Effect of freeze-dried pasture herbage on ileal digestibility of amino acids and fatty acids in chickens

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027014%3A_____%2F18%3AN0000048" target="_blank" >RIV/00027014:_____/18:N0000048 - isvavai.cz</a>

Result on the web

<a href="https://www.agriculturejournals.cz/web/cjas.htm?type=article&id=114_2017-CJAS" target="_blank" >https://www.agriculturejournals.cz/web/cjas.htm?type=article&id=114_2017-CJAS</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.17221/114/2017-CJAS" target="_blank" >10.17221/114/2017-CJAS</a>

Result language

angličtina

Original language name

Effect of freeze-dried pasture herbage on ileal digestibility of amino acids and fatty acids in chickens

Original language description

The ileal digestibility of amino acids and fatty acids in young chickens fed control diet or experimental diets supplemented with freeze-dried pasture herbage at 20 or 40 g/kg was studied. Control diet contained wheat, maize, and soybean meal. Predominant species in the pasture herbage harvested in May were Lolium perenne, Festuca pratensis, and Trifolium pratense. Freeze-dried pasture herbage contained less protein (169 g/kg) and fat (24 g/kg) and more neutral detergent and acid detergent fibre (340 and 210 g/kg) and tannins (12.38 g/kg) than control diet. Concentrations of amino acids, except phenylalanine and threonine, were lower in pasture herbage than in control feed. In both the control feed and freeze-dried pasture herbage, unsaturated fatty acids occurred in higher proportions than saturated fatty acids. In freeze-dried pasture herbage linolenic acid was the main fatty acid. In chickens fed freeze-dried pasture herbage the ileal digestibility of amino acids and fatty acids decreased in a dose-dependent manner. Freeze-dried pasture herbage at 4% in diet had negative effect (P < 0.05) on the digestibility of amino acids and fatty acids in comparison with control diet. But there was no significant effect of 2% freeze-dried pasture herbage in diet on amino acids digestibility. This suggests that pasture herbage contains anti-nutritional factors that inhibit proteolysis and lipolysis. The effect of pasture herbage on digestibility was variable. In chickens fed diets containing 4% freeze-dried pasture herbage, apparent ileal digestibility of amino acids varied from 0.39 (cysteine) to 0.91 (methionine). Variability in the ileal digestibility of fatty acids was less pronounced (from 0.65 to 0.89).

Czech name

—

Czech description

—

Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

40201 - Animal and dairy science; (Animal biotechnology to be 4.4)

Project

<a href="/en/project/QJ1510192" target="_blank" >QJ1510192: Solution of problems of selected factors of growth in relationship to meat quality in chickens, turkeys, rabbits and nutrias</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Czech Journal of Animal Science

ISSN

1212-1819

e-ISSN

—

Volume of the periodical

63

Issue of the periodical within the volume

6

Country of publishing house

CZ - CZECH REPUBLIC

Number of pages

8

Pages from-to

222-229

UT code for WoS article

000433085000003

EID of the result in the Scopus database

2-s2.0-85047759707