybean meal protein, with in vitro ruminal fermentation parameters using a gas production technique. Diets were formulated for feedlot lambs and contained different levels of crambe cake protein (0, 250, 500, 750, and 1000 g kg-1) replacing soybean meal protein. Corn silage was used as roughage. Carbohydrate digestion rates were estimated using the in vitro gas production technique and the cumulative gas production kinetics were analyzed using the bicompartmental logistic model. The parameters values of ruminal degradation kinetics were generated using the R statistical program with the Gauss-Newton algorithm and then subjected to analysis of variance and regression (when necessary) according to a completely randomized experimental design with five treatments and five replications. Upon carbohydrate fractionation of ingredients and experimental diets, it was observed that corn grain and corn silage presented the highest levels of total carbohydrates (TC), with values of 128.3 and 464.8 g kg-1 dry matter (DM) in fraction B2, respectively. Lower TC content was found for soybean meal and crambe cake (CC). There was a predominance of fractions A + B1 in the ingredients and experimental diets. The B2 fraction decreased in the diets with the inclusion of the CC protein, and CC presented the highest C fraction. Protein fractionation (g kg-1 DM and g kg-1 crude protein - CP), the ingredients and diets showed a higher proportion of fractions A and B1 + B2. In in vitro degradation, the diet without CC (0 g kg-1 DM) showed the highest final cumulative gas production (365.04 mL g-1 of incubated DM), while the CC presented the lowest volume (166.68 mL g-1 of incubated DM). The gas volume of non-fibrous carbohydrate fermentation and fibrous carbohydrate degradation rate exhibited a quadratic effect according increasing levels of CC (Pmax = 265.8 g kg-1 DM and Pmin = 376.3 g kg-1 DM, respectively). The lag time and final gas volume showed a decreasing linear effect with increasing levels of CC protein. The degradation rate of non-fibrous carbohydrates and the final volume of fibrous carbohydrates did not differ. Replacing soybean meal protein with CC protein at the level of 250 g kg-1 of dry matter in diets formulated for feedlot lambs leads to good profiles of ruminal fermentation kinetics with respect to the degradation of fibrous and non-fibrous carbohydrates.


1983 ◽  
Vol 66 (6) ◽  
pp. 1272-1276 ◽  
Author(s):  
P.J. van der Aar ◽  
L.L. Berger ◽  
K.M. Wujek ◽  
I. Mastenbroek ◽  
G.C. Fahey

2015 ◽  
Vol 39 (1) ◽  
pp. 75-81 ◽  
Author(s):  
Érika Breda Canova ◽  
Mauro Sartori Bueno ◽  
Heverton Luis Moreira ◽  
Rosana Possenti ◽  
Patrícia Brás

The use of alternative feedstuffs in animal diet, such as residues derived from the biodiesel production aims to increase productivity and reduce costs in animal production. Them aim of this study was to evaluate the substitution effect of 0, 22, 44 and 64% of soybean meal protein by Crambe cake (Crambe abyssinica Hochst) protein in lamb diet. In the in vivo experiment, 20 lambs were used and evaluated the apparent digestibility, nitrogen balance and voluntary DM intake. The replacement of the protein resulted in a linear decrease in apparent digestibility coefficient (ADC) of dry matter (DM), organic matter (OM), ether extract (EE), gross energy (GE), acid detergent fiber (ADF), neutral detergent fiber (NDF), cellulose (CEL) and the percentage of total digestible nutrients (TDN), which resulted in decreased daily DM intake. The blood level of urea, glucose, alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were not affected. In vitro gas production technique (GP) evaluation of diets showed a significantly decrease (P<0.05) of the total gas and methane production without altering the true degradability of DM and OM and the partition factor (PF). Replacement of soybean meal protein by the Crambe cake protein decreased digestibility of the fiber fraction of the diet, the voluntary intake of DM and methane, without altering rumen fermentation. Crambe cake can be utilized as lamb's food, because, despite reduced intake, assure a large energy intake and similarity to soybean meal protein.


1993 ◽  
Vol 73 (1) ◽  
pp. 211-215 ◽  
Author(s):  
T. A. McAllister ◽  
K.-J. Cheng ◽  
K. A. Beauchemin ◽  
D. R. C. Bailey ◽  
M. D. Pickard ◽  
...  

Treatment of canola meal (CM) with 5 or 10% lignosulfonate (LSO3) for 1 or 2 h at 100 °C increased borate-insoluble CP and neutral-detergent-insoluble nitrogen and decreased in vitro ammonia concentration compared with untreated or heated CM. Acid-detergent-insoluble nitrogen was increased in 2% xylose and 10% LSO3 CM heated for 2 h. Ruminal degradability of CP was reduced by heating CM (P < 0.01), and this effect was more pronounced (P < 0.001) with LSO3 or xylose. Key words: Cattle, canola meal, lignosulfonate, rumen undegradable protein


2020 ◽  
Vol 98 (Supplement_4) ◽  
pp. 342-343
Author(s):  
Md Safiqur Rahaman Shishir ◽  
Muhammad Jamal Khan ◽  
Hassan Khanaki ◽  
Graham Brodie ◽  
Brendan Cullen ◽  
...  

Abstract Rumen degradability of crude protein (CP) of feed is a major factor that determines the utilization of CP in ruminant production. This study briefly reviewed the findings from six international studies of microwave (MW) heat treatment effect on feed CP rumen degradability and intestinal CP digestibility. Six in vitro studies of concentrate feed (canola seed, canola meal, soya bean meal, cottonseed meal, corn, and barley) showed a decrease in effective rumen degradability of dry matter and protein by 4–40% and 17–40%, respectively compared to control group (untreated concentrate feed). Among the six studies, four studies identified the MW heat treatment effect on intestinal protein digestibility. Due to MW heat treatment, canola seed, canola meal, soya bean meal, and cottonseed meal showed an increase in intestinal CP digestibility by 17%, 20%, 21%, and 19%, respectively. Overall the briefly reviewed studies showed that, MW heat treatment substantially reduced feed CP ruminal degradability and increased in vitro CP digestibility of ruminally undegraded CP.


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