Broiler breeder behavior and egg production as function of environmental temperature

Pereira, Danilo Florentino; Nääs, Irenilza de Alencar; Romanini, Carlos Eduardo Bites; Salgado, Douglas D’Alessandro; Pereira, Gracely Ortega Tavares

doi:10.1590/s1516-635x2007000100002

Cited by 11 publications

(5 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Slatted flooring might offer almost no possibilities for the birds to peck and manipulate particles when no litter particles are available on the ground, therefore, feed pecking occurs rather than pecking at the slatted floor [ 41 ] resulting in higher feed intake. Pereira et al [ 42 ] observed in the slatted flooring system that there was air movement in the plenum between the manure and the perforated floor, and increased air movement can reduce heat stress in broilers. Heat stress negatively affects the welfare and productivity of broilers [ 43 ].…”

Section: Discussionmentioning

confidence: 99%

Effect of Different Flooring Designs on the Performance and Foot Pad Health in Broilers and Turkeys

Chuppava

Visscher

Kamphues

2018

Animals

View full text Add to dashboard Cite

Simple SummaryThe contact of the birds’ feet with litter and their excreta during the fattening period might lead to reduced body weight, carcass weight, feed intake, and impaired foot pad health in poultry. This study was performed to evaluate the influence of different flooring designs with reduced (50% or 100% slatted floors) contact to the excreta on the above-mentioned parameters in the fattening of broilers and turkeys. The provision of litter on the floor had no relevant effect on foot pad health in broilers. Using fully-slatted flooring in fattening turkeys led to a higher body weight, while reducing incidence of injuries of foot pads. It is, therefore, necessary to consider how a similar excellent litter quality can be achieved in basically littered husbandry systems common in Europe.AbstractLitter quality has a significant influence on the performance and foot pad health in poultry. The objective of this study was to evaluate the effects of different types of flooring designs on the performance and foot pad health in fattening broilers and turkeys. Three trials were conducted for each species using a total of 720 Ross 308 broilers and 720 Big 6 turkeys. After day seven, animals were randomly assigned to four groups with three subgroups each: G1—floor pens with litter, G2—floor pens with litter and floor heating, G3—partially-slatted flooring, including a littered area, and G4—fully-slatted flooring with a sand bath (900 cm2). Animals of both species had a significantly higher final body weight at dissection (day 36) after being reared on fully-slatted floors compared to common littered floors. In turkeys, the feed conversion ratio was worse in G4 (1.53 ± 0.04) than in G1 (1.47 ± 0.02) and G2 (1.48 ± 0.03). Water to feed ratio was significantly higher in G2 than other groups. Turkeys’ foot pad health was significantly better in G4 than in other groups beginning at day 21. In turkeys, platforms with slatted floors that allow for temporary separation of the feet from the litter could lead to improvements in foot pad health which could better enable the realization of species-specific behaviours and activities in littered areas.

show abstract

Section: Discussionmentioning

confidence: 99%

Effect of Different Flooring Designs on the Performance and Foot Pad Health in Broilers and Turkeys

Chuppava

Visscher

Kamphues

2018

Animals

View full text Add to dashboard Cite

show abstract

“…A transição do ano entre o inverno e primavera apresentou valores menores que trazem conforto às aves poedeiras tanto na parte da manhã (22,91) como na parte tarde (30,21). É de suma importância o conhecimento do microclima onde as aves ficam alojadas, segundo Dawkins (1999) e Ferrante et al (2001) o ambiente influencia fortemente no comportamento das aves, desta forma é possível identificar, quantificar e caracterizar as condições de conforto térmico e bem-estar (PEREIRA et al, 2007). Sainsbury (1971), Yousef (1985), Medeiros (2001) e Damasceno (2010) mostram que a faixa de temperatura de bulbo seco, umidade relativa e velocidade do vento devem ficar entre 21ºC e 27ºC; 50% e 70% e 0,5 ms -1 e 1,5 ms -1 para que as aves resultem em melhor desempenho animal, e os resultados verificados no estudo (Tabela 1) mostram que em todas as transições das estações do ano mantiveram os valores de conforto recomendados para as variáveis bioclimáticas avaliadas.…”

Section: Resultsunclassified

Mapeamento De Contorno Bioclimático Em Aviário De Região Tropical Na Cidade De Dracena/Sp

2018

View full text Add to dashboard Cite

O ambiente dentro dos galpões avícolas é um dos fatores primordiais para se conseguir bons índices zootécnicos e retornos financeiros. Assim, o objetivo deste estudo foi avaliar o ambiente térmico no interior do galpão de aves poedeiras em diferentes estações do ano na tentativa de proporcionar uma melhor relação ao bem-estar das aves. O estudo foi realizado no galpão de aves poedeiras na UNESP - campus de Dracena/SP. Foram distribuídos e aferidos em doze pontos equidistantes as principais variáveis bioclimáticas, como temperatura de globo negro, temperatura do ar, temperatura de bulbo seco, temperatura de bulbo úmido, temperatura de superfície de telhado, umidade relativa do ar e velocidade do vento. As medições foram feitas nas transições entre as estações do inverno e primavera, primavera e verão e verão e outono, com o intuito de observar qual é a melhor estação do ano em que as aves apresentam um melhor conforto térmico dentro das instalações avícolas. As médias das variáveis bioclimáticas foram comparadas utilizando o teste estatístico Tukey (95%) através do software Statigrafics Centurion, e o software de superfície SURFER para o mapeamento do aviário. Os resultados indicaram que a transição entre inverno e primavera apresentou melhores valores com relação ao conforto térmico dentro do galpão, possibilitando um melhor bem-estar das aves e consequentemente melhor desempenho e retorno financeiro.PALAVRAS-CHAVES: Ambiência, Aquecimento Global, Ondas De Calor, Zootecnia De Precisão. MAPPING BIOCLIMATIC CONTOUR OF A POULTRY SHED IN A TROPICAL REGION IN THE CITY OF DRACENA/SPABSTRACT: The environment inside poultry houses is one of the main factors to achieve good zootechnical indexes and financial returns. Thus, the objective of this study was to evaluate the thermal environment inside the shed of laying hens in different seasons of the year in an attempt to provide a better relation to the welfare of birds. The study was carried out in the poultry shed at UNESP campus in Dracena / SP. The main bioclimatic variables, such as black globe temperature, air temperature, dry bulb temperature, wet bulb temperature, roof surface temperature, relative air humidity and wind speed were distributed and measured at twelve equidistant points. The measurements were taken at the transition between the seasons of winter and spring, spring and summer and summer and fall, in order to obtain the best season of the year in which the birds can obtain better thermal comfort inside the poultry facilities. The averages of the bioclimatic variables were compared using the Tukey statistical test (95%) using the Statigrafics Centurion software, where the SURFER surface software was used to map the aviary. The results indicated that the transition between winter and spring presented better values with respect to thermal comfort inside the shed, allowing a better welfare of the birds and consequently better performance and financial return.KEYWORDS: Environment, Global Warming, Heatwaves, Precision Poultry Production.

show abstract

“…Slatted flooring would possibly offer almost no possibilities for the birds to forage (peck and manipulate particles) when no litter particles are available on the floor; therefore, feed pecking is preferable to pecking at the slatted floor ( de Almeida et al , 2017 ) resulting in better feed consumption. Pereira et al (2007 ) found that in the slatted flooring device, there was air motion inside the plenum among the manure and the perforated floor, and the increased air motion reduced heat stress in birds (subsequently improving the FI) which negatively impacts the welfare and performance of broilers ( Lara and Rostagno, 2013 ). The higher mortality rate on slatted floors may be related to bad immune status, lower walking behavior, and severe FPD recorded in this group.…”

Section: Discussionmentioning

confidence: 99%

Slatted floor reduces the welfare and increases the foot pad dermatitis and growth performance of Turkeys under Egyptian conditions

Balabel,

Enein,

Eldeen

et al. 2024

Open Vet J

View full text Add to dashboard Cite

Background: When turkeys’ legs come in contact with their dropping during the growing stage results in footpad dermatitis condition which affects the poult's welfare and productivity. Aim: Our experiment aimed to detect the impact of different bedding materials on the wellbeing, and performance of growing turkey under Egyptian conditions. Methods: 180-day-old turkey poults were allocated into three treatments. In treatment I, the poults (60 each with three replicates (n = 20 birds) were kept on wood shavings (WS); in the second treatment, the poults were housed on chopped wheat straw (CWS). But, in the third treatment, they kept on a plastic slatted floor (PSF). Results: The greater feed intake and body weight were recorded in poults reared in PSF compared with those kept in other treatments (WS and CWS). FCR didn’t show any significant difference. The mortality percentage was higher in the PSF group than in the WS one. The frequency of feeding and drinking behavior was higher in poults reared on WS treatment compared with other treatments CWS and PSF. On the other hand, resting behavior showed the highest frequency in poults kept in PSF. Contrary, the lowest frequency of walking behavior was recorded in poults reared in PSF treatment. Additionally, the poults kept in WS had a longer tonic immobility reaction period followed by those kept in PSF and CWS. Concerning foot-pad dermatitis, the highest score of 0 was observed in the CWS group, while the highest score of 1 was recorded among poults kept in the WS group. On the other side, the highest score 2, 3, and 4 was observed in the poults reared in the PSF group. Heterophil/Lymphocyte (H/L) ratio of turkey poults was higher in PSF. While T3 and T4 concentrations in blood weren’t affected by using different bedding materials. Conclusion: It is concluded that the slatted floor was good for turkey producers from the point of performance but, it’s the worst from the point of welfare.

show abstract

Broiler breeder behavior and egg production as function of environmental temperature

Cited by 11 publications

References 17 publications

Effect of Different Flooring Designs on the Performance and Foot Pad Health in Broilers and Turkeys

Effect of Different Flooring Designs on the Performance and Foot Pad Health in Broilers and Turkeys

Mapeamento De Contorno Bioclimático Em Aviário De Região Tropical Na Cidade De Dracena/Sp

Slatted floor reduces the welfare and increases the foot pad dermatitis and growth performance of Turkeys under Egyptian conditions

Contact Info

Product

Resources

About