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Chairul .
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Veterinary

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Heat stress effect and given of hexane extract jaloh bark (Salix tetrasperma Roxb) to cortisol level, triiodothyronine and hematology profile of broiler chickens Sugito .; W Manalu; D.A Astuti; E Handharyani; Chairul .
Jurnal Ilmu Ternak dan Veteriner Vol 12, No 3 (2007): SEPTEMBER 2007
Publisher : Indonesian Center for Animal Research and Development (ICARD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (59.3 KB) | DOI: 10.14334/jitv.v12i3.482

Abstract

Plasma concentration of cortisol and hematological profile on broiler chickens can be used as heat stress indicators. This study was conducted to investigate the effect of administration of n-hexane extract of jaloh bark (EHJ) on heat-stressed broiler chicken. Thirty broilers, aged 20 days (strain Cobb), were randomly divided into 5 groups. The first group was external control (tCP) i.e. chickens without heat stress and without EHJ administration. The second group was internal control (CP) representing chickens given heat stress without EHJ administration. The third, fourth, and  fifth groups were chickens given heat stress and EHJ administration at doses 5, 10, and 20 mg/kg BW, respectively symbolized as CP+EHJ5, CP+EHJ10, and CP+EHJ20. The experimental broilers were exposed to heat stress in constant temperature of 33 ± 1oC for 4 hours daily for 5 and 10 days. The EHJ was given 1 hour before temperature in the cage was raised and was given in daily basis.  The level of cortisol in feces were measured from feces collected 1-2 hours before  treatment, 3-4 hours after heat stress exposure, and 2-3 hours after heat stress termination. This research indicated that heat stress at temperature 33 ± 1oC during 2 and 4 hours increased cortisol  excretion in feces (P<0.05) and increased ratio H : L (P<0.10). The EHJ at dose of 10 mg/kg BW relatively gave more protection from heat stress impact on broilers. Key Words: Cortisol, Triiodothyronine, Heat Stress, Salix, Hematology
Histopathology of liver and kidney on broiler chicken exposed to heat stress and fed extract of Jaloh (Salix tetrasperma Roxb) Sugito .; W Manalu; E Handharyani; Chairul .
Jurnal Ilmu Ternak dan Veteriner Vol 12, No 1 (2007): MARCH 2007
Publisher : Indonesian Center for Animal Research and Development (ICARD)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (159.588 KB) | DOI: 10.14334/jitv.v12i1.566

Abstract

This research was conducted to study the effects of jaloh extract (Salix tetrasperma Roxb) on broiler chicken exposed to heat stress in constant temperature of 33 ± 1oC for 4 hours per day for 10 days. Fifteen chickens aged 20 days old (strain Cobb) were divided randomly into 5 groups. The first group was external control (tCP) of the chickens received neither heat stress nor jaloh extract. The second group was internal control (CP) representing chickens given heat stress without jaloh extract. The third, fourth, and fifth groups consisted of chickens given heat stress and 10 mg/kg BB of hexane (CP+Hek), ethyl acetate (CP+EtOAc), and ethanol (CP+EtOH) fractions, respectively. Heat stress and jaloh extract were given every day. Extract of jaloh were given 1 hour before temperature in the cage was raised. On 10th day of the experiment, 3 chickens were killed and necropted. Liver and kidney tissues from each treatment were analyzed for histological condition. The results indicated that heat stress can induce injury degeneration, necrosis, and infiltration of inflammation cells of liver and kidney. It is concluded that the hexane fraction of jaloh extract could protect the detrimental effects on heat stress. Key Words: Heat Stress, Extract Salix, Liver, Broiler Kidney
Co-Authors D.A Astuti E Handharyani Sugito Sugito W Manalu