Different Lengths of Diet Supplementation with 10% Flaxseed Alter the Hormonal Profile and the Follicular Fluid Fatty Acid Content of Fattening Gilts

被引:0
|
作者
Lecova, Martina [1 ]
Babjakova, Diana [1 ]
Sopkova, Drahomira [1 ]
Andrejcakova, Zuzana [1 ]
Hertelyova, Zdenka [2 ]
Petrilla, Vladimir [1 ]
Pollakova, Magdalena [1 ]
Vlckova, Radoslava [1 ]
机构
[1] Univ Vet Med & Pharm Kosice, Dept Biol & Physiol, Komenskeho 73, Kosice 04181, Slovakia
[2] Pavol Jozef Safarik Univ Kosice, Fac Med, Dept Expt Med, Srobarova 2, Kosice 04180, Slovakia
来源
LIFE-BASEL | 2024年 / 14卷 / 02期
关键词
dietary flaxseed; fatty acid; follicular fluid; steroids; gonadotropins; IGF-I; porcine ovary; ALPHA-LINOLENIC ACID; REPRODUCTIVE-PERFORMANCE; DAIRY-COWS; OVARIAN; EXPOSURE; GROWTH;
D O I
10.3390/life14020240
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
The effect of 10% dietary flaxseed fed for 3 and 6 weeks on serum hormone levels of fattening gilts, the fatty acid (FA) follicular fluid (FF) composition of small and large antral follicles, and the steroidogenesis and IGF-I secretion by isolated small antral follicles and their response to regulatory hormones (LH, FSH, IGF-I) was studied using immunoassay and gas chromatography analyses. Both supplemental periods increased levels of P4 and IGF-I in blood serum. A shorter period inhibited steroidogenesis (P4, T, E2) and IGF-I secretion by small antral follicles, which was associated with decreased levels of monounsaturated FAs (MUFA) and preferred n-6 polyunsaturated FA (PUFA) metabolism. A longer period stimulated hormone secretion at elevated levels of saturated FAs (SFA) at the expense of MUFAs and PUFAs preferring the n-3 PUFA metabolism. Out of ovarian regulators, only LH and IGF-I were able to alter the secretion of steroids and IGF-I by small follicles of fattening pigs fed a basal diet. The effect of flaxseed on the secretion of follicular hormones after both supplemental periods was altered by all regulatory hormones in a dose-dependent manner. The level of SFAs and PUFAs in FF of large follicles increased with the length of flaxseed feeding, suggesting the suppression of ovulation.
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页数:18
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