The Effect Of Feeding Ractopamine On Growth Performance Carcass Composition Meat Quality And Cortisol Concentration In Purebred Berkshire Swine

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The Effect of Feeding Ractopamine on Growth Performance, Carcass Composition, Meat Quality and Cortisol Concentration in Purebred Berkshire Swine

Author : Katherine Suzanne Betts
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (751 download)

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Book Synopsis The Effect of Feeding Ractopamine on Growth Performance, Carcass Composition, Meat Quality and Cortisol Concentration in Purebred Berkshire Swine by : Katherine Suzanne Betts

Download or read book The Effect of Feeding Ractopamine on Growth Performance, Carcass Composition, Meat Quality and Cortisol Concentration in Purebred Berkshire Swine written by Katherine Suzanne Betts and published by . This book was released on 2011 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The study evaluated the effects of a 28 d pre-harvest ractopamine (RAC) feeding program on average daily gain (ADG), feed conversion efficiency (FC), backfat (BF) and loin muscle area (LMA), pork loin quality, and cortisol concentration in purebred Berkshire pigs (n = 117) utilizing a randomized complete block design with three treatments (Control (C), 0 ppm; RAC5, 5.0 ppm; RAC10; 10 ppm) in four replicates. Litter-mate pigs were randomly assigned to each of the three treatments within a replicate. Ultrasonic BF and LMA, pig weight, and salivary cortisol concentrations were measured at days 0, 7, 14, 21, and 28 of the feeding period. Blood was collected during harvest at exsanguination for plasma cortisol measurements. Carcass composition and pork quality (NPPC, 2000; visual color, marbling, firmness, and wetness and instrumental measures of ultimate pH and Minolta L*, a*, and b* were assessed at 24h post-harvest. Mixed model procedures of SAS were used in analyses. Fixed effects were treatment, sex, and a treatment x sex interaction, with sex and interaction effects removed if not significant (P> 0.10). Random effects included replication and litter nested within replication. Individual ADG was greater (P

The Effect of Ractopamine on Finishing Swine Performance and Carcass Composition

Author : Mark Paul Storlie
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (27 download)

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Book Synopsis The Effect of Ractopamine on Finishing Swine Performance and Carcass Composition by : Mark Paul Storlie

Download or read book The Effect of Ractopamine on Finishing Swine Performance and Carcass Composition written by Mark Paul Storlie and published by . This book was released on 1989 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Feeding Ractopamine Hydrochloride in Combination with Zinc Or Chromium on Growth Performance, Carcass Characteristics, and Meat Quality of Finishing Steers

Download Effects of Feeding Ractopamine Hydrochloride in Combination with Zinc Or Chromium on Growth Performance, Carcass Characteristics, and Meat Quality of Finishing Steers PDF Online Free

Author : Bailey Marie Edenburn
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (951 download)

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Book Synopsis Effects of Feeding Ractopamine Hydrochloride in Combination with Zinc Or Chromium on Growth Performance, Carcass Characteristics, and Meat Quality of Finishing Steers by : Bailey Marie Edenburn

Download or read book Effects of Feeding Ractopamine Hydrochloride in Combination with Zinc Or Chromium on Growth Performance, Carcass Characteristics, and Meat Quality of Finishing Steers written by Bailey Marie Edenburn and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Ractopamine and Muscle Fiber Number on Swine Growth Performance, Carcass Traits, and Meat Quality

Author : Louis W. Kutzler
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (775 download)

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Book Synopsis Effects of Ractopamine and Muscle Fiber Number on Swine Growth Performance, Carcass Traits, and Meat Quality by : Louis W. Kutzler

Download or read book Effects of Ractopamine and Muscle Fiber Number on Swine Growth Performance, Carcass Traits, and Meat Quality written by Louis W. Kutzler and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effect of Ractopamine Hydrochloride on Growth and Carcass Characteristics of Lightweight Swine

Author : Mark Adam Frenzel
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (696 download)

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Book Synopsis Effect of Ractopamine Hydrochloride on Growth and Carcass Characteristics of Lightweight Swine by : Mark Adam Frenzel

Download or read book Effect of Ractopamine Hydrochloride on Growth and Carcass Characteristics of Lightweight Swine written by Mark Adam Frenzel and published by . This book was released on 2010 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study was conducted using 65 pigs to measure the effects of ractopamine hydrochloride (RAC) on growth and carcass characteristics of lightweight swine. Beginning weights averaged 68.23 kg. RAC was included in the diet at 0, 5, and 10 ppm for 25 days until an average weight of 92 kg. Last rib fat thickness was lower (P0.05) for the 5 ppm and 10 ppm groups. No other differences (P0.05) were found between treatment groups for growth, feed efficiency, carcass cutability, or pork quality traits. These results suggest that feeding ractopamine hydrochloride in lightweight swine diets can reduce last rib fat while not impacting growth or other carcass traits.

Effect of Protein and Lysine on the Growth Performance and Carcass Composition of Finishing Pigs Fed Ractopamine

Author : Rodney Stephen Ott
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (223 download)

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Book Synopsis Effect of Protein and Lysine on the Growth Performance and Carcass Composition of Finishing Pigs Fed Ractopamine by : Rodney Stephen Ott

Download or read book Effect of Protein and Lysine on the Growth Performance and Carcass Composition of Finishing Pigs Fed Ractopamine written by Rodney Stephen Ott and published by . This book was released on 1990 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effects of Ractopamine Hydrochloride (Paylean) on Efficiency, Carcass Composition, Carcass Quality and Fat Quality in High Lean Growth Pigs

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Author : Scott Nees Carr
Publisher :
ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.:/5 (55 download)

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Book Synopsis The Effects of Ractopamine Hydrochloride (Paylean) on Efficiency, Carcass Composition, Carcass Quality and Fat Quality in High Lean Growth Pigs by : Scott Nees Carr

Download or read book The Effects of Ractopamine Hydrochloride (Paylean) on Efficiency, Carcass Composition, Carcass Quality and Fat Quality in High Lean Growth Pigs written by Scott Nees Carr and published by . This book was released on 2003 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Ractopamine Hydrochloride and Feeding Period on Growth Performance, Carcass Characteristics and Quality in Market Holstein Cows

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Author : Jamison D. Allen
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.:/5 (298 download)

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Book Synopsis Effects of Ractopamine Hydrochloride and Feeding Period on Growth Performance, Carcass Characteristics and Quality in Market Holstein Cows by : Jamison D. Allen

Download or read book Effects of Ractopamine Hydrochloride and Feeding Period on Growth Performance, Carcass Characteristics and Quality in Market Holstein Cows written by Jamison D. Allen and published by . This book was released on 2008 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Impact of Feeding Ractopamine (Paylean®) on the Economically Important Traits of Berkshire, Duroc and PIC Genetic Lines of Swine

Author : Colin Dale Johnson
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (5 download)

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Book Synopsis The Impact of Feeding Ractopamine (Paylean®) on the Economically Important Traits of Berkshire, Duroc and PIC Genetic Lines of Swine by : Colin Dale Johnson

Download or read book The Impact of Feeding Ractopamine (Paylean®) on the Economically Important Traits of Berkshire, Duroc and PIC Genetic Lines of Swine written by Colin Dale Johnson and published by . This book was released on 2002 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study evaluated the impact of feeding ractopamine (RAC) on the economically important traits of three genetically diverse lines of growing pigs. A total of 232 pigs consisting of purebred Berkshire, (n = 76), purebred Duroc (n = 81), and a crossbred line (PIC, n = 75) were randomly allocated within breed and litter to one of two treatment groups. Pigs were allowed to consume a 17.6% crude protein, 1.02% lysine, corn-soybean meal based diet containing 0 or 10 ppm RAC (Paylean[Superscript Registered Trademark Symbol]). Pigs were placed on treatment diets for 28 d at a pen mean weight of 85.1 kg. Growth and feed utilization were monitored on a weekly basis while carcass characteristics were collected at a commercial abattoir at the end of the 28-d treatment period. Pigs fed RAC had improved (P

Effects of Ractopamine Plus Amino Acids on Growth Performance, Carcass Characteristics, Meat Quality, and Ractopamine Residues of Finishing Pigs

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Author : Claudia Andrea Elmes Hinojosa
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (954 download)

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Book Synopsis Effects of Ractopamine Plus Amino Acids on Growth Performance, Carcass Characteristics, Meat Quality, and Ractopamine Residues of Finishing Pigs by : Claudia Andrea Elmes Hinojosa

Download or read book Effects of Ractopamine Plus Amino Acids on Growth Performance, Carcass Characteristics, Meat Quality, and Ractopamine Residues of Finishing Pigs written by Claudia Andrea Elmes Hinojosa and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effects of Feeding Ractopamine (paylean) on Muscle Quality and Palatability Attributes of Loins from Berkshire, Duroc, and a High-lean Crossbred Genetic Line of Swine

Download The Effects of Feeding Ractopamine (paylean) on Muscle Quality and Palatability Attributes of Loins from Berkshire, Duroc, and a High-lean Crossbred Genetic Line of Swine PDF Online Free

Author : Gabriel Mark Stoller
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (52 download)

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Book Synopsis The Effects of Feeding Ractopamine (paylean) on Muscle Quality and Palatability Attributes of Loins from Berkshire, Duroc, and a High-lean Crossbred Genetic Line of Swine by : Gabriel Mark Stoller

Download or read book The Effects of Feeding Ractopamine (paylean) on Muscle Quality and Palatability Attributes of Loins from Berkshire, Duroc, and a High-lean Crossbred Genetic Line of Swine written by Gabriel Mark Stoller and published by . This book was released on 2002 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: This experiment was designed to evaluate the effects of ractopamine hydrochloride (RAC) on muscle quality and sensory attributes of three genetic lines of swine. Berkshire (n = 76), Duroc (n = 81), and high-lean commercial crossbred (n = 75) barrows and gilts were fed either a standard commercial diet or a diet supplemented with RAC (10 ppm). The trial was conducted using a randomized complete block design, with animals blocked according to litter, gender, and starting weight. Pigs were started on the experimental diet at approximately 85.1 kg and remained on test for 28 d. Pigs were harvested at a commercial abattoir and muscle quality measurements taken at 24 and 48 h post-mortem. Quality traits measured were visual firmness and wetness (24 h), pH (24 h and 48 h), visual marbling and color (48 h), Minolta color scores (24 h and 48 h), and water-holding capacity (48 h). Sensory attributes of the loin were assessed by a three-person trained sensory panel to subjectively evaluate juiciness, tenderness, and chewiness (sustained tenderness). Objective measurements of tenderness (Instron), percentage cooking loss, and chemically separated loin lipid content (intramuscular fat, IMF) were also obtained. The inclusion of RAC in the diet had no significant effect on muscle quality assessments, sensory attributes, or objective measures of palatability. Differences were observed between genetic lines for most quality and sensory traits, with Berkshire pigs generally being superior. Loins from barrows were firmer (P

Effects of Source and Level of Dietary Roughage and Ractopamine (Optaflexx) Supplementation on Growth Performance, Carcass Characteristics and Meat Quality in Beef Cattle

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Author : Danielle Laura Glanc
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis Effects of Source and Level of Dietary Roughage and Ractopamine (Optaflexx) Supplementation on Growth Performance, Carcass Characteristics and Meat Quality in Beef Cattle by : Danielle Laura Glanc

Download or read book Effects of Source and Level of Dietary Roughage and Ractopamine (Optaflexx) Supplementation on Growth Performance, Carcass Characteristics and Meat Quality in Beef Cattle written by Danielle Laura Glanc and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A high moisture corn/soybean meal-based finishing ration was used to examine the effects of roughage source (corn silage, alfalfa hay), level of dietary roughage (8, 16, 24%), and ractopamine supplementation (none, Optaflexx) on growth performance, carcass traits, and beef quality for finishing 108 steers and 24 heifers (initial BW = 308 kg). Cattle were allocated by gender to 12 management regimen subclasses. Optaflexx (trade name for ractopamine hydrochloride) was fed over the last 28 d on feed with cattle marketed after common days on feed. Growth performance (ADG, feed intake, and feed efficiency) and carcass traits were assessed on an individual animal basis. A primal rib and semitendinosus (ST) muscle from each animal were processed at the University of Guelph Meat Laboratory for carcass and meat quality evaluations. Tenderness was determined using shear force assessment of product aged 7, 14, and 21 d. Average daily gains were similar (P > 0.27) across main effects while use of corn silage as the roughage source decreased (P 0.001) dry matter intake and improved (P 0.001) feed efficiency compared to feeding alfalfa hay. Roughage level and beta agonist supplementation did not affect (P 0.13) dry matter intake or feed efficiency. When the last 28 days on feed were examined, Optaflexx supplementation increased (P 0.001) weight change, ADG, and improved feed conversion, while DMI remained unchanged (P 0.373). Carcass traits including hot carcass weight, grade fat, longissimus muscle area, marbling, and body composition as assessed by rib dissection (% lean, fat, bone) were not affected (P 0.14) by roughage level, source, or use of Optaflexx. Fat partitioning and liver abscess scores were unaffected (P > 0.09) by source and level of roughage fed, and use of Optaflexx. Source and level of dietary roughage did not affect color (P > 0.21) or shear force (P > 0.20) values for longissimus (LM) and semitendinosus (ST) steaks. Lower DMI and better feed conversion can be achieved using corn silage as the roughage source, while inclusion of up to 24% roughage in finishing diets may not negatively impact gains, carcass characteristics or beef quality. Beef producers may be able to increase amounts of roughage in the diet to lower cost of production without compromising growth performance and carcass and meat quality.

Effects of Feeding Ractopamine (Paylean®) to Immunologically Castrated (Improvest®) Pigs on Growth Performance, Carcass Yields, and Further Processing Characteristics

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Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (932 download)

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Book Synopsis Effects of Feeding Ractopamine (Paylean®) to Immunologically Castrated (Improvest®) Pigs on Growth Performance, Carcass Yields, and Further Processing Characteristics by :

Download or read book Effects of Feeding Ractopamine (Paylean®) to Immunologically Castrated (Improvest®) Pigs on Growth Performance, Carcass Yields, and Further Processing Characteristics written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effect of a Low Sodium Curing Solution on Further Processed Hams and Bellies from Purebred Berkshire Pigs Fed a Step-up Ractopamine Feeding Program

Download The Effect of a Low Sodium Curing Solution on Further Processed Hams and Bellies from Purebred Berkshire Pigs Fed a Step-up Ractopamine Feeding Program PDF Online Free

Author : Benjamin M. Bohrer
Publisher :
ISBN 13 :
Total Pages : 107 pages
Book Rating : 4.:/5 (858 download)

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Book Synopsis The Effect of a Low Sodium Curing Solution on Further Processed Hams and Bellies from Purebred Berkshire Pigs Fed a Step-up Ractopamine Feeding Program by : Benjamin M. Bohrer

Download or read book The Effect of a Low Sodium Curing Solution on Further Processed Hams and Bellies from Purebred Berkshire Pigs Fed a Step-up Ractopamine Feeding Program written by Benjamin M. Bohrer and published by . This book was released on 2013 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The objective of the first study was to summarize previous literature, using a meta-analysis approach, on the effects of ractopamine hydrochloride (RAC) when fed at doses of 5 to 10 mg/kg for up to 35 days prior to harvest on carcass cutability and belly quality of finishing pigs. The objective of the second study was to determine the effect of a lower sodium curing solution on processing characteristics of hams and bellies from purebred Berkshire pigs fed a step-up RAC feeding program or a negative control diet. The first study reported that RAC pigs when compared to control pigs had a carcass cutting yield advantage of 1.01 percentage units (74.70% vs. 73.69%, respectively; P= 0.02; SED = 0.33) and a bone in lean cutting yield advantage of 1.10 percentage units (61.43% vs. 60.33%, respectively; P = 0.03; SED = 0.40). When further evaluated, RAC pigs had a boneless shoulder (Boston butt + picnic) yield advantage of 0.32 percentage units (P 0.01; SED = 0.11), a boneless loin (Canadian back + tenderloin + sirloin) yield advantage of 0.43 percentage units (P = 0.01; SED = 0.13), and a boneless ham (inside + outside + knuckle) yield advantage of 0.51 percentage units (P

Growth Performance, Carcass Composition, and Protein Retention of Rats Receiving Individual Ractopamine Stereoisomers After Intraperitoneal Administration

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Author : Emily Antonia Ricke
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.:/5 (376 download)

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Book Synopsis Growth Performance, Carcass Composition, and Protein Retention of Rats Receiving Individual Ractopamine Stereoisomers After Intraperitoneal Administration by : Emily Antonia Ricke

Download or read book Growth Performance, Carcass Composition, and Protein Retention of Rats Receiving Individual Ractopamine Stereoisomers After Intraperitoneal Administration written by Emily Antonia Ricke and published by . This book was released on 1996 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Influence of a Low Energy Diet Within Berkshire Genetics on Associated Effects of Growth, Composition, and Quality

Author : Megan Josephine Bishop
Publisher :
ISBN 13 :
Total Pages : 69 pages
Book Rating : 4.:/5 (77 download)

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Book Synopsis Influence of a Low Energy Diet Within Berkshire Genetics on Associated Effects of Growth, Composition, and Quality by : Megan Josephine Bishop

Download or read book Influence of a Low Energy Diet Within Berkshire Genetics on Associated Effects of Growth, Composition, and Quality written by Megan Josephine Bishop and published by . This book was released on 2011 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Two experiments, using 140 purebred Berkshires and 60 Berkshire influenced pigs, were conducted to evaluate the influence of dietary energy on growth performance and resulting carcass characteristics of Berkshire and Berkshire influenced pigs. Pigs were blocked by litter and randomly allotted to four pens upon entering the growing-finishing barn to one of four treatments; 6 month low energy (6LE), 6 month standard energy (6ST), 7 month low energy (7LE), and 7 month standard energy (7ST). The 6ST and 7LE treatments were designed to achieve a live weight of approximately 113 kg at time of harvest. Individual pig weights and pen feed disappearance were measured weekly to calculate ADG, ADFI, and G:F. Monthly, carcass composition was assessed using ultrasonic measurement for 10th rib backfat and loin muscle area (LMA). Final ultrasonic measurements for backfat and LMA prior to harvest were utilized for carcass composition characteristics. A three rib section of the longissimus muscle, composed of the 10th, 11th, and 12th, rib and a six square inch belly sample were collected from the right side of each carcass. Each loin section was evaluated for final pH, subjective and objective color, marbling scores, and IMF. A subcutaneous fat sample from each loin and belly were also used to determine SFA, MUFA, and PUFA as indication of fat quality using near-infrared spectroscopy. As expected pigs receiving the low energy diet (6LE and 7LE) had lower (P

Effect of Dietary L-carnitine on Finishing Pig Growth Performance, Meat Quality, and Stress Parameters During Handling

Author : Bradley William James
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (355 download)

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Book Synopsis Effect of Dietary L-carnitine on Finishing Pig Growth Performance, Meat Quality, and Stress Parameters During Handling by : Bradley William James

Download or read book Effect of Dietary L-carnitine on Finishing Pig Growth Performance, Meat Quality, and Stress Parameters During Handling written by Bradley William James and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Four experiments were conducted to determine the interactive effects of dietary L-carnitine and ractopamine HCl (ractopamine) on finishing pig growth performance. In analysis of treatments common to all experiments, ractopamine increased (P