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Rojas-González AJ, Arriaga-Jordán CM, Sánchez-Torres JE, Mejía-Uribe LA, Rayas-Amor AA, Morales-Almaráz E. In vitro assessment of ruminal biohydrogenation of polyunsaturated fatty acids in diets with different types and levels of protected fat and diverse sources of fibre. Trop Anim Health Prod 2023; 56:28. [PMID: 38151553 DOI: 10.1007/s11250-023-03859-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 12/07/2023] [Indexed: 12/29/2023]
Abstract
The objective was to assess the in vitro rumen fermentation characteristics, methane production, and biohydrogenation of unsaturated fatty acids of diets with two protected fat (PF) sources from soybean or linseed oil, two levels of PF (0 and 6%) and two forage sources (canola silage (CS) or alfalfa hay (AH)) in a factorial 2x2x2 completely randomised design. Only fatty acids content at final incubation was affected (P<0.05) by triple interaction, where C18:2 was highest with AH plus 6% soybean PF (4.41mg/g DM), while C18:3 was with CS plus 6% linseed oil protected (1.98mg/g DM). C18:2 cis-9 trans-11 had high concentration (308 mg/g DM; P<0.05) with AH plus 6% PF regardless PF type, and C18:1 trans-11 was higher with 6% PF than without PF (13.41 vs 7.89 mg/g DM). Cumulative methane production was not affected by treatments (0.9973 ± 0.1549 mmol/g DM; P>0.05). Gas production and in vitro NDF digestibility were lower with 6% PF of linseed than soybean (160.88 vs 150.97 ml; and 69.28vs 62.89 %, respectively P<0.05). With linseed PF the NH3-N concentration was highest in CS than AH (41.27 vs 27.95 mg/dL; P<0.05) but IVDMD had the opposite result (78.54 vs 85.04). In conclusion, although methane production was not affected and in vitro digestibility and gas production were reduced with linseed PF, the concentration of C18:3 and C18:1 trans-11 was increased, which could improve the lipid profile of milk. The negative effects on digestibility were less with AH than of CS regardless of PF type and level.
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Affiliation(s)
- Alberto Jorge Rojas-González
- Facultad de Medicina Veterinaria y Zootecnia, Departamento de Nutrición Animal, Universidad Autónoma del Estado de México, Campus UAEM El Cerrillo, El Cerrillo Piedras Blancas, CP 50295, Toluca, Estado de México, México
| | - Carlos Manuel Arriaga-Jordán
- Instituto de Ciencias Agropecuarias y Rurales (ICAR), Universidad Autónoma del Estado de México, Campus UAEM El Cerrillo, El Cerrillo Piedras Blancas, CP 50295, Toluca, Estado de México, México
| | - Juan Edrei Sánchez-Torres
- Facultad de Medicina Veterinaria y Zootecnia, Departamento de Nutrición Animal, Universidad Autónoma del Estado de México, Campus UAEM El Cerrillo, El Cerrillo Piedras Blancas, CP 50295, Toluca, Estado de México, México
| | - Luis Alberto Mejía-Uribe
- Facultad de Medicina Veterinaria y Zootecnia, Departamento de Nutrición Animal, Universidad Autónoma del Estado de México, Campus UAEM El Cerrillo, El Cerrillo Piedras Blancas, CP 50295, Toluca, Estado de México, México
| | - Adolfo Armando Rayas-Amor
- Departamento de Ciencias de la Alimentación, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana Unidad Lerma, Av. De las Garzas No. 10, Colonia El Panteón, 52005, Lerma, Estado de México, México
| | - Ernesto Morales-Almaráz
- Facultad de Medicina Veterinaria y Zootecnia, Departamento de Nutrición Animal, Universidad Autónoma del Estado de México, Campus UAEM El Cerrillo, El Cerrillo Piedras Blancas, CP 50295, Toluca, Estado de México, México.
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Zeller WE, Reinhardt LA, Robe JT, Sullivan ML, Panke-Buisse K. Comparison of Protein Precipitation Ability of Structurally Diverse Procyanidin-Rich Condensed Tannins in Two Buffer Systems. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:2016-2023. [PMID: 31986021 DOI: 10.1021/acs.jafc.9b06173] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The protein precipitation (PP) of bovine serum albumin (BSA), lysozyme (LYS), and alfalfa leaf protein (ALF) by four procyanidin-rich condensed tannin (CT) samples in both 2-[N-morpholino]ethanesulfonic acid (MES) and a modified Goering-Van Soest (GVS) buffer is described. Purified CT samples examined included Vitis vinifera seed (mean degree of polymerization [mDP] 4.1, 16.5% galloylated), Tilia sp. flowers (B-type linkages, mDP 5.9), Vaccinium macrocarpon berries (mDP 8.7, 31.7% A-type linkages). and Trifolium pratense flowers (B-type linkages, mDP 12.3) and were characterized by 2D NMR (>90% purity). In general, CTs precipitated ALF > LYS ≥ BSA. PP in GVS buffer was 1 to 2.25 times greater than that in MES buffer (25 °C). The GVS buffer system better reflects the results/conclusions from the literature on the impacts mDP, galloylation, and A-type linkages have on PP. Determinations of PP using the MES buffer at 37 °C indicated that some of these differences may be attributed to the temperature at which GVS buffer determinations are conducted. In vitro PP studies using the GVS buffer may offer better guidance when selecting CT-containing forages and amendments for ruminant feeding studies.
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Affiliation(s)
- Wayne E Zeller
- US Dairy Forage Research Center , ARS-USDA , 1925 Linden Drive , Madison , Wisconsin 53706 , United States
| | - Laurie A Reinhardt
- US Dairy Forage Research Center , ARS-USDA , 1925 Linden Drive , Madison , Wisconsin 53706 , United States
| | - Jamison T Robe
- US Dairy Forage Research Center , ARS-USDA , 1925 Linden Drive , Madison , Wisconsin 53706 , United States
| | - Michael L Sullivan
- US Dairy Forage Research Center , ARS-USDA , 1925 Linden Drive , Madison , Wisconsin 53706 , United States
| | - Kevin Panke-Buisse
- US Dairy Forage Research Center , ARS-USDA , 1925 Linden Drive , Madison , Wisconsin 53706 , United States
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