Hardware for Microcomputer Control of the Environment of a Production Broiler House

1991 ◽  
Vol 7 (1) ◽  
pp. 119-123 ◽  
Author(s):  
J. M. Allison ◽  
J. M. White
Keyword(s):  
Microcomputer Control ◽  
Broiler House

ALGORITHMS FOR MICROCOMPUTER CONTROL OF THE ENVIRONMENT OF A PRODUCTION BROILER HOUSE

1991 ◽  
Vol 34 (1) ◽  
pp. 0313 ◽  
Author(s):  
J. M. Allison ◽  
J. M. White ◽  
J. W. Worley ◽  
F. W. Kay
Keyword(s):  
Microcomputer Control ◽  
Broiler House

scholarly journals Routes for salmonella contamination of poultry meat: epidemiological study from hatchery to slaughterhouse

2002 ◽  
Vol 129 (2) ◽  
pp. 253-265 ◽  
Author(s):  
M. HEYNDRICKX ◽  
D. VANDEKERCHOVE ◽  
L. HERMAN ◽  
I. ROLLIER ◽  
K. GRIJSPEERDT ◽  
...  
Keyword(s):  
Horizontal Transmission ◽  
Poultry Meat ◽  
Contamination Level ◽  
Solid Agar ◽  
Determining Factors ◽  
Production Stages ◽  
Animal Material ◽  
Semi Solid ◽  
Therapeutic Doses ◽  
Broiler House

Data were collected on the prevalence of salmonella at different stages during the life cycle of 18 broiler flocks on different farms as well as during slaughter in different poultry slaughterhouses. For the isolation of salmonella, the highest sensitivity (93.9%) was obtained by enrichment in the semi-solid agar Diasalm. The ‘overshoe method’ utilizing several pairs of overshoes provided the highest sensitivity for determining the salmonella status of the broilers during rearing. A clear decrease of the relative importance of the first production stages was demonstrated for the salmonella contamination of the end product, whereas horizontal transmission of salmonella to broilers during rearing and to broiler carcasses in the slaughterhouse was shown to be the main determinative factor. Ten of the 18 flocks received a salmonella positive status with the highest shedding occurring during the first 2 weeks of rearing. The shedding of the animals was significantly negatively influenced by the use of subtherapeutic or therapeutic doses of antibiotics. The intake of portable material in the broiler house was identified as the most important risk factor for horizontal transmission. Significant associations were found between the contamination level of a flock and hygiene of the broiler house, feed and water in the broiler house and both animal and non-animal material sampled in the environment. No correlation was found between contamination during the rearing period and contamination found after slaughtering. The presence of faecal material in the transport crates and predominantly the identity of the slaughterhouse seemed to be the determining factors for carcass quality. Improved hygiene management during transport of broilers and in some slaughterhouses could significantly reduce the risk of salmonella contamination of poultry meat.

Antimicrobial Activity of N-Halamine–Coated Materials in Broiler Chicken Houses

2018 ◽  
Vol 81 (2) ◽  
pp. 195-201 ◽  
Author(s):  
Tian Ren ◽  
Mingyu Qiao ◽  
Lei Zhang ◽  
Jean Weese ◽  
Tung-Shi Huang ◽  
...  
Keyword(s):  
Antimicrobial Activity ◽  
Salmonella Typhimurium ◽  
Broiler Chicken ◽  
Treated Wood ◽  
Antimicrobial Activities ◽  
Complete Inactivation ◽  
Coated Materials ◽  
Metal Aluminum ◽  
Broiler House

ABSTRACT The antimicrobial activity of 1-chloro-2,2,5,5-tetramethyl-4-imidazoidinone (MC), a nonbleaching N-halamine compound, was investigated on materials commonly used in broiler production, including stainless steel, galvanized metal, aluminum, plastic, and pressure-treated wood. MC aqueous solutions at 0.02, 0.04, and 0.06% were challenged with Salmonella Typhimurium and Campylobacter jejuni at 6 log CFU/mL, resulting in complete inactivation of both bacteria in 30 min with 0.06% MC. Follow-up experiments were performed using test materials treated with 0.1 and 1% MC and challenged with Salmonella Typhimurium and C. jejuni at 6 log CFU per coupon. Stability of MC on the various surfaces of testing materials was assessed, and the chlorine content of the materials was measured using iodometric thiosulfate titration over a 4-week period. Antimicrobial activities were evaluated by a sandwich test on each sampling day during 4 weeks of storage. On the samples treated with 1% MC, bacteria at 6 log CFU per coupon were completely inactivated within 2 h of contact time. The antimicrobial activity extended to 4 weeks, and the active chlorine atoms in the treated materials decreased from the initial 1016 to 1015 atoms per cm2. Overall, MC had high stability and long-lasting antimicrobial activity, which suggests that MC has high potential for use as a novel antimicrobial agent to lower the microbial load on broiler house materials.

scholarly journals The Effect of Dietary Halloysite Supplementation on the Performance of Broiler Chickens and Broiler House Environmental Parameters

Animals ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 2040
Author(s):  
Małgorzata Nadziakiewicz ◽  
Marcin Wojciech Lis ◽  
Piotr Micek
Keyword(s):  
Body Weight ◽  
Broiler Chickens ◽  
Body Weight Gain ◽  
Environmental Parameters ◽  
Feed Consumption ◽  
Feed Additive ◽  
Feed Conversion ◽  
Daily Body Weight ◽  
Daily Water ◽  
Broiler House

The aim of the study was to determine the effect of supplementing broiler chickens’ diets with halloysite on daily body weight gain (BWG), feed conversion ratio (FCR), daily water consumption (DWC), and some broiler house hygiene parameters. The trial was conducted on 18,000 broiler chickens divided into two groups throughout the 42-day (D) rearing period. The birds were fed complete diets without (group C) or with halloysite addition (1%, group E) from D8 of rearing. No difference in the mortality rate was observed between groups C and E. Birds from group E had a tendency (0.05 < p < 0.10) towards a higher body weight at D32 and D42, a higher BWG, and a lower FCR compared to group C during the entire rearing period. Average DWC differed only in the finisher period, with a tendency towards lower overall DWC in group E. The concentration of ammonia in the air from D21 to D35 was increased more than 5-fold in group C but only 1.5-fold in group E. In conclusion, the use of halloysite as a feed additive in the diet of broiler chickens resulted in a reduction in feed consumption per unit of BWG and higher utilisation of crude protein, which led to improved environmental conditions.

Microcomputer control of thin film alloy deposition

Vacuum ◽  
1982 ◽  
Vol 32 (10-11) ◽  
pp. 695-700 ◽  
Author(s):  
D King ◽  
GR Hoffman
Keyword(s):  
Thin Film ◽  
Alloy Deposition ◽  
Microcomputer Control ◽  
Film Alloy

Microcomputer Control of a Small-Scale Ethanol Distillation System

1988 ◽  
Vol 31 (4) ◽  
pp. 1295-1301
Author(s):  
J. A. Quandt ◽  
M. R. Paulsen ◽  
E. D. Rodda
Keyword(s):  
Small Scale ◽  
Distillation System ◽  
Microcomputer Control

Prototype Broiler House Heat Exchanger Performance

1989 ◽  
Vol 5 (4) ◽  
pp. 589-594 ◽  
Author(s):  
Arthur W. Selders ◽  
Glenn H. Carpenter ◽  
David J. Workman
Keyword(s):  
Heat Exchanger ◽  
Broiler House
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