| Title: |
Productive performance, breast growth and digestive system development in European quail subjected to post-hatch fasting for different periods |
| Authors: |
FLAVIA K. CRUZ; CHRISTIAN DOUGLAS NICHELE FIGUEROA; KASSIANA G. ANDRADE; ISABELLE NAEMI KANEKO; LUCAS P. BONAGURIO; JAILTON S. BEZERRA JÚNIOR; ROBSON M. ROSSI; ALICE E. MURAKAMI; TATIANA C. SANTOS |
| Source: |
Anais da Academia Brasileira de Ciências, Vol 95, Iss 4 (2023) |
| Publisher Information: |
Academia Brasileira de Ciências, 2023. |
| Publication Year: |
2023 |
| Collection: |
LCC:Science |
| Subject Terms: |
body weight; compensatory gain; Coturnix; food restriction; intestine; Science |
| Description: |
Abstract This study assessed the effect of different periods of post-hatch fasting on animal performance and breast and digestive system growth in European quail. Quail chicks were distributed in a completely randomized design, with four fasting periods (0, 24, 36, and 48 hs) and four replications of 40 birds per treatment. In 1 to 14-day-old chicks, weight gain decreased with increasing fasting time. Compensatory gain was observed from 15 days of age onward. Fasted quail had a lower length and relative weight of the digestive system than fed animals for up to 14 days. Histologically, the duodenal villus height was significantly lower in 3-day-old quail fasted for 36 hs than in those fasted for 48 hs, but this effect was not observed at 7 days. Scanning electron microscopy showed no differences in the small intestinal mucosa between fasted and fed birds at 3 days of age. Post-hatch fasting reduced the relative weight of the breast in quail aged 1 to 14 days but did not affect type IIa and IIb fiber diameter at 35 days. On the basis of these results, it is recommended that European quail raised for meat should not be fasted for more than 48 hs post-hatch. |
| Document Type: |
article |
| File Description: |
electronic resource |
| Language: |
English |
| ISSN: |
1678-2690 |
| Relation: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652023000701306&lng=en&tlng=en; http://www.scielo.br/pdf/aabc/v95n4/0001-3765-aabc-95-04-e20191188.pdf; https://doaj.org/toc/1678-2690 |
| DOI: |
10.1590/0001-3765202320191188 |
| Access URL: |
https://doaj.org/article/2ee409e358dc4c39b2c74c8a2c2e330b |
| Accession Number: |
edsdoj.2ee409e358dc4c39b2c74c8a2c2e330b |
| Database: |
Directory of Open Access Journals |