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2016, Number 1

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AbanicoVet 2016; 6 (1)

Productive performance and carcass characteristics of steers fed with glucogenic precursor

Carrillo-Herrera J, Murillo-Ortiz M, Herrera-Torres E, Carrete-Carreón F, Reyes-Estrada O, Livas-Calderón F

Language: Spanish
References: 28
Page: 13-21
PDF size: 123.93 Kb.


ABSTRACT

The aim of this study was to evaluate the effects of commercial gluocogenic precursor (Lipofeed®) onproductive performance and carcass characteristics of steers in feedlot. The study lasted 120 days, and 16steers of different breeds of cattle were used with an average weight of 260±5 kg. Animals were fed with experimental diets; T1: 15 % alfalfa hay (AH), 15 % oat hay (OH), 20 % cotton seal (CS), 47 % rolled corn, 1 % minerals, 2 % bicarbonate; T2, T3, y T4 added 20, 40 and 60 g of glucogenic precursor. +. For administration, the glucogenic precursor was mixed with the ingredients of diets which were provided at 07:00, and 19:00 h. The intake of each diet, was restricted to 2.8% of live animal weight. Data obtained were analyzed with a completely randomized design (4 treatments and 4 replicates). The higher weight daily gain (WDG), feed conversion (FC), hot carcass weight (HCC) and area of rib eye (ARE) were obtained with the treatment of 20 g of glucogenic precursor (P‹0.05). According the results of this research, it is concluded that 20 g of glucogenic precursor improves the productive variables and characteristics carcass of steers in feedlot.


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