نتایج جستجو برای: slaughter traits

تعداد نتایج: 103644  

1999
K. A. Leymaster B. A. Freking J. W. Keele S. D. Shackelford T. L. Wheeler M. Koohmaraie M. K. Nielsen Roman L. Hruska

A resource flock of 362 F2 lambs provided phenotypic and genotypic data to estimate effects of callipyge ( CLPG) genotypes (NN, NC, CN, and CC) on meat quality traits. The mutant allele is represented as C, the normal allele(s) as N, and the paternal allele of a genotype is given first. Lambs of each genotype born in 1994 and 1995 were serially slaughtered in six groups at 3-wk intervals starti...

Journal: :Tarim Bilimleri Dergisi-journal of Agricultural Sciences 2021

Male and female mixed 200 pheasants were reared in intensive outdoor conditions to assess the meat quality some digestive tract traits. Color, pH, cooking loss, water holding capacity drip loss determined as Production system did not have significant effect on most of Conversely, these traits affected by slaughter age. Water significantly decreased but increased Total weight rate body was age d...

2013
H. Charati A. K. Esmailizadeh

The effect of genotype, sex and hatch on carcass traits and physical characteristics of eggs was investigated in the Japanese quail. Two strains of Japanese quails including the White (P1) and Wild (P2) genotypes were chosen as the parental generation and crossed reciprocally (10 singlepair mating) to create the F1 progeny. The F1 birds (27 males and 81 females) were mated randomly to produce t...

Journal: :Ciencia Rural 2023

ABSTRACT: This study evaluated the performance parameters, carcass characteristics, and meat quality of Label Rouge chickens raised under an alternative system as a function age at slaughter. The design was completely randomized with 5×2 factorial arrangement, slaughtering five ages (70, 90, 120, 150, 180 days) two sexes. A total 240 birds (Pescoço Pelado strain) were used, including 120 female...

Journal: :Burleigh Dodds series in agricultural science 2021

Breeding for behavioural traits may improve pig welfare and breeding high production decrease welfare. Maternal behaviours important piglet includes savaging, crushing nursing. Behaviours of importance pigs slaughter feeding behaviour, tail biting aggressive behaviour. These are complex large amounts data needed accurate genetic evaluation selection.

2014
Jeong Mi Hwang Jae Kyoung Cheong Sam Su Kim Bong Hwan Jung Myung Jae Koh Hyeong Cheol Kim Yun Ho Choy

Ultrasound measurements of backfat thickness (UBF), longissimus muscle area (ULMA) and marbling score (UMS) and carcass measurements of carcass weight (CW), backfat thickness (BF), longissimus muscle area (LMA), and marbling score (MS) on 7,044 Hanwoo steers were analyzed to estimate genetic parameters. Data from Hanwoo steers that were raised, finished in Hoengseong-gun, Gangwon-do (province) ...

Journal: :علوم دامی ایران 0
علی صادقی سفیدمزگی دانشجوی دکتری، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج اردشیر نجاتی جوارمی دانشیار، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج محمد مرادی شهربابک استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج سید رضا میرائی آشتیانی استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج پیتر آر ایمر abacus bio limited، نیوزیلند

the objective of this study was to assess the discounted genetic expressions (dges) for different categories of animal traits as regards holstein cattle of iran. using discounted gene-flow principles, dges per calf born were estimated for self replacing females and also for their sires. in the situation for sires of self replacing females, relative gdes per cow per year for annual cow traits, t...

Journal: :Animal : an international journal of animal bioscience 2014
A González-Rodríguez E F Mouresan J Altarriba C Moreno L Varona

One of the main goals of selection schemes in beef cattle populations is to increase carcass weight at slaughter. Live weights at different growth stages are frequently used as selection criteria under the hypothesis that they usually have a high and positive genetic correlation with weight at slaughter. However, the presence of compensatory growth may bias the prediction ability of early weigh...

Journal: :Journal of animal science 2009
M J Schneider R G Tait W D Busby J M Reecy

The objective of this study was to investigate the effects of bovine respiratory disease (BRD) complex on economically important production traits with the use of health records in combination with lung lesion scores obtained at slaughter. Records from 5,976 animals were used in this study from cattle that were managed in Midwestern feedlots. Average daily gain for 3 different feeding periods (...

Journal: :Journal of animal science 2002
D G Riley C C Chase A C Hammond R L West D D Johnson T A Olson S W Coleman

Heritabilities and genetic and phenotypic correlations were estimated from feedlot and carcass data collected from Brahman calves (n = 504) in central Florida from 1996 to 2000. Data were analyzed using animal models in MTDFREML. Models included contemporary group (n = 44; groups of calves of the same sex, fed in the same pen, slaughtered on the same day) as a fixed effect and calf age in days ...

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