Effects of palm kernel cake in high-concentrate diets on carcass traits and meat quality of feedlot goats

被引：15

作者：

da Silva, Liliane Oliveira ^{[1
]}

de Carvalho, Gleidson Giordano Pinto ^{[1
]}

Tosto, Manuela Silva Libanio ^{[1
]}

Lima, Victor Guimaraes Oliveira ^{[1
]}

Cirne, Luis Gabriel Alves ^{[2
]}

de Araujo, Maria Leonor Garcia Melo Lopes ^{[1
]}

Pina, Douglas dos Santos ^{[1
]}

Leite, Vagner Maximino ^{[1
]}

Rodrigues, Carlindo Santos ^{[1
]}

Mesquita, Bruna Mara Aparecida de Carvalho ^{[3
]}

机构：

[1] Univ Fed Bahia, Dept Anim Sci, BR-40170110 Salvador, BA, Brazil

[2] Univ Fed Oeste Para, Inst Biodivers & Forestry, BR-68035110 Santarem, Para, Brazil

[3] Univ Fed Minas Gerais, Inst Agr Sci, BR-39404547 Montes Claros, MG, Brazil

来源：

LIVESTOCK SCIENCE | 2021年 / 246卷

关键词：

By-product; Elaeis guineenses; Goat husbandry; Proximate composition; Sensory attributes; NEUTRAL DETERGENT FIBER; FATTY-ACID PROFILE; DIGESTIBLE FRACTION; BOER; RUMINANTS; FORAGE; MODEL;

D O I：

10.1016/j.livsci.2021.104456

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

This study was conducted to examine the effects of including palm kernel cake (0, 120, 240, and 360 g kg(-1)) in high-concentrate diets for feedlot goats on carcass traits and meat quality. Thirty-two non-pregnant, mixed-breed goats (average age: 1 year; initial body weight: 24.70 +/- 3.72 kg) were evaluated in a completely randomized experimental design. Hot (P = 0.007) and cold (P = 0.008) carcass weights responded quadratically, with maximum values of 16.4 and 16.3 kg estimated at the palm kernel cake inclusion levels of 125.0 and 116.7 g kg(-1), respectively. Loin eye area (P = 0.042), subcutaneous fat thickness (P = 0.013), fatness score (P = 0.014) and the morphometric measurements of external length (P = 0.009) and chest width (P = 0.013) decreased, whereas chest circumference (P = 0.037) responded quadratically to the increasing inclusion levels. The diets did not influence (P > 0.05) the physicochemical characteristics or proximate composition of goat meat. Principal component analysis of sensory attributes resulted in the separation of the meat samples. The inclusion of up to 115.0 g kg(-1) of palm kernel cake in high-concentrate diets for feedlot goats provides heavier carcasses and increases consumers' acceptance of goat meat.

引用

页数：7

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