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Animal Nutrition 2021年第1期7卷 134-141页

作者： nasir landy Farshid Kheiri Mostafa Faghani Department of Animal Science Shahrekord BranchIslamic Azad UniversityShahrekord***Iran

This experiment aimed to examine the effect of periodical application of bioactive peptides derived from cottonseed(BPC)in comparison with using sub-therapeutic doses of lincomycin and the excessive in-clusion of vitamin E on performance,immunity,total antioxidant capacity of serum and intestinal morphology of broiler chickens.A total of 240 one-d-old male broiler chicks with similar initial weight(Ross strain)were randomly assigned to 6 groups(8 chicks/pen):non-treated group(basal diet),basal diet supplemented with 2 mg/kg lincomycin,basal diet supplemented with 50 IU vitamin E,basal diet supplemented with 6 g BPC/kg in starter period,basal diet supplemented with 6 g BPC/kg in starter and grower periods and basal diet supplemented with 6 g BPC/kg throughout the whole *** highest final body weight was obtained in the group supplemented with BPC in starter and grower *** the finisher phase,broilers fed the diet containing BPC in the starter period and in the whole trial had significantly(P0.05).Broilers supplemented with BPC in starter and grower,and in the whole trial had significantly(P<0.05)higher antibody titers against sheep red blood cells(SRBC).The highest total antioxidant capacity was obtained in broilers supplemented with the excessive level of vitamin E,furthermore it tended to improve in broilers fed the diet containing BPC in the whole *** summary,the results of the study indicated that addition of BPC in broiler diets in the

关键词： Antibiotic Bioactive peptide Broiler Immunity Lincomycin Vitamin E

Evaluation of one-alpha-hydroxy-cholecalciferol alone or in combination with cholecalciferol in Ca-P deficiency diets on development of tibial dyschondroplasia in broiler chickens

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Animal Nutrition 2018年第1期4卷 109-112页

作者： nasir landy Majid Toghyani Young Researchers and Elite Club Isfahan (Khorasgan) BranchIslamic Azad University Department of Animal Science Isfahan (Khorasgan) BranchIslamic Azad University

This experiment was conducted to determine whether dietary cholecalciferol will alleviate a calcium and phosphorous(Ca-P) deficiency when one-alpha-hydroxy-cholecalciferol,1 a(OH)D_3,is supplemented,and to determine the effects of adequate and inadequate Ca-P when 1 a(OH)D_3 is supplemented and vitamin D_3 is adequate.A total of 144 one-d-old broiler chicks(Ross 308) were allocated to 3 *** dietary treatments were as follows: treatment A,adequate Ca-P + cholecalciferol + 5 mg/kg 1 a(OH)D_3;treatment B,inadequate Ca-P + cholecalciferol + 5 mg/kg 1 a(OH)D_3; treatment C,inadequate Ca-P + 5 mg/kg 1 a(OH)D_*** diets were mixed with 500 FTU/kg of phytase,and cholecalciferol was provided in 5,000 IU/kg except for treatment C that fed diets without vitamin D_*** Ca-P levels in the adequate diets were 0.90% Ca,0.66% total phosphorus(t P); 0.75% Ca,0.59% t P; 0.69% Ca,0.54% t P for the starter,grower and finisher *** d 42 of age,broilers were inspected for incidence and severity of tibial dyschondroplasia(TD).The results showed that inadequate Ca-P supplementation with cholecalciferol significantly decreased the incidence of TD,score and tibia ash compared with broilers fed the same diet in the absence of cholecalciferol(P < 0.05).The broilers fed inadequate Ca-P diets with cholecalciferol were unable to achieve the same tibia ash and incidence of TD as those fed Ca-P adequate diets(P < 0.05).In conclusion,this trial suggests that broilers fed an inadequate Ca-P diet with 1 a(OH)D_3 and adequate level of cholecalciferol are unable to sufficient bone *** was no indication that 1 a(OH)D_3 in the absence of cholecalciferol was effective in reducing TD whereas it could improve tibia ash.

关键词： One-alpha-hydroxy-cholecalciferol Broiler Cholecalciferol Tibia ash Tibial dyschondroplasia

Effects of dietary 1 alpha-hydroxycholecalciferol in calcium and phosphorous-deficient diets on growth performance,tibia related indices and immune responses in broiler chickens

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Animal Nutrition 2019年第2期5卷 134-139页

作者： Parham Ghasemi Majid Toghyani nasir landy Department of Animal Science Isfahan(Khorasgan)BranchIslamic Azad UniversityIsfahan***Iran Young Researchers and Elite Club Khorasgan BranchIslamic Azad UniversityIsfahan***Iran

This experiment was conducted to investigate the effect of dietary 1α-hydroxycholecalciferol(1α-OH-D3)in calcium(Ca)-and phosphorous(P)-deficient diets on growth performance, carcass characteristics,tibia related parameters, and immune responses of broiler chickens. A total of 280 one-day-old broiler chickens(Ross 308) were assigned to 20 floor pens and 4 dietary treatments with 5 replicates. Dietary treatments consisted of starter diets(starter diet of treatment A: 1% Ca, 0.73% total phosphorus [tP];starter diet of treatment B: 0.85% Ca.0.64% tP + 5 μg/kg of 1α-OH-D3;starter diet of treatment C: 0.85%Ca, 0.59% tP + 5 μg/kg of 1α-OH-D3;starter diet of treatment D: 0.85% Ca, 0.54% tP + 5 μg/kg of 1α-OHD3), grower diets(grower diet of treatment A: 0.86% Ca, 0.68% tP;grower diet of treatment B: 0.73% Ca,0.59% tP + 5 μg/kg of 1α-OH-D3;grower diet of treatment C: 0.73% Ca, 0.55% tP + 5 μg/kg of 1α-OH-D3;grower diet of treatment D: 0.73% Ca, 0.50% tP + 5 μg/kg of 1α-OH-D3) and finisher diets(finisher diet of treatment A: 0.81% Ca, 0.64% tP;finisher diet of treatment B: 0.68% Ca, 0.56% tP + 5 μg/kg of 1α-OH-D3;finisher diet of treatment C: 0.68% Ca,0,52% tP + 5 μg/kg of 1α-OH-D3;finisher diet of treatment D: 0.68%Ca.0.48% tP + 5 μg/kg of 1α-OH-D3). Results showed that body weight gain(BWG) and feed intake(FI) of broilers in treatment B were similar to those of broilers in treatment A at the end of the trial(P 0.05). Dietary treatments had no significant effect on antibody titers against Newcastle and Influenza disease viruses as well as sheep red blood cells. Dietary treatments had no significant effects on tibia ash and tibial dyschondroplasia score. Broilers fed Ca-P deficient diets had lower tibia Ca and P than those in treatment A(P

关键词： Broiler 1α-OH-D3 Phytate phosphorous Performance Immunity Tibia

Evaluation of thyme and ajwain as antibiotic growth promoter substitutions on growth performance,carcass characteristics and serum biochemistry in Japanese quails(Coturnix japonica)

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Animal Nutrition 2018年第1期4卷 79-83页

作者： Farshid Kheiri Mostafa Faghani nasir landy Department of Animal Science Shahrekord BranchIslamic Azad University Young Researchers and Elite Club Khorasgan BranchIslamic Azad University

The present study was to evaluate thyme and ajwain as antibiotic growth promoter substitutions on growth performance,carcass characteristics and serum biochemistry in Japanese quails(Coturnix japonica).A feeding trial was conducted over 28 d with 4 groups of Japanese quails fed experimental diets formulated to provide no supplementation(control),or control t 55 mg zinc bacitracin/kg,2 g thyme/kg,and 2 g ajwain/*** 35 d of age,2 quails from each replicate were sacrificed and ***,empty small intestine and heart were weighed and calculated as a percentage of live body *** carcasses were weighed and the cuts were performed to evaluate the yield of legs and *** 35 d of age,2 quails per replicate were chosen and approximately 1-m L blood samples were collected through brachial vein,and concentrations of albumin,total protein,triglyceride,total cholesterol,and high density lipoprotein(HDL)-cholesterol were *** body weight were not affected by the dietary treatment whereas,it tended to increase in quails supplemented with *** feed conversation ratio values were similar though it tended to improve in quails supplemented with thyme compared with other *** feed intake,internal organ weights and carcass traits were not influenced by the dietary *** total cholesterol contents were lower(P < 0.05) in quails supplemented with ajwain compared with control and quails supplemented with antibiotic and *** highest serum HDL-cholesterol was seen in the group supplemented with thyme compared with other *** was concluded that the addition of 2 g/kg thyme can improve serum biochemistry in quails,although its effects on performance criteria was negligible.

关键词： Quail Thyme Ajwain Performance Carcass characteristics Serum biochemistry

Evaluation of Calendula officinalis L.(marigold)flower as a natural growth promoter in comparison with an antibiotic growth promoter on growth performance,carcass traits and humoral immune responses of broilers

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Animal Nutrition 2019年第3期5卷 314-318页

作者： Marjan Foroutankhah Majid Toghyani nasir landy Department of Animal Science Isfahan(Khorasgan)BranchIslamic Azad UniversityIsfahan***Iran Department of Animal Science Shahrekord BranchIslamic Azad UniversityChaharmahal and Bakhtiari***Iran

The objective of this experiment was to investigate the effects of dried powder of Calendula ojficinalis L.(marigold)flower as an antibiotic growth promoter substitute on growth performance,organ weights,and immunological parameters in broilers.A total of 240 mixed sex broilers(Ross 308)at 1 d of age were individually weighed and randomly assigned to 4 treatments with 4 replicates of 15 birds for 6 *** dietary treatments were:1)a basal diet(control);2)control plus 4.5 mg flavophospholipol/kg of diet;3)control plus 5 g marigold/kg of diet;4)control plus 10 g marigold/kg of *** responses against Newcastle(NDV),influenza(AI)viruses,and sheep red blood cells(SRBC)were *** 4.5 mg flavophospholipol/kg of diet enhanced body weight(BW)of broilers at 14 and 28 d of age(P<0.05),but final BW at 42 d was not markedly *** 14 and 28 d of age,broilers fed diets supplemented with 10 g marigold/kg of diet had significantly lower BW compared with broilers fed the basal diet supplemented with antibiotic or 5 g marigold/kg of *** the starter period,broilers fed diets supplemented with antibiotic had significantly(P<0.05)better FCR compared with broilers supplemented with 10 g marigold/kg of diet,but did not differ from broilers fed the basal diet or basal diet supplemented with 5 g marigold/kg of *** were no significant differences in FCR between treatments,during grower,finisher phases as well as for the whole *** yield was significantly(P<0.05)higher in broilers supplemented with 5 g marigold/kg of diet compared with broilers in other *** treatments failed to induce any marked effect on immune *** conclusion,the results of this experiment showed that supplementation of 5 and 10 g dried powder of marigold/kg of diet has no affirmative influence on growth performance of broilers.

关键词： Broiler Calendula officinalis L. Performance Immunity Organ weights

Evaluation of kefir as a potential probiotic on growth performance,serum biochemistry and immune responses in broiler chicks

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Animal Nutrition 2015年第4期1卷 305-309页

作者： Majid Toghyani Seyed kazem Mosavi Mehrdad Modaresi nasir landy Department of Animal Science Khorasgan Branch Islamic Azad University Young Researchers and Elite Club Khorasgan BranchIslamic Azad University

This experiment was conducted to evaluate the effect of milk or molasses kefir as a probiotic on growth performance, carcass traits, serum biochemistry and humoral immune responses in broiler chickens. A total of 192 one-d-old as hatched broiler chicks(Ross 308) were randomly allotted to 4 treatments, each with 4 replicate pens of 12 chicks. The following treatments were applied: 1) a basal diet(C) and normal drinking water, 2) 2% milk kefir in drinking water, 3) 2% molasses kefir in drinking water, and 4) the diet C supplemented with commercial probiotic. At d 42, eight birds per treatment were killed for determination of carcass traits. Broilers at 28 days of age were bled for measuring antibody titers against Newcastle disease virus(NDV) and avian influenza virus(AIV), at 30 days of age for antibody titers against sheep red blood cell(SRBC), and at 42 days of age for biochemical analysis. Supplementing 2%milk kefir increased body weight of broilers at 28 and 42 days of age(P 0.05) influenced. Broilers supplemented with molasses kefir, had a significantly lower concentration of serum total cholesterol, low density lipoprotein cholesterol and elevated high density lipoprotein cholesterol at 42 days of age(P < 0.05). In conclusion, t

关键词： Antibiotic Milk kefir Molasses kefir Multi-strain probiotic Broilers

Effect of onion (<i>Allium cepa</i>L.) as an antibiotic growth promoter substitution on performance, immune responses and serum biochemical parameters in broiler chicks

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Health 2013年第8期5卷 1210-1215页

作者： Majid Goodarzi nasir landy Shahram Nanekarani Department of Animal Science Borujerd Branch Islamic Azad University Lorestan Iran Young Researchers Club of Islamic Azad University Khorasgan Branch Isfahan Iran

This experiment was conducted to evaluate the effect of onion (Allium cepa L.) as an antibiotic growth promoter substitute on growth performance, immune responses and serum biochemistry in broilers. A total of 192 one-d-old as hatched broiler chicks (Ross 308) were weighed and randomly allocated to four treatment groups, each with 4 replicate pens of 12 chicks. The dietary treatments consisted of the basal diet (control), antibiotic (15 mg Virginiamycin/kg), and control +10 or 30 g fresh onion bulb/kg diet. Body weights of broilers were determined at d 1, 21 and 42, feed intake was determined at the same periods, and feed conversion ratio was calculated accordingly. At 14th and 21st days blood samples were taken for measuring antibody titers against NDV and at 42nd day for biochemical analysis. At d 42, two birds per replicate were slaughtered for determination of lymphoid organ weights. Dietary supplementation of30 g/kg onion increased final body weight of broilers at 42nd d of age compared to the other treatments (P < 0.05). Birds fed30 gonion/kg in the diet had the highest feed intake than other treatments at different growth periods (P < 0.05). Dietary treatments failed to induce any significant effect on antibody titers against NDV, although the weight of lymphoid organs was significantly (P Broilers receiving30 g/kg onion had a significantly higher HDL and lower triglyceride concentrations compared to control groups (P . Feeding30 g/kg onion resulted in a marked reduction in the concentration of the glucose compared to control groups (P . The results suggested that dietary inclusion of30 g/kg onion can be applied as alternatives to in-feed antibiotics for broiler diets.

关键词： Allium cepa Onion Broiler Chickens Immune Response Serum Biochemical Parameters

Efficiency of Echinacea purpurea on Total Antioxidant Activity in Serum of Broiler Chicks

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Efficiency of Echinacea purpurea on Total Antioxidant Activi...

Humoral Immune Responses of Broiler Chickens Fed with Antibiotic and Neem Fruit Powder （Azadirachta Indica） as Feed Additive Supplemented Diet

International Conference on Food Engineering and Biotechnology（ICFEB 2011）

作者： Gholamreza Ghalamkari nasir landy Majid Toghiani Mehrdad Modaresi Zahra Ghalamkari Department of Animal Science Khorasgan BranchIslamic Azad UniversiyIsfahanIRAN Young Researchers Club Khorasgan BranchIslamic Azad UniversityIsfahanIRAN Isfahan University IsfahanIRAN

This experiment was conducted to examine the effect of dried aerial part powder of Echinacea purpurea（EP） in comparison with an antibiotic（flavofosfolipol） on total antioxidant activity（AOA） in serum of broiler *** this trial 192 one-day-old broiler chicks（Ross 308） were randomly allocated to the 4 treatment groups,each with 4 replicates with 12 *** 4 treatments were as follows:*** diet（control）;*** diet + antibiotic（4.5 mg flavofosfolipol/kg diet）;*** diet + dried aerial part powder of EP（5 g/kg diet）;*** diet + dried aerial part powder of EP（10 g/kg diet）.The contents of Flavonol-oglycosides as Quescetin was determined by spectrophotometry method,the Flavonol-o-glycosides as Quescetin content of EP was 20 ± 2 mg/100 g dry *** 42 day blood sample were taken and analyzed for total antioxidant activity（AOA） of serum *** of 10 g/kg diet EP led to the highest AOA（mmol/lit） compared to other *** AOA increased in broilers fed diet containing 5 g EP/kg diet than those control and antibiotic treatments but not *** conclusions the results of this trial showed that,use of 10 g EP/kg diet improved total antioxidant activity in serum of broiler chicks.

关键词： Echinacea purpurea Antioxidant Activity Broiler

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Humoral Immune Responses of Broiler Chickens Fed with Antibi...