Abstract
The aim of this study was to determine the production performance of layer hen strain Hy-Line Brown in different cage locations in closed house. The research material was 5,051 laying hens of the Hy-Line strain aged 28 weeks. House system was closed house, cage arranged to form frame A. Hy-Line Brown layer were housed at cage densities of 500 cm2 per hen. Research feed is complete feed code 324 KJ produced by PT. Charoen Pokphand Indonesia. The research method is comparative, comparing the production performance on the location of the cage in zone 1 (inlet), zone 2 (middle), and zone 3 (outlet) of a closed cage. The research sample is 10% of the total population. Observations were carried out on 6 cages which were randomly selected in each cage zone. The average density of cages is 20 birds/m2. Tabulated research data are Hen Day Production (%), egg weight (g), egg mass (kg), and feed conversion. Data analysis is analysis of variance analysis (One-Way ANOVA). Based on the results of the study, there were significant differences in the the production performance of layer hen strain Hy-Line Brown in different cage locations in closed house. The highest production performance is the cage located close to the inlet (Zone 1).
Highlights
The house is an important part of the management of laying hens, because it is a place for all birds’ activities so that the comfort of livestock must be guaranteed in order to obtain healthy and productive livestock
A closed house system is a type of cage that has good air ventilation settings with the help of an automatic control panel
The closed house system has ventilation that uses the pressure generated by the fan and a cooling pad as the cooling system [2]
Summary
The house is an important part of the management of laying hens, because it is a place for all birds’ activities so that the comfort of livestock must be guaranteed in order to obtain healthy and productive livestock. The closed house system has ventilation that uses the pressure generated by the fan (exhaust fan) and a cooling pad as the cooling system [2]. The closed house has zoning inside, i.e. the zone close to the cooling pad/inlet, the middle zone and the zone close to the exhaust fan/outlet. Where the zone near the cooling pad has a lower temperature than the zone near the exhaust fan, the house zone near the inlet has a cooler temperature [4]. Differences in the house environment which include temperature, humidity, and air velocity result in differences in the effective temperature of laying hens at the inlet to outlet points [4]
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