Results 11 to 20 of about 356,015 (342)

Welfare of broilers on farm [PDF]

EFSA Journal, 2023
This Scientific Opinion considers the welfare of domestic fowl (Gallus gallus) related to the production of meat (broilers) and includes the keeping of day-old chicks, broiler breeders, and broiler chickens. Currently used husbandry systems in the EU are described. Overall, 19 highly relevant welfare consequences (WCs) were identified based on severity,
EFSA AHAW Panel,, Nielsen, Søren Saxmose, Alvarez, Julio, Bicout, Dominique Joseph, Calistri, Paolo, Canali, Elisabetta, Drewe, Julian Ashley, Garin-Bastuji, Bruno, Gonzales Rojas, Jose Luis, Schmidt, Christian Gortázar, Herskin, Mette S, Miranda Chueca, Miguel Ángel, Padalino, Barbara, Pasquali, Paolo, Roberts, Helen Clare, Spoolder, Hans, Stahl, Karl, Velarde, Antonio, Viltrop, Arvo, Winckler, Christoph, Tiemann, Inga, de Jong, Ingrid, Gebhardt-Henrich, Sabine Gabriele, Keeling, Linda, Riber, Anja Brinch, Ashe, Sean, Candiani, Denis, García Matas, Raquel, Hempen, Michaela, Mosbach-Schulz, Olaf, Rojo Gimeno, Cristina, Van der Stede, Yves, Vitali, Marika, Bailly-Caumette, Eléa, Michel, Virginie   +34 more
openaire   +8 more sources

Spirochaetosis in broilers [PDF]

Avian Pathology, 1992
One-day-old broilers were inoculated with spirochaetes (isolate 1380); the inocula consisting either of spirochaetes derived from plate culture or from intestinal homogenates of previously infected birds. After 13 to 15, and 21 days after inoculation growth was depressed, serum concentrations of protein lipid, carotenoids and bilirubin were decreased ...
F. G. Davelaar, R. M. Dwars, H. F. Smit
openaire   +3 more sources

Assessment of Heavy Metals Contamination and Antimicrobial Drugs Residue in Broiler Edible Tissues in Bangladesh

Antibiotics, 2023
There are substantial public health consequences when hazardous heavy metal contaminants and antimicrobial drug residues are present in broiler edible tissues.
Shaikh Mohammad Bokhtiar, Mohammad Rafiqul Islam, Md. Jisan Ahmed, Abdur Rahman, Kazi Rafiq   +4 more
doaj   +1 more source

THE TYPOLOGY OF BROILER HOUSE AND THE IMPACT IN THE LOCOMOTION OF BROILERS [PDF]

Engenharia Agrícola, 2018
ABSTRACT The large majority of broiler houses use two types of systems: dark-house system - DHP, and tunnel with curtain system - ATC. The objective of the present study was to evaluate the association and the prevalence of locomotion issues in the broiler commercial farming systems (DHP and ATC).
Garcia, Rodrigo G., Lima, Nilsa D. da S., Naas, Irenilza de A., Caldara, Fabiana R., Sgavioli, Sarah   +4 more
openaire   +5 more sources

Pendulous Crop in Broilers [PDF]

Revista Brasileira de Ciência Avícola, 2015
ABSTRACTPendulous crop is a physiological disorder, which etiology is still unknown and it is characterized by abnormal dilation of the crop of poultry. This article aims at reporting a case of high incidence of pendulous crop in male and female broilers Cobb 500, as well as to discuss its possible causes and consequences.
Ebling, PD, Pontalti, GC, Villanueva, AP, Ribeiro, AML   +3 more
openaire   +5 more sources

Effects of Methionine-Supplemented Low-Protein Diets on Production Efficiency, Heat Resilience, and Welfare of Broilers in Tropical Climates. [PDF]

Vet Med Sci
Methionine supplementation increased feed intake, reduced abdominal fat and total cholesterol levels, and improved physiological parameters in broilers. Thus, methionine supplementation to a low‐protein feed improves production efficiency, heat resilience, and meat quality in broilers reared in hot, humid conditions.
Songuine T, Feteke L, Kpomasse CC, Yarkoa T, Parobali T, Karou SD, Pitala W.   +6 more
europepmc   +2 more sources

The Influence of Ethanolic Extract of Hypericum Perforatum (St. John's wort) on Growth Performance, Serum Metabolites, Fat Deposition, Immunity, and Lipid Peroxidation in Broiler Chickens. [PDF]

Vet Med Sci
ABSTRACT Background Having bioactive components such as hypericin, hyperforin and quercetin has enabled Hypericum perforatum (HP) to show antioxidant, antiviral and hypocholesterolemic effects in different animal species. Objectives This study aimed to investigate the effects of different levels of Hypericum perforatum extract (HPE) additions on ...
Behroozilak MA, Moftakharzadeh SA, Behroozlak M, Vahedi V, Bakhshalizadeh S.   +4 more
europepmc   +2 more sources

Welfare of broiler chickens [PDF]

Italian Journal of Animal Science, 2009
Broiler chickens have been selected for their rapid growth rate as well as for high carcass yields, with particular regard to the breast, and reared in intensive systems at high stocking density ranging from 30 to 40 kg live weight/m2. These conditions lead to a worsening of the welfare status of birds. In Europe a specific directive for the protection
MELUZZI, ADELE, SIRRI, FEDERICO
openaire   +5 more sources

Response of modern broiler chickens to dietary calcium and phosphorus levels below recommendations

Italian Journal of Animal Science, 2020
This study was carried out to investigate the effects of reduced dietary calcium (Ca) and non-phytate-phosphorus (NPP) levels on performance, carcase yield and bone mineralisation of modern broilers. 11,200 one-day-old chicks (Ross-308) were divided into
Necmettin Ceylan, Sait Koca, İsmail Yavaş, Anıl Çenesiz, Nejla Kahraman, Şevket Özlü   +5 more
doaj   +1 more source

Heat Stress Causes Immune Abnormalities via Massive Damage to Effect Proliferation and Differentiation of Lymphocytes in Broiler Chickens

Frontiers in Veterinary Science, 2020
Broiler chickens are highly sensitive to high ambient temperatures due to their feathers, lack of skin sweat glands, and high productivity. Heat stress (HS) is a major concern for the poultry industry because it negatively affects growth as well as ...
R. Hirakawa, S. Nurjanah, Kyohei Furukawa, A. Murai, M. Kikusato, T. Nochi, M. Toyomizu   +6 more
semanticscholar   +1 more source