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Modulation the performance of Japanese quail chicks exposed to acute heat stress by using different means [electronic resource].

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Bakir, A. A

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Language: English Summary language: Arabic Description: p.1889-1904Other title:

معالجة الإجهاد الحرارى الحاد على أداء كتاكيت السمان اليابانى بطرق مختلفة [Added title page title]

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Egyptian journal of agricultural research, 2003 v. 81 (4) [electronic resource].

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In: Egyptian Journal of Agricultural Research 2003.v.81(4)Summary: Three experiments were performed to assess the effects of exposure to acute heat stress (A.H.S.) (4ºC) on the performance of Japanese quail chicks from one day old to six weeks of age. In all experiments, birds raised in heated batteries under continuous lighting, free feeding and water regimes. All experiments were started at one-day old and ended at six weeks of age. The results indicated that body weight (B.W.) was significantly decreased in 4 hr's-heat stressed (H.S.) group at 3, 4 and 5 wks of age. The highest B.W. was found in Ascorbic acids (A.A.) (500 mg) fed group. Feed intake decreased in H.S. 2 and 4 hr's and H.S.+fasting groups. Water consumption and mortality increased as HS period increased. These results suggest that AA addition to feed could ameliorate the negative effects of A.H.S. in Japanese quail.

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Three experiments were performed to assess the effects of exposure to acute heat stress (A.H.S.) (4ºC) on the performance of Japanese quail chicks from one day old to six weeks of age. In all experiments, birds raised in heated batteries under continuous lighting, free feeding and water regimes. All experiments were started at one-day old and ended at six weeks of age. The results indicated that body weight (B.W.) was significantly decreased in 4 hr's-heat stressed (H.S.) group at 3, 4 and 5 wks of age. The highest B.W. was found in Ascorbic acids (A.A.) (500 mg) fed group. Feed intake decreased in H.S. 2 and 4 hr's and H.S.+fasting groups. Water consumption and mortality increased as HS period increased. These results suggest that AA addition to feed could ameliorate the negative effects of A.H.S. in Japanese quail.

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