The Influence of Growth Rate on the Carcass Traits, Meat Quality Traits, and Fatty Acid Profile in Broilers

IF 0.5 Q4 AGRICULTURAL ECONOMICS & POLICY

Poljoprivreda Pub Date : 2023-06-20 DOI:10.18047/poljo.29.1.7

G. Kralik, Z. Kralik, Manuela Košević, K. Gvozdanović, I. Kralik

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引用次数: 0

Abstract

This research investigates the growth rate of Ross 308 broilers (Group A 50g weight gain) during a 42-day fattening period and its influence on the carcass traits and technological quality of breast meat by referring to the broiler sex and fatty acid profile in breast and thigh muscles. The portions of breasts, drumsticks with thighs, back, wings (%), and dressing percentage (%) are considered for the assessment of carcass traits. Technological quality is determined by reviewing the following indicators: pH1, pH2, ΔpH, drip loss, and the breast meat color (CIE L*, a*, b*) . This research confirms a significant influence of broiler sex and growth rate on the live weight gain and carcass weight (p˂0.001) and the portions of breasts (p=0.006) and drumsticks with thighs (p=0.004) too. The growth rate has a significant influence on the portions of drumsticks with thighs and wings (p˂0.001). Broiler sex exerts an influence on the differences in drip loss, % (p=0.003) and in the yellowness (p=0.029) of breast meat. There is a positive correlation determined between the pH1 and pH2 (p0.05). Highly significant differences (p˂0.05) are determined, however, in the content of certain fatty acids between the breast and thigh muscles.

查看原文本刊更多论文

生长速率对肉鸡胴体性状、肉质性状及脂肪酸组成的影响

本研究以Ross 308肉鸡（A组增重50g）为试材，参照肉鸡性别及胸肉和大腿肌肉脂肪酸分布，研究其42天育肥期的生长速度及其对胴体性状和胸肉工艺品质的影响。评估胴体性状时，应考虑胸部、鸡腿与大腿、背部、翅膀的比例（%）和敷料百分比（%）。工艺质量是通过审查以下指标来确定的：pH1、pH2、ΔpH、滴水损失和胸肉颜色（CIE L*、a*、b*）。这项研究证实，肉鸡的性别和生长速度对活重增加和胴体重量（p 0.001）以及胸部（p=0.006）和鸡腿与大腿（p=0.002）也有显著影响。生长速度对鸡腿的大腿和翅膀部分有显著影响（p 0.001）。肉鸡的性别对胸肉的滴水损失、%（p=0.003）和黄度（p=0.029）的差异有影响。pH1和pH2之间存在正相关（p0.05）。然而，在胸部和大腿肌肉之间的某些脂肪酸含量方面存在高度显著差异（p 0.05）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Poljoprivreda AGRICULTURAL ECONOMICS & POLICY-

CiteScore

1.00

自引率

14.30%

发文量

审稿时长

15 weeks

期刊介绍： POLJOPRIVREDA“ (AGRICULTURE), a scientific-professional journal has been issued since 1995 by the Faculty of Agriculture in Osijek and Agricultural Institute Osijek . The journal is a successor of the former one „Science and practice in agriculture and food technology“ printed from 1982 to 1994. The journal „Poljoprivreda“ is known for publishing scientific and professional articles from all fields of agricultural science and profession. The papers are reviewed. Articles are categorized by two independent referees and approved by Editorial board and Editor – in – chief. Summaries of master"s and doctor"s theses are also published as well as other contributions by the special decisions of the Editorial board.