Format

Send to

Choose Destination
Animal. 2016 Jul;10(7):1110-7. doi: 10.1017/S1751731115002980. Epub 2016 Jan 14.

Rabbit dietary supplementation with pale purple coneflower. 2. Effects on the performances, bacterial community, blood parameters and immunity of growing rabbits.

Author information

1
1Department of Agricultural, Forest and Food Sciences,University of Turin,Largo P. Braccini 2,10095 Grugliasco,Turin,Italy.
2
2Institute of Science of Food Production,National Research Council,Largo P. Braccini 2,10095 Grugliasco,Turin,Italy.
3
3Department of Veterinary Sciences,University of Turin,Largo P. Braccini 2,10095 Grugliasco,Turin,Italy.
4
4Veterinary Medical Research Institute for Piemonte,Liguria and the Valle D'Aosta,via Bologna 148,10154 Turin,Italy.

Abstract

Echinacea pallida (EPAL), a herbaceous flowering plant with immunomodulatory properties, has been chosen to determine the pre- and post-supplementary effects on the growth performances, bacterial community, blood parameters and immunity of growing rabbits. The same Grimaud does (14-week-old) from the studied in the first part of this study were randomly divided into two groups (n=50/group). The first group was fed a basal diet without supplementation (Control group, C) while the another group was fed a basal diet supplemented with 3 g EPAL/kg diet (Echinacea group, E). From the second parturition, 80 weaned kits (40 from the C does and 40 from the E does) were randomly assigned to four groups of 20 animals each and were fed a growing commercial diet supplemented with or without a 3 g EPAL/kg diet: the CC group (rabbits from the C does fed the control diet), CE group (rabbits from the C does fed the supplemented diet), EC (rabbits from the E does fed the control diet) and EE group (rabbits from the E does fed the supplemented diet). The dietary EPAL treatment did not affect the growth performance. Ten fattening rabbits from each group were selected to evaluate the bacterial community and blood parameters, while the remaining rabbits (n=10/group) were used to study phagocytosis and the humoral immune response. The variability was evaluated from hard faeces at 35, 49 and 89 days, and the caecal content at 89 days. The variability of the bacterial community of the EE group was higher than that of the other groups. The phagocytic activity was higher in the CE and EE groups than in the CC and EC ones (30.9 and 29.7 v. 21.2 and 21.8%; P<0.05), whereas no statistically significant difference was observed for the blood parameters or humoral immune response against vaccination (rabbit haemorrhagic disease virus) at 95 days old which the serum was collected at 88, 102, 109, 116 and 123 days old. In conclusion, no impact of EPAL dietary supplementation has been observed on the growth performances, bacterial community, blood parameters or humoral immune responses in growing rabbits, except for an increase in phagocytic activities.

KEYWORDS:

Echinacea pallida; bacterial community; blood parameter; immunity; rabbit

PMID:
26763832
DOI:
10.1017/S1751731115002980
[Indexed for MEDLINE]
Free full text

Supplemental Content

Full text links

Icon for Cambridge University Press Icon for University of Turin Instituional Repository AperTO
Loading ...
Support Center