scholarly journals Dynamic Light-Weight Groups

2002 ◽  
Author(s):  
K. Guo ◽  
L. Rodrigues
Keyword(s):  
Light Weight ◽  
Weight Groups

scholarly journals Effects of storage period and egg weight of Japanese quail eggs on hatching results (short communication)

2005 ◽  
Vol 48 (5) ◽  
pp. 518-526
Author(s):  
I. Seker ◽  
S. Kul ◽  
M. Bayraktar
Keyword(s):  
Storage Period ◽  
Fertility Rate ◽  
Embryonic Mortality ◽  
Light Weight ◽  
Egg Weight ◽  
Heavy Weight ◽  
Japanese Quails ◽  
Early Embryonic Mortality ◽  
Hatching Eggs ◽  
Weight Groups

Abstract. This study was undertaken to determine the effects of storage period and egg weight of hatching eggs of Japanese quails on fertility, hatchability results. Eggs were obtained 150 females quails, all at 15 weeks of age. A total of 1942 hatching eggs were separated into 3 groups as light-weight (9.50-10.50 g), medium-weight (10.51-11.50 g), and heavy-weight (11.51-12.50 g). Based on storage period, eggs were divided into 5 groups as group 1 (0-3 days), group 2 (4-6 days), group 3 (7-9 days), group 4 (10-12 days), and group 5 (13-15 days). The influence of storage period on hatchability of fertile eggs and early, middle, and late period embryonic mortality rates was found significant (P<0.01). The effect of egg weight on fertility rate, hatchability of fertile eggs and early embryonic mortality was significant (P<0.05, P<0.01). The significant differences between storage period groups were observed in hatchability of fertile eggs. The differences between egg weight groups for fertility rate, hatchability of fertile eggs and early embryonic mortality was significantly higher in light weight group than the other egg weight groups. Results of this study concluded that a 12 day pre-incubation storage of hatching eggs of Japanese quails did not appreciably affect hatching parameters. Use of medium or heavy weight eggs for hatching may reduce early embryonic mortality rate.

scholarly journals THE INFLUENCE OF SEX AND BIRTH WEIGHT OF THE CALF AND THE PARITY AND LENGTH OF GESTATION ON THE TIME OF CALVING

1989 ◽  
Vol 69 (4) ◽  
pp. 871-875
Author(s):  
J. THARMARAJ ◽  
Y. SHINDE ◽  
F. KASHIWAMURA ◽  
M. NAKAMURA ◽  
T. IKETAKI ◽  
...  
Keyword(s):  
Birth Weight ◽  
Key Words ◽  
Analysis Of Variance ◽  
Dairy Farm ◽  
Light Weight ◽  
Chi Square ◽  
Chi Square Analysis ◽  
Early Late ◽  
Weight Groups ◽  
Length Of Gestation

Data on 721 calvings of Holstein cows recorded over a 10-yr period at the Obihiro University Dairy Farm were analyzed using chi-square analysis of variance. Calvings were not evenly distributed over the 24 h (P < 0.05). Calf birth weight affected the time of calving (P = 0.02). Sex of the calf (P = 0.73), parity (P = 0.55) and length of gestation (P = 0.10) did not directly influence the time of calving. Calves were divided into three groups according to their birth weights, within subclasses of sex (male, female), parity (early, late) and length of gestation (short, long). The groups were: light weight (≤ mean − SD under that subclass), average (mean + SD) and heavy (≥ mean + SD). Chi-square analysis comparing the three birth weight groups revealed that most of the lightest calves were born during the night. Weight of the mature fetus was related to the time of calving, but the mechanism for it was not resolved. Key words: Calving time, calf birth weight, parturition

Uniform or heterogeneous weight groups as factors in mixing weanling pigs

1996 ◽  
Vol 76 (2) ◽  
pp. 171-176 ◽  
Author(s):  
D. A. Francis ◽  
G. I. Christison ◽  
N. F. Cymbaluk
Keyword(s):  
Body Weight ◽  
Key Words ◽  
Average Daily Gain ◽  
Performance Criteria ◽  
Light Weight ◽  
Weanling Pigs ◽  
And Performance ◽  
Daily Gain ◽  
Weight Groups ◽  
Light Medium

A series of trials evaluated the behavior and performance of pigs grouped into three main categories at weaning: (1) unmixed litters, (2) mixed into uniform body weight groups (light, medium and heavy) and (3) mixed into heterogeneous weight groups. The effects of grouping on performance criteria were conflicting among trials and with time after weaning. In trial 1, heterogeneous groups had lower (P = 0.09) average daily gain to 5 d after weaning than intact litters. The reverse was observed in trial 2. In trial 3, uniform weight groups grew more rapidly (P < 0.01) than heterogenous groups. These treatment differences persisted through 19 d post-weaning for pigs in trials 1 and 2 but were no longer evident in trial 3. Play/fight behavior was highest (P < 0.01) among uniform weight groups resulting in an increased wounding score for head and shoulders of pigs in medium and heavy weight groups. In trial 1, structures which allowed individuals to hide their heads were available for the first 5 d but did not affect behavior or wounding. In trial 2, pigs from the three main groupings were mixed again on day 19 into three new groupings (unmixed, uniform weight or heterogenous weight). There were no performance differences among the nine grouping combinations 40 d after weaning. We conclude that if litter groups cannot be maintained after weaning, it may be advantageous to mix newly weaned pigs into uniform weight groups although the benefit is not consistently present. If space is limited, the greatest benefit would be to group light weight pigs together. Key words: Pigs, weanlings, behavior, lesions, head hides, mixing

scholarly journals TECHNICAL ANALYSIS OF 12TH WORLD UNIVERSITIES WRESTLING CHAMPIONSHIP GRECO-ROMAN STYLE COMPETITION

2017 ◽  
Vol 4 (107) ◽  
pp. 28-37
Author(s):  
Aydogan Soyguden ◽  
Osman Imamoglu
Keyword(s):  
Statistical Analysis ◽  
Technical Analysis ◽  
Standing Position ◽  
Light Weight ◽  
Effective Technique ◽  
Greco Roman ◽  
Significant Difference ◽  
Weight Groups ◽  
One Way Anova ◽  
Made In

Background. The purpose of this study was to carry out technical analysis of the 12th World Universities Wrestling Championships Greco-Roman style competition. Methods. There were 70 participants from 18 countries participating in Corum, Turkey. The observation form was prepared before the competitions and recorded by two researchers; technical analysis of the recordings was carried out. During the competitions, the scores obtained, warnings, winning types, successful techniques were recorded in the technical analysis form. In statistical analysis, the percentage distributions for each parameter and match percentage rates were calculated. Statistical analysis was performed by One Way ANOVA and LSD analysis of variance in group comparisons. Results. In the championships all the wrestlers applied 341 technics and collected 535 points. The Light weight groups applied 157 technics and collected 245 points in the 36 matches. The most number of points were collected and made in the light weight group. The heavyweight groups applied 63 technics and collected 116 points in the 19 matches. The least number of points were collected and made in the heavyweight groups. There was a significant difference between the technical and score points according to weight groups ( p < .05 and p < .001). The highest number of victories was taken (won by score) in the heavyweight group (83%); the highest number of victories was taken (won by technical pin) in the lightweight group (21%). The highest score was made with passive punishment point in lightweight group (28%), middleweight group (38%) and heavyweight group (33%). The highest scores in the second row were obtained from the techniques of snap down spin behind with (16%) at light weight, high dive takedown at 16.5% in middle weight, and move out of the mat and high dive takedown score at 22% in heavyweight groups. The ratio for one competition (ROC) was received by the number of technical 4.01 and 6.67 points. Conclusion. As a result, the most effective technique in Greco-Roman style given by the referee was passive punishment point in all weight groups. In this case, the wrestlers need to be more active in the standing position around the zone area. In particular, it is suggested to fight tempo wrestling with their arms and chest by fighting against each other and struggle in the standing position.

Effects of different initial weights on fattening performance, slaughter and carcass characteristics of Holstein Friesian and Brown Swiss young bulls

2015 ◽  
Author(s):  
A. Diler ◽  
R. Kocyigit ◽  
M. Yanar ◽  
R. Aydin ◽  
N. Tuzemen
Keyword(s):  
Feed Efficiency ◽  
Light Weight ◽  
Efficiency Ratio ◽  
Weight Group ◽  
Brown Swiss ◽  
Holstein Friesian ◽  
Feed Efficiency Ratio ◽  
Final Weight ◽  
Weight Groups ◽  
Better Than

A total of 27 young bulls [13 Brown Swiss (BS) and 14 Holstein Friesian (HF)] were fed to investigate the effects of initial fattening weights [light weight group (LG= 176.0± 3.5 kg) and heavy weight group (HG= 213.8±3.7 kg)] on the performance, slaughter and carcass traits. With increasing initial fattening weight, final weight (P the initial fattening weights in favour of bulls in HG. Average SEUROP conformation score of HG carcasses was one class better than that of LG carcasses. It was concluded that young bulls in HG had better slaughter characteristics, carcass measurements and percentage of kidney, pelvic and heart fat than these in LG, while performance and feed efficiency ratio of the animals in the different weight groups were not statistically different.

Microstructure of an extruded rapidly solidified Al-8Fe-2Mo alloy

1986 ◽  
Vol 44 ◽  
pp. 548-549
Author(s):  
W. T. Donlon ◽  
J. E. Allison ◽  
S. Shinozaki
Keyword(s):  
Electron Microscopy ◽  
Automotive Industry ◽  
Fuel Economy ◽  
High Strength ◽  
Al Alloys ◽  
Light Weight ◽  
Thin Sections ◽  
Strength And Durability ◽  
Rapidly Solidified ◽  
Whitney Aircraft

Light weight materials which possess high strength and durability are being utilized by the automotive industry to increase fuel economy. Rapidly solidified (RS) Al alloys are currently being extensively studied for this purpose. In this investigation the microstructure of an extruded Al-8Fe-2Mo alloy, produced by Pratt & Whitney Aircraft, Goverment Products Div. was examined in a JE0L 2000FX AEM. Both electropolished thin sections, and extraction replicas were examined to characterize this material. The consolidation procedure for producing this material included a 9:1 extrusion at 340°C followed by a 16:1 extrusion at 400°C, utilizing RS powders which have also been characterized utilizing electron microscopy.

Light-Weight Tire Concept

1996 ◽  
Vol 24 (2) ◽  
pp. 119-131
Author(s):  
F. Lux ◽  
H. Stumpf
Keyword(s):  
Fuel Consumption ◽  
Automobile Industry ◽  
Rolling Resistance ◽  
Performance Standards ◽  
Light Weight ◽  
Production Methods ◽  
Lower Fuel Consumption ◽  
Material Resources ◽  
The Past ◽  
Tire Production

Abstract Current demands by the consumer, the automobile industry, and the environment have determined the basis of this investigation. In the past, the requirements—ever faster, ever sportier—were accepted as decisive parameters for the development of our study. In the future, rational and safety-related tire characteristics as well as environmental consciousness will increase, whereas purely performance-related parameters will diminish in their importance. Through our light-weight tire project, we have paved the way for future tire generations. The first priority is the minimal use of material resources; this means a reduction of materials and energy in tire production by using advanced design and production methods without sacrificing performance standards. This benefits the consumer—the final judge of all of our activities—by considerably reducing the rolling resistance, leading to lower fuel consumption. Further design targets include the improvement of rolling behavior and increased comfort by reducing tire weight, and therefore a reduction in unsprung masses on the vehicle.

Electrolytic analysis with platinum electrodes of light weight

1912 ◽  
Vol s4-34 (200) ◽  
pp. 107-112
Author(s):  
F. A. Gooch ◽  
W. L. Burdick
Keyword(s):  
Light Weight ◽  
Platinum Electrodes
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