title: Effects of ascorbic acid and α-lipoic acid on performance and meat quality of broilers subjected to heat stress.
abstract: 1. The present study was aimed to investigate the effect of adding ascorbic acid or α-lipoic acid to to the diet of broilers exposed to heat stress on performance and meat quality.   2. Heat stress caused a decrease in final body weight and feed consumption, whilst ascorbic acid (AA) and α-lipoic acid (ALA) partly prevented the decrease in final body weight of males.   3. While heat stress increased the pH values of broiler drumsticks and breast meat, AA and ALA partly reduced this increase. For meat quality, AA and ALA reduced the adverse effects on the relative yellowness value, particularly on d 14 of storage.   4. It was determined that heat stress affected the microbiological quality of meat adversely, and that AA and ALA alleviated this effect to a certain extent.   5. In conclusion, while heat stress affected body weight gain and meat quality adversely, the supplementation of the ration with AA and ALA partly alleviated these adverse effects.
authors: Department of Animal Nutrition and Nutritional Disorders, Faculty of Veterinary Sciences, Ataturk University, 25240 Erzurum, Turkey. halitimik60@hotmail.com
authors: H
authors: H
authors: Imik
authors: H
authors: H
authors: Ozlu
authors: R
authors: R
authors: Gumus
authors: M Aydemir
authors: MA
authors: Atasever
authors: S
authors: S
authors: Urcar
authors: M
authors: M
authors: Atasever
mesh_terms: D000818:Animals; D000975:Antioxidants / Q000008:administration & dosage*; D001205:Ascorbic Acid / Q000008:administration & dosage*; D002645:Chickens / Q000254:growth & development / Q000502:physiology*; D004032:Diet / Q000662:veterinary; D019587:Dietary Supplements / Q000032:analysis; D005247:Feeding Behavior / Q000187:drug effects; D005260:Female; D018869:Heat-Shock Response; D006358:Hot Temperature / Q000009:adverse effects; D008297:Male; D008460:Meat / Q000592:standards*; D008063:Thioctic Acid / Q000008:administration & dosage*; D015430:Weight Gain / Q000187:drug effects
chemical_list: D000975:Antioxidants; D008063:Thioctic Acid; D001205:Ascorbic Acid