2020
DOI: 10.15381/rivep.v31i4.16738
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Requerimientos de energía metabolizable para mantenimiento y ganancia de peso de llamas y alpacas determinados mediante la técnica de sacrificio comparativo

Abstract: El objetivo del estudio fue determinar los requerimientos de energía metabolizable de mantenimiento (EMm) y ganancia de peso vivo (EMg) de llamas y alpacas, mediante la técnica de sacrificio comparativo, a 4200 m de altitud. Se utilizaron 20 llamas machos (106.6 ± 7.7 kg de peso vivo, PV) y 20 alpacas machos (55.7 ± 4.9 kg PV), ambos grupos de 2 años de edad, divididos en 5 grupos de 4 animales por especie. Un grupo fue sacrificado al inicio del estudio para medir la energía corporal inicial, mientras que los … Show more

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Cited by 2 publications
(12 citation statements)
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“…The observed DMI at the maintenance level (37.4 g of DM/kg BW 0.75 ) is in line with the results reported by Huareccallo Maquera [42] and Roque H. et al [27] for growing animals: 36.7 and 37.4 g of DM/kg BW 0.75 , respectively. According to Bonavia and McGregor [43], the DMI required for alpacas that are fed a diet comprised of alfalfa hay and whole barley grain at the maintenance level is 41 g of DM/kg BW 0.75 (1.48% of BW).…”
Section: Body Weight Changes and Nutrients Intakessupporting
confidence: 91%
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“…The observed DMI at the maintenance level (37.4 g of DM/kg BW 0.75 ) is in line with the results reported by Huareccallo Maquera [42] and Roque H. et al [27] for growing animals: 36.7 and 37.4 g of DM/kg BW 0.75 , respectively. According to Bonavia and McGregor [43], the DMI required for alpacas that are fed a diet comprised of alfalfa hay and whole barley grain at the maintenance level is 41 g of DM/kg BW 0.75 (1.48% of BW).…”
Section: Body Weight Changes and Nutrients Intakessupporting
confidence: 91%
“…The observed DMI in the present study at the level of 50 g of DM/kg BW 0.75 with adult animals was 1.41% of BW or 40.0 g of DM/kg BW 0.75 . These values were slightly lower than those reported by Roque H. et al [27] for growing alpacas.…”
Section: Body Weight Changes and Nutrients Intakescontrasting
confidence: 69%
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“…Un estudio reciente, donde las alpacas se alimentaron con mezcla (1:1) de heno de avena y alfalfa, con un contenido de 10% de proteína, la excreción de N en la orina fue en promedio de 6.4 g/d, equivalente a una pérdida diaria de 13.82 g de urea, que representa el 1% de la energía consumida (Roque et al, 2020).…”
Section: Excreción De Nitrógenounclassified