scholarly journals Effects of Stocking Density and Transportation Time of Market Pigs on Their Behaviour, Plasma Concentrations of Glucose and Stress-associated Enzymes and Carcass Quality

2004 ◽  
Vol 17 (1) ◽  
pp. 116-121 ◽  
Author(s):  
D. H. Kim ◽  
J. H. Woo ◽  
C. Y. Lee
Keyword(s):  
Plasma Concentrations ◽  
Stocking Density ◽  
Carcass Quality ◽  
Transportation Time

The effect of stocking density in transit on the carcass quality and welfare of slaughter pigs: 2. Results from the analysis of blood and meat samples

Meat Science ◽  
1998 ◽  
Vol 50 (4) ◽  
pp. 447-456 ◽  
Author(s):  
P.D. Warriss ◽  
S.N. Brown ◽  
T.G. Knowles ◽  
J.E. Edwards ◽  
P.J. Kettlewell ◽  
...  
Keyword(s):  
Stocking Density ◽  
Carcass Quality ◽  
Slaughter Pigs ◽  
Meat Samples ◽  
In Transit

The Effect of Stocking Density in Transit on the Carcass Quality and Welfare of Slaughter Pigs: 1. Carcass Measurements

Meat Science ◽  
1998 ◽  
Vol 50 (4) ◽  
pp. 439-446 ◽  
Author(s):  
H.J Guise ◽  
H.L Riches ◽  
E.J Hunter ◽  
T.A Jones ◽  
P.D Warriss ◽  
...  
Keyword(s):  
Stocking Density ◽  
Carcass Quality ◽  
Slaughter Pigs ◽  
In Transit

scholarly journals 125 Supplementing extra dietary DL-methionine mitigates effects of higher stocking density on growth performance, meat quality, and health status of broiler chicks

2019 ◽  
Vol 97 (Supplement_3) ◽  
pp. 111-111
Author(s):  
Andrew Magnuson ◽  
Guanchen Liu ◽  
Tao Sun ◽  
Samar Tolba ◽  
Adam Fahrenholz ◽  
...  
Keyword(s):  
Health Status ◽  
Growth Performance ◽  
Meat Quality ◽  
Plasma Concentrations ◽  
Stocking Density ◽  
Broiler Chicks ◽  
Tissue Samples ◽  
Treatment Groups ◽  
Use Efficiency ◽  
Period Data

Abstract This study was to determine if 30% extra supplemental DL-methionine could improve growth performance, meat quality, and health status of broilers stocked at a high density. A total of 560 day-old male Cornish cockerel chicks were divided into 4 treatment groups: 2 stocking densities (2.9 and 3.8 kg/ft2) and 2 supplementations of DL-methionine (grower: 2.90 or 3.77 g/kg and finisher: 2.60 or 3.38 g/kg). Chicks were fed the same corn-soybean meal-based starter diet and then experimental diets (grower: 6.4 g SAA/kg, finisher: 5.9 g SAA/kg, n = 10 pens/treatment). Growth performance and mortality were recorded, and blood and tissue samples (3 chicks/pen) were collected at the end of each period. Data were analyzed by two-way ANOVA. High stocking density decreased (P < 0.05) BW and (or) ADG of growers and finishers. Both high stocking density and methionine decreased (P < 0.05) ADFI and the high methionine improved (P < 0.05) feed use efficiency of chicks during the grower-finisher period. Neither treatment affected feather coverage, mortality, incidences of diseases, or dressing percentage. The high methionine improved (P < 0.05) meat to bone ratio of thigh, and exerted mixed effects (P < 0.05) on texture of breast and thigh. Dietary methionine and stocking density showed no major effects on tissue lipid profiles, but moderate effects (P < 0.05) on plasma concentrations of total cholesterol and(or) triglycerides of chicks. Fatty acid profiles in the liver and breast of chicks were unaffected by either treatment. The two treatments enhanced (P < 0.05) tibial maximum breaking strength (15–20%) and plasma alkaline phosphatase activity of growers. In conclusion, the high stocking density affected growth performance, meat quality, and health status of broilers. Supplementing 30% extra dietary methionine seemed to mitigate some of those effects. (Supported in part by Evonik Nutrition & Care GmbH, Germany)

Long distance transportation of steers to slaughter: effect of stocking density on physiology, behaviour and carcass quality

1992 ◽  
Vol 30 (3) ◽  
pp. 223-238 ◽  
Author(s):  
P.V. Tarrant ◽  
F.J. Kenny ◽  
D. Harrington ◽  
M. Murphy
Keyword(s):  
Stocking Density ◽  
Carcass Quality ◽  
Long Distance

Effects of season and stocking density during transport on live weight and biochemical measurements of stress, dehydration and injury of rabbits at time of slaughter

2004 ◽  
Vol 78 (2) ◽  
pp. 285-292 ◽  
Author(s):  
J. de la Fuente ◽  
M. I. Salazar ◽  
M. Ibáñez ◽  
E. González de Chavarri
Keyword(s):  
Muscle Glycogen ◽  
Plasma Concentrations ◽  
Stocking Density ◽  
Live Weight ◽  
Blood Parameters ◽  
Blood Samples ◽  
Weight Losses ◽  
Ldh Activity ◽  
Biochemical Measurements ◽  
Muscle Glycogen Concentration

AbstractThe effects on rabbit welfare of transport in two seasons (summer and winter) and at two stocking densities (high stocking density: 12 rabbits per cage; low stocking density: 8 rabbits per cage) were studied. The loss of live weight during transport was calculated. At slaughter, blood samples were obtained and some physiological parameters related to stress were analysed: cortisol, creatine kinase (CK), lactate dehydrogenase (LDH), lactate, glucose, packed cell volume (PCV), osmolarity, and albumin and globulin concentrations. In addition, liver and muscle samples were taken and immediately frozen in liquid nitrogen for subsequent glycogen measurements.Season significantly affected the live-weight losses and plasma concentrations of cortisol (P < 0.01), CK, LDH, lactate (P < 0.001) and glucose (P < 0.01), as well as osmolarity (P < 0.001). Liver and muscle glycogen concentration were also affected by the season (P < 0.001). The loss of live weight was higher in rabbits transported in winter than in summer. The plasma concentrations of cortisol, lactate and glucose, CK and LDH activity, and osmolarity, as well as liver and muscle glycogen concentrations were higher in rabbits transported in summer than in winter. Stocking density had no effect on the analysed parameters. The high levels of the analysed blood parameters, which are related to stress, lead to the conclusion that the welfare of the rabbits transported in summer was more affected than those transported in winter.

scholarly journals Rearing, bird type and pre-slaughter transport conditions of broilers II. Effect on foot-pad dermatitis and carcass quality

2018 ◽  
Vol 16 (2) ◽  
pp. e0504 ◽  
Author(s):  
Morris Villarroel ◽  
Ivan Francisco ◽  
Miguel A. Ibáñez ◽  
Martin Novoa ◽  
Paula Martínez-Guijarro ◽  
...  
Keyword(s):  
Conversion Rate ◽  
Ventilation System ◽  
Stocking Density ◽  
Carcass Quality ◽  
Feed Conversion ◽  
Transport Distance ◽  
Wood Shavings ◽  
Maximum Temperatures ◽  
Foot Pad ◽  
Feed Conversion Rate

A multivariable linear model was used to analyse the incidence of carcass quality defects over one year in a commercial database that included 1,856 flocks of Ross broilers (9,188 shipments, 1,975,420 carcasses inspected). The incidence of foot-pad dermatitis (FPD), scratches and wing and back haematomas was scored and analysed in terms of the effects of transport distance, arrival time to the slaughterhouse, waiting time at the slaughterhouse, maximum outside temperature on the day of transport, feed conversion rate, stocking density, bird type (yellow-skinned females or males, white-skinned females or males and roaster females), thinning (birds transported after thinning, birds remaining after thinning, and non-thinned flocks), bed litter type (rice hulls, chopped straw or wood shavings), and ventilation system (dynamic, static or tunnel). The incidence of FPD was significantly (p<0.001) lower at higher maximum temperatures and higher in flocks with a higher feed conversion rate. FPD also increased with stocking density (kg/m2) and was, on average, 5.0% higher in males than females. Regarding thinning, FPD was 13% lower in birds transported after thinning. Birds raised on chopped straw had more FPD (49.3%), followed by wood shavings (31.1%). Scratches were higher at higher temperatures and increased with transport distance. Birds transported after thinning had 5.8% more scratches than non-thinned birds, while increased stocking density (kg/m2) on the farm tended to increase scratches. Back haematomas were 32.6% higher in birds that were thinned, while wing haematomas increased with stocking density (kg/m2). Back haematomas were also 23.7% higher in males and more common in white-skinned birds.

Effects of mechanical treatment of whole canola seeds on carcass composition and blood lipids of lambs fed grass silage

1998 ◽  
Vol 78 (4) ◽  
pp. 665-671 ◽  
Author(s):  
S. Huard ◽  
J. R. Seoane ◽  
H. V. Petit ◽  
M. H. Fahmy ◽  
R. Rioux
Keyword(s):  
Fatty Acid ◽  
Mechanical Treatment ◽  
Blood Lipids ◽  
Plasma Concentrations ◽  
Blood Lipid ◽  
Basal Diet ◽  
Carcass Composition ◽  
Canola Meal ◽  
Carcass Quality ◽  
Grass Silage

Thirty-three lambs (25.2 ± 2.7 kg BW) were used to study if mechanical treatment of canola seeds can exert an effect on carcass quality, blood lipids, and fatty acid profile of depot fat. All lambs received a basal diet of 179 g d−1 of a 16% CP commercial concentrate and grass silage fed ad libitum. The basal diet was supplemented with the following dietary treatments (dry matter basis): C, a control supplement supplying 182 g of a mixture of 66% canola meal and 34% canola oil; WCS, 187 g of whole canola seeds; RCS, 188 g of rolled canola seeds; and GCS, 189 g of ground canola seeds. Dressing percentage was higher (P < 0.05) for diet C (45.6%) than for WCS (42.5%) and RCS (41.9%). The highest and lowest carcass grades were obtained with diets C and RCS, respectively (P < 0.05). Blood lipid concentrations increased as the lambs grew older (P < 0.01). Lambs fed the GCS diet had lower plasma concentrations of total cholesterol and high density lipoprotein cholesterol than lambs fed the WCS or RCS diets (P < 0.05). Kidney fat of lambs on the C diet contained more trans -C18:1 and less C18:0 compared with the other diets (P < 0.01). The utilization of untreated or rolled canola seeds as protein and fat supplements decreased carcass quality, increased blood triglycerides and changed fatty acid composition of depot fat. Key words: Canola seeds, lambs, carcass composition, blood lipid

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