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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.11
- 수록면
- 1,362 - 1,375 (14page)
- DOI
- 10.5187/jast.2021.e121
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초록· 키워드
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This study was conducted to evaluate the efficacy of a combination 3,4,5-trihydroxybenzoic acid (THB) and oregano extracts (i.e., Carvacrol and Thymol) at intake/dietary different levels on growth performance, intestinal health indicators, immune responses and fecal oocyst shedding in broiler chickens under Eimeria challenged condition. A total of 336 one-day-old broilers were randomly assigned to one of six dietary treatments with seven replications per treatment. Dietary treatments were: i) Non-challenged bird without any dietary treatment (NCNT), ii) Challenged bird without any dietary treatment (CNT), iii) Challenged birds fed a THB diet (0.1 g/kg, THB), iv) Challenged birds fed a combination of THB and oregano extracts diet (0.1 g/kg, COM 100), and a gradual increase of combination of THB and oregano extracts likely v) 0.15 g/kg (COM 150), and 0.2 g/kg (COM 200). On day 14, all groups except for NCNT have orally challenged with a 10-fold dose of Livacox® T anticoccidial vaccine to trigger coccidiosis. The results indicated that Eimeria-challenged broilers fed COM 100 and COM 200 diets increased (p < 0.05) body weight than CNT diet on day 35. Furthermore, birds fed COM 100 and COM 200 diets increased (p < 0.05) average daily gain compared to those fed CNT diets for the entire experimental period. There is no significant (p > 0.05) in average daily feed intake, feed efficiency between NCNT and birds fed with combined THB and oregano extracts for the entire experimental period. A combination of THB and oregano extract regardless of concentration levels or THB alone reduced (p < 0.05) lesion score in ileum compared to the CNT diet for 7 days post-infection (dpi). Birds fed COM 100 diet had lower (p < 0.05) intestinal lesion scores in jejunum and caeca on 7 dpi compared to those were in the CNT diet. No (p > 0.05) difference was observed in the oocysts per gram of feces count, intestinal morphology, carcass traits and blood cytokine concentration among the infected treatments. Collectively, we conclude that birds fed with a combination of THB and oregano extracts regardless of the ratios that were used demonstrated better recovery of health after the coccidial challenge than using only THB alone.
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등록된 정보가 없습니다.
참고문헌 (49)
참고문헌 신청
H.D. Chapman / 2014 / Milestones in avian coccidiosis research: A review / Poultry Science 93(3):501~511
Damer P. Blake / 2020 / Re-calculating the cost of coccidiosis in chickens / Veterinary Research 51(1):115
Naila Chand / 2016 / Anticoccidial effect of mananoligosacharide against experimentally induced coccidiosis in broiler / Environmental Science and Pollution Research 23(14):14414~14421
H.D. Chapman / 2010 / Forty years of monensin for the control of coccidiosis in poultry / Poultry Science 89(9):1788~1801
K.P. Acharya / 2017 / Alternatives to Fight Against Coccidiosis: A Review / Nepalese Veterinary Journal 34:152~167
Damer P. Blake / 2020 / Re-calculating the cost of coccidiosis in chickens / Veterinary Research 51(1):115
Naila Chand / 2016 / Anticoccidial effect of mananoligosacharide against experimentally induced coccidiosis in broiler / Environmental Science and Pollution Research 23(14):14414~14421
H.D. Chapman / 2010 / Forty years of monensin for the control of coccidiosis in poultry / Poultry Science 89(9):1788~1801
K.P. Acharya / 2017 / Alternatives to Fight Against Coccidiosis: A Review / Nepalese Veterinary Journal 34:152~167
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