Fatty acid transport in plasma from cows treated with ruminal pulses of fish oil and partially hydrogenated vegetable oil
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Fatty acid transport in plasma from cows treated with ruminal pulses of fish oil and partially hydrogenated vegetable oil. / Vargas-Bello-Pérez, Einar; Loor, Juan J.; Garnsworthy, Philip C.
I: Livestock Science, Bind 236, 104018, 2020.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Fatty acid transport in plasma from cows treated with ruminal pulses of fish oil and partially hydrogenated vegetable oil
AU - Vargas-Bello-Pérez, Einar
AU - Loor, Juan J.
AU - Garnsworthy, Philip C.
PY - 2020
Y1 - 2020
N2 - This study evaluated which lipoprotein fractions are involved in C18:1 trans fatty acid (tFA) transport and whether there is a difference in transport between naturally occurring C18:1 tFA isomers [produced during rumen biohydrogenation of soybean oil (SO) or fish oil (FO)] and preformed tFA [supplied by partially hydrogenated vegetable oil (PHVO)]. Two non-lactating non-pregnant rumen fistulated cows (body weight ± SD = 778 ± 88 kg), were grouped in a 2 × 3 crossover design with 3 d rumen pulsing periods. Treatments were: 1) SO [control; 250 mL/d in 500 mL/d of skimmed milk (SM)]; 2) FO (250 g/d in 500 mL/d of SM) and 3) FO + PHVO (125 g/d FO + 125 g/d PHVO in 500 mL/d of SM). Treatments were supplied via rumen fistula. Fish oil increased C18:1 t9 concentration in high density lipoprotein triglyceride (HDL-TG) and low density lipoprotein triglyceride (LDL-TG). FO+PHVO increased C18:1 t9 concentration in very low density lipoprotein triglyceride (VLDL-TG). FO increased C18:1 t11 concentration in low density lipoprotein cholesterol esters (LDL-CE) and VLDL-TG. FO+PHVO increased C18:1 t11 concentration in VLDL-TG. Results showed that in bovine plasma there may be a differential transport mechanism in which the VLDL fraction is the main lipoprotein transporting tFA (primarily associated with TG) and is likely to be more responsive than other fractions to variation in supply of dietary tFA.
AB - This study evaluated which lipoprotein fractions are involved in C18:1 trans fatty acid (tFA) transport and whether there is a difference in transport between naturally occurring C18:1 tFA isomers [produced during rumen biohydrogenation of soybean oil (SO) or fish oil (FO)] and preformed tFA [supplied by partially hydrogenated vegetable oil (PHVO)]. Two non-lactating non-pregnant rumen fistulated cows (body weight ± SD = 778 ± 88 kg), were grouped in a 2 × 3 crossover design with 3 d rumen pulsing periods. Treatments were: 1) SO [control; 250 mL/d in 500 mL/d of skimmed milk (SM)]; 2) FO (250 g/d in 500 mL/d of SM) and 3) FO + PHVO (125 g/d FO + 125 g/d PHVO in 500 mL/d of SM). Treatments were supplied via rumen fistula. Fish oil increased C18:1 t9 concentration in high density lipoprotein triglyceride (HDL-TG) and low density lipoprotein triglyceride (LDL-TG). FO+PHVO increased C18:1 t9 concentration in very low density lipoprotein triglyceride (VLDL-TG). FO increased C18:1 t11 concentration in low density lipoprotein cholesterol esters (LDL-CE) and VLDL-TG. FO+PHVO increased C18:1 t11 concentration in VLDL-TG. Results showed that in bovine plasma there may be a differential transport mechanism in which the VLDL fraction is the main lipoprotein transporting tFA (primarily associated with TG) and is likely to be more responsive than other fractions to variation in supply of dietary tFA.
KW - Cholesterol esters
KW - Cows
KW - Fish oil
KW - Phospholipids
KW - Triglycerides
U2 - 10.1016/j.livsci.2020.104018
DO - 10.1016/j.livsci.2020.104018
M3 - Journal article
AN - SCOPUS:85083061880
VL - 236
JO - Livestock Science
JF - Livestock Science
SN - 1871-1413
M1 - 104018
ER -
ID: 239816394