scholarly journals Estimation of Correlation Coefficients between Histological Parameters and Carcass Traits of Pig Longissimus Dorsi Muscle

2004 ◽  
Vol 17 (3) ◽  
pp. 428-433 ◽  
Author(s):  
Y. C. Ryu ◽  
M. S. Rhee ◽  
B. C. Kim
Keyword(s):  
Carcass Traits ◽  
Correlation Coefficients ◽  
Longissimus Dorsi ◽  
Longissimus Dorsi Muscle ◽  
Dorsi Muscle

Changes in Carcass Traits, Meat Quality, Muscle Fiber Characteristics and Liver Function of Finishing Pigs Fed High Level of Fish Oil

2021 ◽  
Author(s):  
Qiuping Guo ◽  
Lingyu Zhang ◽  
Yehui Duan ◽  
Wenlong Wang ◽  
Ruilin Huang ◽  
...  
Keyword(s):  
Liver Function ◽  
Fish Oil ◽  
Muscle Fiber ◽  
Carcass Traits ◽  
Basal Diet ◽  
Longissimus Dorsi ◽  
Fresh Fish ◽  
Longissimus Dorsi Muscle ◽  
Dorsi Muscle ◽  
Oxidized Fish Oil

The study was aimed to investigate the changes in carcass traits, meat quality, muscle fiber characteristics and liver function in pigs fed with high levels of fresh fish oil and oxidized fish oil. Thirty piglets were randomly assigned to receive basal diet plus 2% fish oil (LFO), basal diet plus 8% fish oil (HFO) or basal diet plus 8% oxidized fish oil (OFO) for 120 days. Pigs of the HFO and OFO group showed reduced carcass weight, dressing percentage, loin eye area and increased yellowness of the longissimus dorsi muscle compared with LFO group (P < 0.05). Dietary HFO and OFO suppressed the relative expression levels of myosin heavy chain (MyHC) isoform (Ⅰ and Ⅱa), glutathione peroxidase 4, and NAD(P)H: quinone oxidoreductase-1 and mitochondrial biogenesis in longissimus dorsi muscle (P < 0.05). Dietary HFO or OFO increased the serum aspartates aminotransferase, alanine aminotransferase, total bilirubin, direct bilirubin, oxidized low-density lipoprotein, liver index and concentration of malondialdehyde (MDA) in liver (P < 0.05). In conclusion, high levels of fresh fish oil and oxidized fish oil have adverse effects on carcass traits, muscle fiber characteristics and liver function, which may be partly due to the mitochondrial dysfunction and impaired antioxidative capacity.

scholarly journals SOME CARCASS TRAITS OF RED SOKOTO GOAT OF NIGERIA

2021 ◽  
Vol 7 (1) ◽  
pp. 58-62
Author(s):  
I. F. Adu ◽  
W. L. Brinckman
Keyword(s):  
Carcass Traits ◽  
Longissimus Dorsi ◽  
Meat Production ◽  
Longissimus Dorsi Muscle ◽  
Dorsi Muscle ◽  
Good Potential ◽  
Red Sokoto Goat

A study was conducted to investigate the meat producing potential of the Red Sokoto goat of Nigeria. The twelve Red Sokoto male goats used were slaughtered at an average age of 3 years and liveweight of 27.63kg. The dressing out percentage was 49.3%. The bone to meat ratio of the leg and loin cuts was 0.28. The longissimus dorsi muscle was 10.53 cm2. It is concluded that the Red Sokoto goat has a good potential for meat production. More detailed studies are, howeverneeded in order to exploit the fattening ability of the breed under range and feedlot conditions. 

Reliability of ultrasound-measured muscle thickness of the longissimus dorsi muscle in Thoroughbreds

2012 ◽  
Vol 8 (3-4) ◽  
pp. 189-194 ◽  
Author(s):  
T. Abe ◽  
C.F. Kearns ◽  
B. Rogers
Keyword(s):  
Intraclass Correlation ◽  
Correlation Coefficients ◽  
Muscle Thickness ◽  
Fat Free Mass ◽  
Longissimus Dorsi ◽  
Systematic Bias ◽  
Longissimus Dorsi Muscle ◽  
Intraclass Correlation Coefficients ◽  
Dorsi Muscle ◽  
T1 And T2

The purpose of this study was to determine the reliability of B-mode ultrasound measured muscle thickness of the longissimus dorsi muscle in horses. Thirteen Thoroughbreds (5 colts, 5 fillies and 3 mares) had their muscle thickness measured by B-mode ultrasound at four sites; the longissimus dorsi (LD at 30%, 50% and 70% of back length) and extensor carpi radialis (ECR) muscle on two separate test sessions (T1 and T2). Paired t-tests revealed that there was no systematic bias in any of the muscle thickness measures. There were high intraclass correlation coefficients between the LD muscle thickness at 30, 50 and 70% of back length obtained at the T1 and T2 measurements (range: 0.95-0.98). The ECR muscle thickness was positively correlated to body weight and fat-free mass while LD muscle thickness at 50% and 70% of back length did not correlate to body dimensions. Our results suggest that ultrasound measures of muscle thickness of the LD and ECR muscles are reliable and repeatable when taken with the horse standing in a relaxed and evenly balanced position.

scholarly journals The effects of probe type and intensity of ultrasound on accuracy of intramuscular fat prediction in longissimus dorsi muscle of pigs

2007 ◽  
Vol 23 (5-6-1) ◽  
pp. 87-95 ◽  
Author(s):  
I. Bahelka ◽  
J. Tomka ◽  
E. Hanusová
Keyword(s):  
Correlation Coefficients ◽  
Intramuscular Fat ◽  
Longissimus Dorsi ◽  
Probe Type ◽  
Cross Sectional ◽  
Longissimus Dorsi Muscle ◽  
Dorsi Muscle ◽  
Ultrasound Intensity ◽  
Imf Content ◽  
Intramuscular Fat Content

This study evaluates the possibility of intramuscular fat prediction in live pigs using two different ultrasound probes (3.5 and/or 5.0 MHz) at three various levels of total ultrasound intensity. One hundred and forty-five hybrid pigs were weighed and scanned one to three days before slaughter by device ALOKA SSD 500. Each pig was scanned by both probes but at different levels of intensity. Cross-sectional images of longissimus dorsi muscle were processed by video image analysis for prediction of intramuscular fat content. Day after slaughter a sample of longissimus dorsi muscle was taken for laboratory analysis of true content of intramuscular fat. Correlation coefficients between predicted and true IMF content were calculated. Better results were achieved by probe 3.5 MHz than 5.0 MHz. Statistically significant correlation was found between analyzed IMF and estimated one at intensity of 80 % (r = 0.31), less significant at intensity of 75 % (r = 0.20). After the improvement of accuracy of data proccessing and evaluation of sonographic images the ultrasound prediction of intramuscular fat in live pigs is feasible.

A Technique for Measuring the Cross-Sectional Axes of the Longissimus Dorsi Muscle and Fat Depth in Lambs1,2

1960 ◽  
Vol 19 (3) ◽  
pp. 803-809
Author(s):  
D. J. Matthews ◽  
R. A. Merkel ◽  
J. D. Wheat ◽  
R. F. Cox
Keyword(s):  
Longissimus Dorsi ◽  
Cross Sectional ◽  
Longissimus Dorsi Muscle ◽  
Dorsi Muscle ◽  
The Cross

Intrauterine Growth Restriction Alters the Genome-Wide DNA Methylation Profiles in Small Intestine, Liver and Longissimus Dorsi Muscle of Newborn Piglets

2019 ◽  
Vol 20 (7) ◽  
pp. 713-726 ◽  
Author(s):  
Shiyu Tao ◽  
Tianjiao Zhou ◽  
Perot Saelao ◽  
Ying Wang ◽  
Yuhua Zhu ◽  
...  
Keyword(s):  
Small Intestine ◽  
Birth Weight ◽  
Intrauterine Growth Restriction ◽  
Longissimus Dorsi ◽  
Intrauterine Growth ◽  
Longissimus Dorsi Muscle ◽  
Newborn Piglets ◽  
Dorsi Muscle ◽  
Genome Wide ◽  
Differentially Methylated Genes

Intrauterine growth restriction (IUGR) remains a major problem in swine production since the associated low birth weight leads to high rates of pre-weaning morbidity and mortality, and permanent retardation of growth and development. The underlying regulatory mechanisms from the aspects of epigenetic modification has received widespread attention. Studies explore the changes in genome wide methylation in small intestine (SI), liver and longissimus dorsi muscle (LDM) between IUGR and normal birth weight (NBW) newborn piglets using a methylated DNA immunoprecipitation-sequencing (MeDIP-Seq) approach. The data demonstrated that methylated peaks were prominently distributed in distal intergenic regions and the quantities of peaks in IUGR piglets were more than that of NBW piglets. IUGR piglets had relatively high methylated level in promoters, introns and coding exons in all the three tissues. Through KEGG pathway analysis of differentially methylated genes found that 33, 54 and 5 differentially methylated genes in small intestine, liver and longissimus dorsi muscle between NBW and IUGR piglets, respectively, which are related to development and differentiation, carbohydrate and energy metabolism, lipid metabolism, protein turnover, immune response, detoxification, oxidative stress and apoptosis pathway. The objective of this review is to assess the impact of differentially methylation status on developmental delay, metabolic disorders and immune deficiency of IUGR piglets.

scholarly journals PSII-22 Comparison of the meat quality traits of crossbred pigs and the Large Black pigs

2019 ◽  
Vol 97 (Supplement_3) ◽  
pp. 241-242
Author(s):  
Yongjie Wang ◽  
Keshari Thakali ◽  
Sarah Shelby ◽  
Jason Apple ◽  
Yan Huang
Keyword(s):  
Meat Quality ◽  
Genomic Diversity ◽  
Longissimus Dorsi ◽  
Rna Seq ◽  
Longissimus Dorsi Muscle ◽  
A Value ◽  
Dorsi Muscle ◽  
Body Weights ◽  
C Value ◽  
Crossbred Pigs

Abstract The purpose of this study was to compare the meat quality and genomic differences between cross-bred commercial pig (CP) and domestic Large Black pig (BP). Seven cross-bred commercial pigs and eight British Large Black pigs were assigned to CP group and BP group, with initial mean body weights of 18.82±1.412 kg for CP group and 23.31±1.935 kg for BP group, P = 0.061, and fed ad libitum. The final BW of the CP at d101 was similar to the BP (130.0±8.16 kg vs. 121.1±2.80 kg, P = 0.132). However, the BP group took 108 days to reach the final BW. The ADG in the CP was higher than BP (1.102±0.0599 kg vs. 0.905±0.0138 kg, P = 0.003). The hot carcass weight of CP was higher (P &lt; 0.01) than BP, but the backfat of BP was higher (P &lt; 0.01) than CP. The a* value of CP was higher (P &lt; 0.05) than BP, and the c* value of CP was tended to be higher (P &lt; 0.10) than BP. However, the h value of BP was higher (P &lt; 0.05) than CP. The longissimus dorsi muscle fat content of BP was higher (P &lt; 0.05) than CP. For the fatty acid composition, the SFA and MUFA of BP were higher (P &lt; 0.05) than CP, but the PUFA of CP was higher (P &lt; 0.05) than BP. The metmyoglobin content of CP was tended to be higher (P &lt; 0.10) than BP. For the meat metabolism, the oxygen consumption of longissimus dorsi muscle of BP was higher (P &lt; 0.01) than CP. The RNA-Seq data showed that the expression of the genes related to lipid metabolism is higher in BP (fold change &gt; 3, P &lt; 0.05). To conclude, BP has higher meat quality, while CP has its advantages in growth performance. And the differences between these two breeds may due to the genomic diversity.

Sign in / Sign up

Export Citation Format

Share Document