scholarly journals Histopathology of Internal Organs of Farm Animals Fed Genetically Modified Corn and Soybean Meal

2012 ◽  
Vol 56 (4) ◽  
pp. 617-622 ◽  
Author(s):  
Michał Reichert ◽  
Wojciech Kozaczyński ◽  
Teresa Agnieszka Karpińska ◽  
Łukasz Bocian ◽  
Agnieszka Jasik ◽  
...  
Keyword(s):  
Soybean Meal ◽  
Broiler Chickens ◽  
Histopathological Examination ◽  
Genetically Modified ◽  
Bursa Of Fabricius ◽  
Farm Animals ◽  
Internal Organs ◽  
Roundup Ready ◽  
Fattening Pigs ◽  
Mon 810

Abstract Histopathological examination of liver, kidney, spleen, pancreas, duodenum, jejunum, skeletal muscle, and bursa of Fabricius samples, collected from broiler chickens, laying hens, fattening pigs, and calves fed genetically modified corn MON 810 and soybean meal MON-40-3-2 (Roundup Ready, RR), was performed The examination showed no significant differences between the control animals fed diets containing no genetically modified feeds and animals fed genetically modified feeds. In some cases, congestion of parenchyma and focal lymphoid cell infiltrations were observed in all dietary groups, including controls, and therefore, it was assumed that the lesions were not associated with the feeding transgenic feeds.

scholarly journals Rearing broiler chickens under monochromatic blue light improve performance and reduce fear and stress during pre-slaughter handling and transportation

2014 ◽  
Vol 30 (3) ◽  
pp. 457-471 ◽  
Author(s):  
R.A. Mohamed ◽  
M.M. Eltholth ◽  
N.R. El-Saidy
Keyword(s):  
Body Weight ◽  
Blue Light ◽  
Broiler Chickens ◽  
Monochromatic Light ◽  
Bursa Of Fabricius ◽  
Broiler Chicks ◽  
Internal Organs ◽  
Good Tool ◽  
Final Body Weight ◽  
Before And After

The aim of this study was to evaluate the effect of monochromatic light on broiler performance, fear and stress response during pre-slaughter handling and transportation. Two thousand unsexed one-day old Cobb broiler chicks were used. At day 34, two hundreds broilers of similar live body weight were selected and divided into two equal groups (2 group x 5 replicates). Broilers were reared under white light (WL) from 0-34 day. From 35 to 49 day, the first group was reared under WL and the second group under blue light (BL). Final body weight (FBW), tonic immobility reactions (TI), respiratory rate (RR), heterophils to lymphocytes (H/L) ratio and interlukien-1? (IL-1?) were estimated at day 49 before and after transportation. After transportation, weight of internal organs (liver, spleen, heart and bursa of fabricius) as a percentage of FBW was calculated. Results showed that there was a significant (P<0.05) increase in FBW and reduced weight loss due to transportation in broilers reared under BL. In broilers reared under BL: TI duration, RR, H/L ratio, IL-1? and weight of internal organs (except the heart) were significantly (P < 0.05) lower. The interaction effect of light and transportation on TI duration, RR, lymphocytes, H/L ratio and IL-1? were significant (P < 0.05). Therefore, it is suggested that BL may be a good tool for improving welfare and mitigating stress not only in pre-slaughter handling but also during transportation of broilers.

scholarly journals The influence of genetically modified Bt maize MON 810 in feed mixtures on slaughter, haematological and biochemical indices of broiler chickens

2009 ◽  
Vol 18 (3) ◽  
pp. 490-498 ◽  
Author(s):  
V. Řehout ◽  
J. Kadlec ◽  
J. Čítek ◽  
E. Hradecká ◽  
L. Hanusová ◽  
...  
Keyword(s):  
Broiler Chickens ◽  
Genetically Modified ◽  
Bt Maize ◽  
Biochemical Indices ◽  
Mon 810

Avian leukosis virus subgroup J-associated myelocytoma in a hobby chicken

2017 ◽  
Vol 182 (1) ◽  
pp. 23-23 ◽  
Author(s):  
Lorraine P Smith ◽  
Lawrence Petheridge ◽  
Venugopal Nair ◽  
Alisdair Wood ◽  
David Welchman
Keyword(s):  
Broiler Chickens ◽  
Histopathological Examination ◽  
Health Agency ◽  
Internal Organs ◽  
Broiler Breeder ◽  
Source Of Infection ◽  
History Of ◽  
The Uk ◽  
First Time ◽  
Avian Leukosis Virus Subgroup

The avian leukosis viruses (ALVs) are a major group of retroviruses associated with neoplastic diseases in poultry. The ALV-J strain was identified as a cause of myelocytomas in broiler breeder and broiler chickens in the UK in the 1980s; however, following eradication of the virus,commercial broilers have remained free of infection since the early 2000s. A pet chicken was submitted to Animal and Plant Health Agency (APHA) in 2013 with a history of croaking respirations, abnormality of the left eye and apparent paralysis. Postmortem examination of the bird showed widespread tumour-like infiltration of many organs, including the pectoral muscles, internal organs, sternum and ribs. Histopathological examination of the affected tissues revealed myelocytoma formation typical of the lesions associated with ALV-J, and the virus was confirmed by PCR testing and sequencing. Virus was not detected in blood samples in the other five chickens remaining in the flock. The source of infection was not established. This was the first time ALV-J had been seen in the UK since its eradicationand the case highlights the importance of continued surveillance of backyard and hobby chickens to detect potential new and re-emerging disease threats, such as ALV-J, which may be of significance to the wider poultry population.

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