Grain grinding size of cereals in complete pelleted diets for growing lambs: Effects on animal performance, carcass and meat quality traits
2019
Andrés, Sonia | Jaramillo, Esaúl | Mateo, J. | Caro, I. | Carballo, D. E. | López, Secundino | Giráldez, Francisco Javier | Ministerio de Ciencia, Innovación y Universidades (España) | Agencia Estatal de Investigación (España) | European Commission | Consorcio de Universidades Mexicanas
6 páginas, 5 tablas.
Afficher plus [+] Moins [-]The main goal of the present study was to clarify the effects of different grinding particle size of grains (2-mm vs. 6-mm) included in complete pelleted diets (CPD) for fattening lambs on animal performance, carcass and meat quality. Twenty male merino lambs (14.8 kg; n = 10 per group) were fed the corresponding diet ad libitum and slaughtered when they reached 27 kg. No differences were observed in the feed conversion ratio or carcass characteristics. However, lambs fed coarser diets (6 mm) were more efficient with less residual feed intake (−14.0 vs. 15.4 g DM/animal/d; P < .05) than lambs fed the 2 mm CPD. Lambs fed the 6-mm CPD showed higher levels of intramuscular fat and saturated fatty acids. Consequently, increasing the particle size of the grains included in CPD allows for improving feed efficiency and intramuscular fat in fattening lambs.
Afficher plus [+] Moins [-]This work was funded by the Spanish Ministry of Science,Innovation and Universities (MICINN), the Spanish Agency of Research(AEI) and the European Regional Development Fund (FEDER, EU)through the project RTI2018-099329-B-I00. Also, this work was fundedby a grant CUMEX (E. Jaramillo) from the Consortium of Mexican Universities Autonomous University of Ciudad Juarez.
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