Production parameters, carcass development and blood parameters of the broiler chick fed diets which include rapeseed, flax, grape and buckthorn meals

Petru Alexandru Vlaicu, Tatiana Dumitra Panaite, Rodica Diana Criste, Margareta Olteanu, Mariana Ropota, Virgil Criste, Gabriela Vasile, Iulian Grosu

Abstract


A feeding trial was performed on 75, day-old ROSS 308 chicks assigned to 3 groups (C, E1 and E2) to test new feeding solutions for broilers using oil industry by-products. In the starter phase (0-10 days), all chicks received a conventional compound feed. In the other two stages (growing, finishing), compared to the conventional diet given to the C group, the diet formulations of the experimental groups included different proportions, depending on the phase of development, rapeseeds meal and grape pomace (E1) and flaxseeds meal and buckthorn meal (E2). The compound feed for group E2 had significantly (P≤0.05) higher ω-3 PUFA concentrations than groups C and E1. Six blood samples/group were collected in the end of the feeding trial, used for biochemical and haematological determinations. Six chicks/group were slaughtered on day 42, to measure carcass and internal organs development. The feed intake and gains were monitored throughout the experimental period (10-42 days). At 42 days, E2 broiler chicks had significantly (P≤0.05) lower body weight than C broiler chicks. Serum glycaemia, cholesterol and trygliceride concentrations were significantly (P≤0.05) lower in E2 chicks than in C chicks, by 17.94 %, 25.70 % and 42.05%, respectively.

Keywords


broilers; by-products; performance; carcass development; blood parameters

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LUCRARI STIINTIFICE ZOOTEHNIE SI BIOTEHNOLOGII (SCIENTIFIC PAPERS ANIMAL SCIENCE AND BIOTECHNOLOGIES)

ISSN print 1841 - 9364
ISSN online 2344 - 4576
ISSN-L  1841 - 9364
(former ISSN 1221-5287, E-ISSN 1841-9364)

PUBLISHER: AGROPRINT Timisoara, Romania
PAPER ACCESS: Full text articles available for free
FREQUENCY: Semiannual
PUBLICATION LANGUAGE: English
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Banat´s University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" from Timisoara
Bioengineering Faculty of Animal Resources
300645, Timişoara, Calea Aradului 119, Romania

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