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Title: | Características da carcaça de cordeiros alimentados com dietas contendo feno de amoreira | English Title: | Carcass characteristics of lambs fed diets with mulberry hay | Contributor(s): | Cirne, Luis Gabriel Alves (author); Sobrinho, Americo Garcia da Silva (author); de Almeida, Fabiana Alves (author); Santana, Valeria Teixeira (author); Endo, Viviane (author); Zeola, Nivea Maria Brancacci Lopes (author); de Almeida, Amelia Katiane (author) | Publication Date: | 2016 | Open Access: | Yes | DOI: | 10.5433/1679-0359.2016v37n4Supl1p2737 | Handle Link: | https://hdl.handle.net/1959.11/29285 | Abstract: | Objetivou-se avaliar as características quantitativas in vivo, da carcaça e dos cortes comerciais de cordeiros alimentados com dietas contendo 0; 12,5 e 25,0% de feno de amoreira em substituição ao concentrado. Foram utilizados vinte e quatro cordeiros Ile de France, com aproximadamente 60 dias de idade e 15 kg de peso corporal, confinados em baias individuais e abatidos aos 32 kg. Houve efeito linear crescente (R2 = 0,84) para a profundidade do tórax, índice de musculosidade da perna (R2=0,71) e para a relação músculo:osso (R2=0,95); decrescente (R2 =0,75) para o índice de compacidade da carcaça, peso da paleta (R2 = 0,78) e peso (R2=0,99) e comprimento (R2=0,86) do fêmur à medida que se aumentou o feno de amoreira na dieta; e comportamento quadrático para perdas por resfriamento (R2=1,0) e porcentagem de gordura intermuscular. O feno de amoreira pode ser utilizado na alimentação de cordeiros confinados sem prejudicar as características quantitativas da carcaça. | Publication Type: | Journal Article | Source of Publication: | Semina Ciencias Agrarias, 37(4), p. 2737-2748 | Publisher: | Universidade Estadual de Londrina | Place of Publication: | Brazil | ISSN: | 1679-0359 0101-3742 |
Fields of Research (FoR) 2008: | 070299 Animal Production not elsewhere classified | Fields of Research (FoR) 2020: | 300303 Animal nutrition 300301 Animal growth and development |
Socio-Economic Objective (SEO) 2008: | 830310 Sheep - Meat | Socio-Economic Objective (SEO) 2020: | 100412 Sheep for meat | Peer Reviewed: | Yes | HERDC Category Description: | C1 Refereed Article in a Scholarly Journal | English Abstract: | The aim of this study was to evaluate the in vivo quantitative traits of carcass and commercial cuts of lambs fed diets containing 0, 12.5, and 25.0% mulberry hay replacing the concentrate. Twenty-four Ile de France lambs at approximately 60 days of age, with 15 kg body weight, were confined in individual stalls and slaughtered at 32 kg. Increasing levels of mulberry hay in the diet resulted in a linear increase in chest depth (R2=0.84), leg muscularity index (R2=0.71), and muscle:bone ratio (R2=0.95); a linear decrease in leg compactness index (R2 =0.75), shoulder weight (R2=0.78), and femur weight (R2=0.99) and length (R2=0.86); and a quadratic response from chilling losses (R2=1.0) and percentage of intermuscular fat. Mulberry hay can be used in the feeding of feedlot lambs without compromising their carcass quantitative characteristics. |
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Appears in Collections: | Journal Article School of Environmental and Rural Science |
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openpublished/CarcassAlmeida2016JournalArticle.pdf | Published version | 254.64 kB | Adobe PDF Download Adobe | View/Open |
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