Effects of Low Doses of Oestradiol, Testosterone and Dihydrotestosterone on the Immune Response of Broiler Chicks

1998 ◽  
Vol 20 (2) ◽  
pp. 315-327 ◽  
Author(s):  
A. I. Al-afaleq ◽  
A. M. Homeida
Keyword(s):  
Immune Response ◽  
Broiler Chicks ◽  
Low Doses

Effects of feeding Isomaltooligosaccharides on the growth performance, carcass traits and immune response of broiler chickens

2014 ◽  
Vol 3 (1) ◽  
pp. 150-157
Author(s):  
Khalid M. Gaafar
Keyword(s):  
Immune Response ◽  
Growth Performance ◽  
Broiler Chickens ◽  
Carcass Traits ◽  
Dietary Supplementation ◽  
Control Group ◽  
Broiler Chicks ◽  
Feed Conversion ◽  
Flu Vaccine ◽  
Lipids Profile

The research was conducted to study the effect of feeding broiler chickens on diets containing isomaltooligosaccharides on the growth performance, carcass traits and immune response. 90-one day old broiler chicks were used according to completely randomized two treatment groups and one control, 30 birds each. Birds fed ad-libitum on basal starter and grower-finisher diets for 35 day. Diets of treatment`s groups contained 0.5 g/Kg and 1 g/Kg of Isomaltooligosaccharides, while the control group fed on the basal diets without Isomaltooligosaccharides supplementation. Dietary supplementation of broiler chickens with Isomaltooligosaccharides improved body weight, feed conversion, carcass traits, two lymphoid organs weight and log antibody titer against avian flu vaccine. Most of the highest values were for birds fed low levels of Isomaltooligosaccharides. Feed intake decreases as Isomaltooligosaccharides level increases. Dietary supplementation with Isomaltooligosaccharides did not affect the lipids profile (triglycerides, total cholesterol, LDL and HDL), however the blood VLDL levels decreased with increased levels of Malondialdehyde and Glutathione reductase. Collectively, Dietary supplementation of broiler chickens with 0.5 g/Kg diet of Isomaltooligosaccharides improved growth performance, carcass traits and immune status.

Effect of in ovo copper injection on body weight, immune response, blood biochemistry and carcass traits of broiler chicks at 35 days of age

2021 ◽  
pp. 1-8
Author(s):  
Hanan A. Hassan ◽  
A. R. Arafat ◽  
K. Y. Farroh ◽  
M. S. Bahnas ◽  
I. El-wardany ◽  
...  
Keyword(s):  
Immune Response ◽  
Body Weight ◽  
Carcass Traits ◽  
Blood Biochemistry ◽  
Broiler Chicks ◽  
In Ovo

scholarly journals The epidemiological consequences of immune priming

2012 ◽  
Vol 279 (1746) ◽  
pp. 4505-4512 ◽  
Author(s):  
Hannah J. Tidbury ◽  
Alex Best ◽  
Mike Boots
Keyword(s):  
Immune Response ◽  
Population Dynamics ◽  
Population Level ◽  
Low Doses ◽  
Population Stability ◽  
Invertebrate Immunity ◽  
Invertebrate Host ◽  
Immune Priming ◽  
Pathogen Persistence ◽  
Full Immunity

Exposure to low doses of pathogens that do not result in the host becoming infectious may ‘prime’ the immune response and increase protection to subsequent challenge. There is increasing evidence that such immune priming is a widespread and important feature of invertebrate host–pathogen interactions. Immune priming clearly has implications for individual hosts but will also have population-level implications. We present a susceptible–primed–infectious model—in contrast to the classic susceptible–infectious–recovered framework—to investigate the impacts of immune priming on pathogen persistence and population stability. We describe impacts of immune priming on the epidemiology of the disease in both constant and seasonal environments. A key result is that immune priming may act to destabilize population dynamics. In particular, when the proportion of individuals becoming primed rather than infected is high, but this priming does not confer full immunity, the population may be strongly destabilized through the generation of limit cycles. We discuss the implications of our model both in the context of invertebrate immunity and more widely.

scholarly journals Adding hepatoprotective plants to beverage water: an alternative to conventional drugs for broiler production

2020 ◽  
Vol 14 (6) ◽  
pp. 1928-1940
Author(s):  
Dieudonné Pascal Chuisseu Djamen ◽  
Roland Nankam Chimi ◽  
Arouna Njayou Ngapagna ◽  
Leonard Tedong ◽  
François-Marie Kanmangne ◽  
...  
Keyword(s):  
Immune Response ◽  
Growth Parameters ◽  
Blood Parameters ◽  
Average Weight ◽  
Broiler Chicks ◽  
Humoral Immune ◽  
Growth Performances ◽  
Bursal Disease ◽  
Consumption Index ◽  
Kinetics Of

The present work was to study the effects of Desmoduin adscendens, Khaya grandifoliola, Xylopia phloiodora extracts on growth parameters and selected blood parameters of broilers chickens. A total of 252 broiler chicks were randomly distributed into 4 groups. Chickens of control batch received commercial hepatoprotective (Hepaturyl 1 g/l) and the experimental groups received a formulation based on 3 extracts hepatoprotective plants at a concentration of 200, 100 and 50 mg/kg body weight. The mortality rate of control and experimental groups was 6.3% and 4.7% respectively. Average weight of batches at day 48 was, 2.6 for the control, 2.7 for the batch 2, 2.6 batch 3 and 2.5 kg batch 4 with an average consumption index ranging from 1.6 for the control and 1.7 for the experimental groups. Liver function in broilers was not altered (The values of alanine aminotransferase and aspartate aminotransferase were 5-25 IU/l and 50-350 IU/l respectively). Cholesterolemia, proteinemia and the triglyceridemia increased with the age of the animals (0.6- 4.1 mmol / l; 21-83 g / l; 0.3- 3.8 g / l respectively). The kinetics of the humoral immune response against infectious bursal disease was not influenced. This work has shown that the use of the formulation as hepatoprotective in chick drinking water shows results similar to those of commercial hepatoprotectors.Keywords: Broilers, hepatoprotective plants, hepatic functioning, growth performances, immune response

scholarly journals EFFECT OF VITAMIN E AND COD LIVER OIL SUPPLEMENT WITH BIVALENT OIL BASED VACCINE OF NEWCASTLE DISEASE AND INFECTIOUS BRONCHITIS DISEASE ON IMMUNE RESPONSE OF THE BROILERS.

2016 ◽  
Vol 47 (3) ◽  
Author(s):  
ABDULWAHID & et al.
Keyword(s):  
Immune Response ◽  
Vitamin E ◽  
Newcastle Disease ◽  
Challenge Test ◽  
Elisa Test ◽  
The Other ◽  
Control Group ◽  
Broiler Chicks ◽  
Cod Liver Oil ◽  
Infectious Bronchitis

This study was aimed to enhance the immune response of the broilers by vitamin E and Cod liver oil supplement with locally inactivated bivalent vaccine of Newcastle disease and Infectious bronchitis viruses. One hundred and twenty broiler chicks Ross 308 were divided to four groups at 30 chicks of each group. The 2nd group was vaccinated with 0.5ml/chick of locally inactivated ND-IB vaccine at 5 days old. The 3rd group was vaccinated with 0.5ml locally ND-IB vaccine and 0.1 ml/chick of VE. The 4th group was vaccinated with 0.5ml of locally ND-IB vaccine and 0.1ml/chick of Cod liver oil, while the first group was left without vaccination as a control group. All groups were vaccinated with attenuated ND-IB at 3 days old and attenuated IBD at 14 days old. The results of ELISA test revealed that the 3rd and 4th groups showed significantly increased (P≤0.05) in Ab titers against ND virus at aged 35 days, also, the 4th group showed significantly (P≤0.05) increased in Ab titers against IB virus at day 35 of age as compared with the other groups. The 4th group showed a significant (P≤0.05) increased in bursal index as compared with the other groups. The results of challenge test revealed that vaccinated groups resist the velogenic ND and IB viruses with relatively high productive range particularly the 4th group as compared with other groups. In conclusion, the VE and Cod liver oil supplement with local bivalent oil based vaccine of ND and IBV may enhance the immune response of the broilers particularly the 4th group which vaccinated with 0.5 ml of local bivalent oil based vaccine of ND-IB vaccine and 0.1 ml Cod liver oil.

scholarly journals Neonatal treatment with low doses of anti-idiotypic antibody leads to the expression of a silent clone.

1981 ◽  
Vol 153 (4) ◽  
pp. 1004-1008 ◽  
Author(s):  
J Hiernaux ◽  
C Bona ◽  
P J Baker
Keyword(s):  
Immune Response ◽  
Low Doses ◽  
Newborn Mice ◽  
Myeloma Protein ◽  
Neonatal Treatment ◽  
Beta 2 ◽  
Idiotypic Antibody

BALB/c mice immunized with bacterial levan (BL) produce an immune response that fails to generate antibody expressing the idiotype (Id) of the beta (2 leads to 6) fructosan-binding myeloma protein ABPC 48 (A48). Pretreatment of newborn BALB/c mice (at 1 d of age) with 0.01-10 microgram of affinity purified BALB/c anti-A48 Id antibody followed by immunization with BL 1-2 mo later produces an anti-BL response that expresses the A48 Id. This shows that A48 Id+ anti-BL clones belong to a normally silent fraction of the anti-BL repertoire. The activation of A48 Id+ anti-BL clones anti-A48 Id antibody is specific because the pretreatment of newborn mice with anti-MOPC 384 Id antibody, followed by immunization with BL, does not lead to its activation. Moreover, pretreatment of mice with anti-A48 Id antibody does not alter the MOPC 460 Id+ component of the anti-TNP response. It is also important to note that the activation of the A48 Id+ clone in pretreated mice requires subsequent immunization with BL.

scholarly journals Evaluation of blood chemical, lipids profile and immune response on broiler chicks fed with milk thistle (Silybum mari- anum L.) and thyme (Thymus vulgaris L.) seeds in south-eastern Iran

2014 ◽  
Vol 5 (1) ◽  
Author(s):  
Hossein Ansari Nik ◽  
Omid Fani Makki ◽  
Ahmad Ebrahimzadeh ◽  
Arash Omidi
Keyword(s):  
Immune Response ◽  
Total Protein ◽  
Control Diet ◽  
Density Lipoprotein ◽  
Basal Diet ◽  
Lipoprotein Cholesterol ◽  
Thymus Vulgaris ◽  
Milk Thistle ◽  
Broiler Chicks ◽  
Lipids Profile

This study was conducted to investigate the effects of supplementation of milk thistle seeds (MTS) and thyme seeds (TS) on blood chemical, lipid profile and immune response in broiler chicks. In this study, 160 one-day-old chicks (Ross 308) were allocated to four treatments with four replicates based on a completely randomized design in a 2×2 factorial arrangement. The treatment groups were (A) basal control diet, (B) basal diet with 0.2 g/kg of MTS, (C) basal diet with 0.2 g/kg of TS and (D) basal diet with 0.2 g/kg of MTS and 0.2 g/kg of TS. Birds fed the (D) supplemented treatment (MTS plus TS) had the greatest levels of total protein, 4.26±0.27 g/L; albumin, 2.21±0.02 g/L; globulin 2.28±0.23 g/L; and aspartate aminotransferase (AST) activity, 152.18±4.46 U/L than the control birds [group (A)] (P<0.05). MTS alone or in combination with TS reduced the cholesterol in the serum of the broilers (P<0.05), and this effect was more pronounced for the (C) treatment (TS alone) (P<0.05). Treatment consumption with MTS plus TS [group (D)] significantly increased the concentration of high-density lipoprotein cholesterol (HDL-C), 90.32±2.28 mmol/L, but low-density lipoprotein cholesterol (LDL-C), 10.44±0.07 mmol/L, and triglyceride concentrations, 60.75±2.65 mmol/L, were decreased compared to control (P<0.05). However, none of the immunity parameters and liver enzymes differed significantly in MTS or TS groups. The present research indicated that supplements of MTS and TS have a protective influence on the lipids profile, total protein, globulin, albumin and AST levels in broiler chicks.

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