نتایج جستجو برای: carcass composition

تعداد نتایج: 272153  

Journal: :Journal of animal science 2004
P B Wall G H Rouse D E Wilson R G Tait W D Busby

Steers from research crossbreeding projects (n = 406) were serially scanned using real-time ultrasound at 35-d intervals from reimplant time until slaughter. Cattle were evaluated for rump fat depth, longissimus muscle area (ULMA), 12th-rib fat thickness (UFAT), and percentage of intramuscular fat (IMF) to determine the ability of ultrasound to predict carcass composition at extended periods be...

2013
Sarah Ann Barber

Growth, carcass composition and meat quality of Angora goats reared for fibre production

2005
C. J. Hiemke Li-yin Lee D. L. Thomas T. A. Taylor R. G. Gottfredson S. Pinnow

Muscular and lean market lambs grow more efficiently and produce a meat product more preferred by the consumer compared to poorly muscled and fat lambs. Therefore, a case can be made for selection of breeding stock, especially within the terminal sire breeds like Suffolk and Hampshire, for desired carcass composition. Since breeding stock cannot be slaughtered in order to obtain carcass measure...

Journal: :British poultry science 2015
S Akbarnejad S Zerehdaran S Hassani F Samadi E Lotfi

1. A study was conducted to evaluate the carcass composition of 1083 live birds using ultrasonic and morphological measurements and to estimate the genetic relationship between predicted and dissected carcass composition in Japanese quail. 2. Birds were reared for 35 d, and morphological measurements consisting of the length and width of breast muscle were recorded for all birds using a digital...

Journal: :Journal of animal science 2009
J K Apple C V Maxwell D L Galloway C R Hamilton J W S Yancey

Crossbred pigs (n=288) were used to test the interactive effects of dietary fat source and slaughter weight on dissected carcass composition and fatty acid composition of composite carcass samples. Pigs were blocked by initial BW, and within each of 9 blocks, pens (8 pigs/pen) were randomly assigned to either control corn-soybean meal grower and finisher diets (Ctrl) or diets formulated with 5%...

Journal: :Journal of animal science 2004
M Altmann U Pliquett R Suess E von Borell

The objective of this study was to compare impedance spectroscopy with resistance measurements at a single frequency (50 kHz) for the prediction of lamb carcass composition. The impedance spectrum is usually recorded by measuring the complex impedance at various frequencies (frequency domain); however, in this study, we also applied the faster and simpler measurement in the time domain (applica...

ژورنال: علوم آب و خاک 2001
زارع شحنه, احمد , ضمیری, محمدجواد, متاجی, رضا , مرادی شهربابک, محمد,

Effects of the β-adrenergic agonist metaproterenol were studied daily gain, carcass composition and feed consumption of Varamini female lambs were studied. Thirty lambs were randomly assigned to a randomized complete block design with three groups (treatments) and two blocks (live weight). The ration was similar for all groups (ME: 2.6 MCal/kg, CP: 14.9%) and lambs were fed ad libitum. Metapr...

Journal: :Journal of animal science 2005
S R Silva M J Gomes A Dias-da-Silva L F Gil J M T Azevedo

The relationship between ultrasound measurements and empty body and carcass chemical composition was investigated. A 500-V real-time ultrasound with a 7.5-MHz probe combined with image analysis was used to make in vivo measurements to predict the empty body and carcass chemical composition of 31 female lambs of two genotypes, ranging in BW from 18.2 to 48.9 kg. Eleven ultrasound measurements of...

Journal: :Journal of animal science 2013
E F M Bonilha R H Branco S F M Bonilha F L Araujo E Magnani M E Z Mercadante

Empty body and carcass chemical compositions, expressed as content of water, ether extract, protein, minerals, and energy, were evaluated in Nellore bulls with different residual feed intakes (RFI). Forty-nine not castrated males, with 343 kg of average initial BW and 398 kg of average slaughter BW, were studied. Animals were divided in two subgroups: reference group (RG) and ad libitum feeding...

Journal: :Small ruminant research : the journal of the International Goat Association 2000
Mahgoub Lu Early1

Forty male Omani lambs were used in a feeding trial to study the effects of feeding diets containing various levels of metabolizable energy (ME) on growth and carcass composition. Ten lambs were selected randomly and slaughtered at the start of the trial to provide information on initial carcass composition. Thirty lambs were divided randomly into three groups and fed three diets varying in ME ...

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