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Título: Effects of exogenous enzymes on nutrients digestibility and growth performance in sheep and goats
Palabras clave: enzymes
average daily gain
Fecha de publicación: 31-Jul-2012
Editorial: Tropical and subtropical agroecosystems
Descripción: Six crossbred sheep (32.00±0.603 kg body weight (BW)) and 6 Baladi goats (18.00±0.703 kg BW) were used in 2 x 2 factorial design to evaluate the effect of exogenous enzymes of ZADO® (i.e., ENZ) and on nutrients digestibility and growth performance. Animals were fed on wheat straw ad libitum and restricted amount of commercial concentrate with (+ENZ) or without (-ENZ) 10 g/animal/day of ZADO® to cover 120% of their maintenance requirements. Nutrients digestibilities were increased (P<0.01) in +ENZ groups and it was better in goats than sheep. Goats had the lowest total dry matter intake (DMI) that associated with an increased in digestibility and average daily gain (ADG) more than sheep. Feed efficiency, metabolizable protein intake and net energy for growth occurred sheep and goats diets of +ENZ and the highest (P<0.01) values were observed in goats received +ENZ diet. These results suggested a good performance of goats than sheep received ENZ under the critical conditions of shortage feedstuffs in Egypt.
Other Identifiers: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1870-04622011000300030
Aparece en las Colecciones:Tropical and Subtropical Agroecosystems

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