Effect of free-range access, shelter type and weather conditions on free-range use and welfare of slow-growing broiler chickens

2017 ◽  
Vol 192 ◽  
pp. 15-23 ◽  
Author(s):  
Lisanne M. Stadig ◽  
T. Bas Rodenburg ◽  
Bart Ampe ◽  
Bert Reubens ◽  
Frank A.M. Tuyttens
Keyword(s):  
Broiler Chickens ◽  
Weather Conditions ◽  
Range Use ◽  
Free Range ◽  
Slow Growing

scholarly journals Effects of shelter type, early environmental enrichment and weather conditions on free-range behaviour of slow-growing broiler chickens

animal ◽  
2017 ◽  
Vol 11 (6) ◽  
pp. 1046-1053 ◽  
Author(s):  
L.M. Stadig ◽  
T.B. Rodenburg ◽  
B. Ampe ◽  
B. Reubens ◽  
F.A.M. Tuyttens
Keyword(s):  
Broiler Chickens ◽  
Environmental Enrichment ◽  
Weather Conditions ◽  
Free Range ◽  
Slow Growing

scholarly journals The effect of fattening duration in different rearing systems on slaughter traits of broiler chickens of genotype Redbro

2007 ◽  
Vol 23 (3-4) ◽  
pp. 67-74 ◽  
Author(s):  
Zdenka Skrbic ◽  
Z. Pavlovski ◽  
M. Lukic
Keyword(s):  
Body Mass ◽  
Broiler Chickens ◽  
Considerable Effect ◽  
Abdominal Fat ◽  
Lower Body ◽  
Free Range ◽  
Two Systems ◽  
Fattening Period ◽  
Slow Growing

Slow growing chickens of genotype Redbro, were reared in two systems in order to determine the effect of duration of fattening on values of slaughter yields/dressing percentages and shares of main carcass parts. Fattening of chickens in chicken coop to age of 84 days had considerable effect on increase of slaughter yields: "Conventional processing"(83.59%), "Ready to roast"(77.22%) and "Ready to grill"(67.17%) compared to 42nd day of age (82.21; 74.87 and 65.42%). Redbro chickens reared on free range had lower body masses compared to chickens reared from chicken coops in all investigated ages. Beside significant increase of body mass, longer fattening period influenced considerably decrease of share of back, pelvic and wings. In both rearing systems, prolonging of fattening had statistically significant effect on increase of share of abdominal fat. .

scholarly journals Effects of dark brooders and overhangs on free-range use and behaviour of slow-growing broilers

animal ◽  
2018 ◽  
Vol 12 (8) ◽  
pp. 1621-1630 ◽  
Author(s):  
L.M. Stadig ◽  
T.B. Rodenburg ◽  
B. Reubens ◽  
B. Ampe ◽  
F.A.M. Tuyttens
Keyword(s):  
Range Use ◽  
Free Range ◽  
Slow Growing

scholarly journals Effects of free-range access on production parameters and meat quality, composition and taste in slow-growing broiler chickens

2016 ◽  
Vol 95 (12) ◽  
pp. 2971-2978 ◽  
Author(s):  
Lisanne M. Stadig ◽  
T. Bas Rodenburg ◽  
Bert Reubens ◽  
Johan Aerts ◽  
Barbara Duquenne ◽  
...  
Keyword(s):  
Meat Quality ◽  
Broiler Chickens ◽  
Free Range ◽  
Production Parameters ◽  
Slow Growing

scholarly journals Effects of sex and genotype on performance and yield characteristics of free range broiler chickens

2013 ◽  
Vol 65 (5) ◽  
pp. 1483-1490 ◽  
Author(s):  
C.C. Del Castilho ◽  
T.T Santos ◽  
C.A.F. Rodrigues ◽  
R.A. Torres Filho
Keyword(s):  
Weight Gain ◽  
Experimental Design ◽  
Soybean Meal ◽  
Broiler Chickens ◽  
Production Systems ◽  
Feed Conversion ◽  
Free Range ◽  
Feeding Program ◽  
Slow Growing ◽  
Better Than

The purpose of this work was to evaluate the effect of genotype and sex on the performance characteristics (weight gain, feed conversion and livability) and yields (carcass, breast and legs) of six free-range genotypes: Pesadão Vermelho (GEN1), Carijó (GEN2), Pescoço Pelado 1 (GEN3), Pescoço Pelado 2 (GEN4), Pescoço Pelado 3 (GEN5) and Pescoço Pelado 4 (GEN6). A total of 1584 sexed one day old chicks (792 males and 792 females) were housed in 48 pens, 33 birds per pen. The experimental design was a completely randomized factorial 2 x 6 (six genotypes and two sexes) design, with four replicates each. Diets were based on corn and soybean meal (no animal protein) provided in a feeding program in four phases: pre-starter (1 to 21 days), starter (22 to 42 days), growth (43 to 77 days) and finisher (78 to 91 days). Feed intake, feed conversion and livability were measured at 21, 42, 77 and 91 days of age. There was no genotype x sex interaction. The effect of sex was observed in all ages regarding weight gain, feed conversion (except at 21 days) and yields. For all these characteristics, males performed better than females, except in breast yield, which was higher in females. For the livability and feed conversion at 21 days no effect of sex was found. The effect of genotype was observed only in carcass and breast yields. The fast (GEN1) and intermediate (GEN2, GEN5 and GEN6) growing genotypes showed higher weight gain than the slow growing genotypes (GEN4 and GEN3). Carcass and breast yields of naked neck genotypes (GEN3, GEN4, GEN5 and GEN6) did not differ among themselves, and were higher than the Carijó genotype (GEN2) and are therefore recommended for production systems that sell industrialized birds.

scholarly journals Working for food is related to range use in free-range broiler chickens

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Vitor Hugo Bessa Ferreira ◽  
Arthur Simoni ◽  
Karine Germain ◽  
Christine Leterrier ◽  
Léa Lansade ◽  
...  
Keyword(s):  
Individual Differences ◽  
Home Environment ◽  
Broiler Chickens ◽  
Gallus Domesticus ◽  
The Other ◽  
Gallus Gallus Domesticus ◽  
Individual Motivation ◽  
Range Use ◽  
Free Range ◽  
The Individual

AbstractWhen animals prefer to make efforts to obtain food instead of acquiring it from freely available sources, they exhibit what is called contrafreeloading. Recently, individual differences in behavior, such as exploration, were shown to be linked to how prone an individual may be to contrafreeload. In this work, our main objective was to test whether and how individual differences in range use of free-range broiler chickens (Gallus gallus domesticus) were related to the individual motivation to contrafreeload. We also verified whether other behavioral variations could relate to range use. To that aim, over three different periods (before range access, first weeks of range access, and last weeks of range access), chickens with different ranging levels (low and high rangers) were submitted to a contrafreeloading test and had different behaviors recorded (such as foraging, resting, locomotion) in their home environment. During the contrafreeloading test, chickens were conditioned to one chamber presenting a foraging substrate and mealworms, while in the other chamber, mealworms were freely available on the floor. During testing trials, chickens had access to both empty chambers, and the time spent in each chamber was quantified. On average, low rangers preferred the chamber where mealworms were easily accessible (without the foraging substrate), while high rangers preferred the chamber where mealworms were accessible with difficulty, showing greater contrafreeloading. Out of ten behaviors recorded in chickens' home environment, foraging was the only one that differed significantly between our two ranging groups, with low rangers foraging, on average, significantly less than high rangers. These results corroborate previous experiences suggesting that range use is probably linked to chickens' exploratory trait and suggest that individual differences in free-range broiler chickens are present even before range access. Increasing our knowledge of individual particularities is a necessary step to improve free-range chicken welfare on the farm.

scholarly journals Impact of On-Farm Interventions against CTX-Resistant Escherichia coli on the Contamination of Carcasses before and during an Experimental Slaughter

Antibiotics ◽  
2021 ◽  
Vol 10 (3) ◽  
pp. 228
Author(s):  
Michaela Projahn ◽  
Jana Sachsenroeder ◽  
Guido Correia-Carreira ◽  
Evelyne Becker ◽  
Annett Martin ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Broiler Chickens ◽  
Stocking Density ◽  
Resistant Bacteria ◽  
Control Group ◽  
Cross Contamination ◽  
High Prevalence ◽  
On Farm ◽  
The Impact ◽  
Slow Growing

Cefotaxime (CTX)-resistant Enterobacteriaceae are still an ongoing challenge in human and veterinary health. High prevalence of these resistant bacteria is detected in broiler chickens and the prevention of their dissemination along the production pyramid is of major concern. The impact of certain on-farm interventions on the external bacterial contamination of broiler chickens, as well as their influence on single processing steps and (cross-) contamination, have not yet been evaluated. Therefore, we investigated breast skin swab samples of broiler chickens before and during slaughter at an experimental slaughter facility. Broiler chickens were previously challenged with CTX-resistant Escherichia coli strains in a seeder-bird model and subjected to none (control group (CG)) or four different on-farm interventions: drinking water supplementation based on organic acids (DW), slow growing breed Rowan × Ranger (RR), reduced stocking density (25 kg/sqm) and competitive exclusion with Enterobacteriales strain IHIT36098(CE). Chickens of RR, 25 kg/sqm, and CE showed significant reductions of the external contamination compared to CG. The evaluation of a visual scoring system indicated that wet and dirty broiler chickens are more likely a vehicle for the dissemination of CTX-resistant and total Enterobacteriaceae into the slaughterhouses and contribute to higher rates of (cross-) contamination during processing.

scholarly journals Influence of Meat Type, Sex and Storage Time on Fatty Acid Profile of Free Range Dalmatian Turkey

2016 ◽  
Vol 39 (2) ◽  
pp. 167-174 ◽  
Author(s):  
Maja Mauric ◽  
Kristina Starcevic ◽  
Sven Mencik ◽  
Mario Ostovic ◽  
Anamaria Ekert Kabalin
Keyword(s):  
Fatty Acid ◽  
Fatty Acid Profile ◽  
Point Of View ◽  
Chain Polyunsaturated Fatty Acid ◽  
Turkey Meat ◽  
Free Range ◽  
Health Promoting ◽  
And Storage ◽  
Slow Growing ◽  
Meat Type

AbstractDalmatian turkey is a slow growing breed kept in free range systems. It is a type of “old fashioned poultry” whose meat is present on the market and accepted by consumers. However, no information about its meat quality and fatty acid profile is available. The chemical composition of the meat was influenced by gender and meat type and these differences could be important from the consumer’s point of view. Fatty acid composition was characterized by the predominance of n6 fatty acids, especially C18:2n6 and a high n6/n3 ratio. Increased time of storage strongly reduced the long chain polyunsaturated fatty acid (LC PUFA) and increased atherogenicity and thrombogenicity indices (AI and TI) in thigh tissue. The content of beneficial n3 PUFA was influenced by meat type, with lower values of C18:3n3 and higher values of LC PUFA in the breast compared to the thighs. The potential intake of LC PUFA of comercial turkey in the human diet was lower in comparison to poultry fed with complete feed mixtures. An interesting fact was the higher DHA values in comparison with DPA values in breast tissue, which is characteristic of old poultry breeds. The Dalmatian turkey is a highly valued traditional product and an important archaic breed for gene preservation and biodiversity. Nevertheless, Dalmatian turkey meat could be even further improved by minimal dietary manipulation to become a product with additional health promoting effects.

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