scholarly journals Effect of Natural Sorbents in the Diet of Fattening Pigs on Meat Quality and Suitability for Processing

Animals ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 2930
Author(s):  
Mateusz Ossowski ◽  
Łukasz Wlazło ◽  
Bożena Nowakowicz-Dębek ◽  
Mariusz Florek
Keyword(s):  
Oxidative Stability ◽  
Skeletal Muscles ◽  
Control Group ◽  
Meat Industry ◽  
Natural Sorbents ◽  
Instrumental Color ◽  
Future Production ◽  
Texture Parameters ◽  
Longissimus Lumborum ◽  
Production Cycles

The effect of three natural sorbents added to the diet of pigs on the composition and physicochemical properties of two skeletal muscles—the musculus longissimus lumborum (MLL) and musculus semimembranosus (MSM) of crossbred pigs were evaluated. The experiment was carried out on a farm in two production cycles. The addition of biochar (trial 1) significantly influenced instrumental color parameters, shear force and energy, and the oxidative stability of the skeletal muscles, while the proximate composition, pH, texture, and water-holding capacity (WHC) parameters did not differ significantly between groups in either of the two muscles. Similarly, no statistical differences were noted in the proximate chemical composition, texture parameters, or WHC of the meat in trial 2. The addition of both sorbents was associated with a significantly (p ≤ 0.01) lower content of haem pigments in the MLL and MSM, which was accompanied by a significantly (p ≤ 0.05) higher lightness (L*). Moreover, the MLL muscle of the pigs had higher oxidative stability, as well as lower drip loss (DL). In turn, the MSM of pigs had a significantly lower pH compared to the control group, however, the ultimate pH (48 h) in all groups was within the acceptable range (5.50–5.80). Summing up, the sorbents used are a safe ingredient in the diet of pigs, however, there is a need to continue and strengthen this line of research, including the relationships linking the future production goals of pig farming and processing potential in the meat industry with current climate policy.

scholarly journals Potential Application of Cornelian Cherry Extract on Broiler Chickens: Growth, Expression of Antioxidant Biomarker and Glucose Transport Genes, and Oxidative Stability of Frozen Meat

Animals ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 1038
Author(s):  
Doaa Ibrahim ◽  
Amira Moustafa ◽  
Aya Sh. Metwally ◽  
Mohamed A. Nassan ◽  
Karima Abdallah ◽  
...  
Keyword(s):  
Oxidative Stability ◽  
Broiler Chickens ◽  
Radical Scavenging ◽  
Reducing Power ◽  
Poultry Feed ◽  
Total Phenolic ◽  
Control Group ◽  
Breast Meat ◽  
Antioxidant Genes ◽  
Cornelian Cherry

The use of natural plant extracts in poultry feed could improve their productivity as well as the oxidative stability of stored derived meat. The roles of cornelian cherry extract (CCE) in growth, cecal microbes, and meat antioxidative markers of broiler chickens were evaluated. A total of 500 Ross 308 broiler chicks were fed diets supplemented with CCE (0, 50, 100, 200, 400 mg/kg of diet) for 38 days. The highest levels of weight gain and feed utilization were observed in a group fed 200 mg/kg of CCE. Maximum upregulation of glucose transporters—1 and 2 and sodium-dependent glucose transporter genes—were found in the group fed 200 mg/kg of CCE. Lactobacilli and Bifidobacterium colonization increased as the CCE levels increased. The greatest upregulation of antioxidant genes (glutathione peroxidase, catalase, and superoxide dismutase) in breast meat was observed in groups fed CCE (200 and 400 mg/kg). Dietary CCE significantly delayed the lipid oxidation of breast meat compared with that of the control group. The total phenolic content, 2,2-Diphenyl-1-Picrihydrzyl (DPPH) radical scavenging activity and reducing power in meat improved with higher levels of CCE. Dietary CCE improved the growth, performance of broilers, and meat antioxidant stability after 90 days of storage.

scholarly journals Histochemical muscle fibre characteristics of German Heath lamb meat

2015 ◽  
Vol 84 (3) ◽  
pp. 297-303
Author(s):  
Milena Fantová ◽  
Martin Ptáček ◽  
Klára Michnová ◽  
Lenka Nohejlová ◽  
Jaromír Ducháček
Keyword(s):  
Fibre Type ◽  
Quadriceps Femoris ◽  
Cross Sectional Area ◽  
Meat Industry ◽  
Sectional Area ◽  
Cross Sectional ◽  
Type Distribution ◽  
Fibre Type Distribution ◽  
Longissimus Lumborum ◽  
German Origin

Histochemical characteristics of muscle were evaluated in 12 German Heath lambs (6 males and 6 females). The lambs were slaughtered at the age of 150 days and samples of musculus longissimus lumborum et thoracis and quadriceps femoris were collected and measurements of fibre cross sectional area (µm2), diameter (µm2), and perimeter (µm2) were performed. Subsequently the fibre type distribution (%) was calculated. The dataset was evaluated using SAS 9.3. Significantly higher (P < 0.05) cross sectional area, diameter, and perimeter attributes were observed in females compared to males. Significant differences (P < 0.05 to 0.01) were observed in fibre type distribution between musculus longissimus lumborum et thoracis and quadriceps femoris muscle. The presented study describes evaluation of morphological formation of skeletal muscle tissue performed on a sheep breed of German origin. The results may be useful for meat scientists or meat industry due to close connection of these characteristics to meat quality.

scholarly journals The Use of Natural Sorbents to Reduce Ammonia Emissions from Cattle Faeces

Agronomy ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 2543
Author(s):  
Agnieszka Szymula ◽  
Łukasz Wlazło ◽  
Naďa Sasáková ◽  
Wioletta Wnuk ◽  
Bożena Nowakowicz-Dębek
Keyword(s):  
Dairy Cows ◽  
Animal Production ◽  
Control Group ◽  
Ammonia Emissions ◽  
Natural Sorbents ◽  
Holstein Friesian ◽  
Faecal Samples ◽  
Effective Reduction ◽  
Cattle Faeces ◽  
Cattle Farms

Intensification of animal production leads to an increase in ammonia emissions into the environment. For this reason, various methods and strategies are sought to reduce ammonia emissions from faeces. The aim of the study was to test the possibility of using natural sorbents and sorbent mixtures to reduce ammonia emissions from cattle faeces. Faecal samples for analysis were collected from Holstein-Friesian dairy cows during the winter. The amount of ammonia emissions from cow faeces was determined every seven days, after mixing the faeces with a mixture of selected sorbents. All of the sorbents used have the potential to remove ammonia. The most effective reduction in ammonia was achieved using biochar and a mixture of bentonite with zeolite. The reduction in these groups was 42.56% and 24.56%, respectively, relative to the control group. The results indicate that these sorbents can be used to reduce ammonia emissions from cattle farms.

scholarly journals The effect of lycopene and vitamin E on the growth performance, quality and oxidative stability of chicken leg meat

2011 ◽  
Vol 56 (No. 12) ◽  
pp. 536-544 ◽  
Author(s):  
M. Englmaierová ◽  
I. Bubancová ◽  
T. Vít ◽  
M. Skřivan
Keyword(s):  
Body Weight ◽  
Vitamin E ◽  
Oxidative Stability ◽  
Dry Matter ◽  
Growth Traits ◽  
Cholesterol Content ◽  
The Body ◽  
Control Treatment ◽  
Dietary Vitamin ◽  
Control Group

&nbsp;A 2 &times; 3 factorial design experiment was conducted to evaluate the effect of adding lycopene <br />(0 and 75 mg/kg) and vitamin E (0.50 and 100 mg/kg) to the diet of chickens. Moreover, the study investigated growth traits, oxidative stability and chemical composition of leg meat and the vitamin content of meat and liver. The study was conducted using five hundred and forty Ross 308 male broilers that were assigned to one of the six dietary treatments. Significant interactions between lycopene and vitamin E additions affected the body weight of 21-days-old chickens (P = 0.005), the malondialdehyde content in fresh leg meat (P &lt; 0.001) and leg meat stored for 3 days at temperatures of 2.5 to 4&deg;C (P = 0.032), the cholesterol content in leg meat (P &lt; 0.001) and the lycopene content in liver (P = 0.006). The chickens with the highest body weight were fed 75 mg/kg of lycopene and 50 mg/kg of vitamin E. The vitamin E supplement increased the oxidative stability of fresh and stored leg muscle (P &lt; 0.001). The lowest mean cholesterol value (3.49 g/kg of dry matter) was found out in the meat from broilers that were fed 75 mg/kg of lycopene in contrast to broilers fed the control treatment without lycopene (3.93 g/kg of dry matter). Dietary vitamin E significantly reduced the fat content (P = 0.033) and increased the ash content of&nbsp;leg meat. The highest lycopene concentration in liver (2.82 mg/kg of dry matter) was in chickens that were fed the highest levels of vitamin E and lycopene in contrast with the control group (0.28 mg/kg of dry matter). &nbsp;

scholarly journals Color attributes and oxidative stability of longissimus lumborum and psoas major muscles from Nellore bulls

Meat Science ◽  
2016 ◽  
Vol 121 ◽  
pp. 19-26 ◽  
Author(s):  
Anna C.V.C.S. Canto ◽  
Bruno R.C. Costa-Lima ◽  
Surendranath P. Suman ◽  
Maria Lucia G. Monteiro ◽  
Fernanda M. Viana ◽  
...  
Keyword(s):  
Oxidative Stability ◽  
Longissimus Lumborum ◽  
Psoas Major

scholarly journals The effect of a high dose of 3-hydroxy-3-methylbutyrate on protein metabolism in growing lambs

1997 ◽  
Vol 77 (6) ◽  
pp. 885-896 ◽  
Author(s):  
Isabelle Papet ◽  
Piotr Ostaszewski ◽  
Francoise Glomot ◽  
Christiane Obled ◽  
Magali Faure ◽  
...  
Keyword(s):  
Protein Synthesis ◽  
Amino Acid ◽  
Free Amino Acid ◽  
Protein Metabolism ◽  
Free Amino ◽  
Skeletal Muscles ◽  
Whole Body ◽  
Control Group ◽  
High Dose ◽  
Body Protein

AbstractThe effect of a high dose of 3-hydroxy-3-methylbutyrate (HMB, a leucine catabolite) on protein metabolism was investigated in growing male lambs fed on hay and concentrate. Concentrate was supplemented with either Ca(HMB)2 (4g/kg) or Ca(C03)2 in experimental (HMB) and control groups respectively. Both groups consisted of six 2-month old lambs. Three complementary methods to study protein metabolism were carried out consecutively 2·5 months after beginning the dietary treatment: whole body phenylalanine fluxes, postprandial plasma free amino acid time course and fractional rates of protein synthesis in skeletal muscles. Feeding a high dose of HMB led to a significant increase in some plasma free amino acids compared with controls. Total, oxidative and non-oxidative phenylalanine fluxes were not modified by dietary HMB supplementation. Similarly, an acute infusion of HMB, in the control group, did not change these fluxes. In skeletal muscles, fractional rates of protein synthesis were not affected by long-term dietary supplementation with HMB. Taken together our results showed that administration of a high dose of HMB to lambs was able to modify plasma free amino acid pattern without any effect on whole-body protein turnover and skeletal muscle protein synthesis

scholarly journals Effect of Aloe Vera Extract on Reducing Aflatoxin B1 in Eggs of Laying Hen and Egg Yolk Oxidative Stability

2021 ◽  
Vol 11 (5) ◽  
pp. 12680-12688
Keyword(s):  
Lipid Peroxidation ◽  
Oxidative Stability ◽  
Aflatoxin B1 ◽  
Aloe Vera ◽  
Egg Yolk ◽  
Positive Control ◽  
Laying Hen ◽  
Positive Control Group ◽  
Control Group ◽  
Control Groups

Aloe vera extract's effect on Aflatoxin B1 (AFB1) residue and yolk oxidative stability was examined in yolk samples. The results indicated that residue of AB1 in AF-Aloe (100 and 300 ppm) treated groups were lower than the control groups on day 14 and was not detected on day 28. The lipid peroxidation level in all groups was significantly (p<0.05) lower than the positive control group. The weight, production, and carotenoid of eggs were not statistically significant between the groups. These results indicate that Aloe vera extract can be effective in diminishing AFB1.

scholarly journals PO-063 Exercise alleviates insulin resistance by regulating MG53 and IR/IRS/AKT/mTOR signaling in db/db mice skeletal muscle

2018 ◽  
Vol 1 (3) ◽  
Author(s):  
Yi Zhang ◽  
Shuzhe Ding ◽  
Yi Sun
Keyword(s):  
Insulin Resistance ◽  
Muscle Atrophy ◽  
Insulin Signaling ◽  
Skeletal Muscles ◽  
Treadmill Exercise ◽  
Tolerance Test ◽  
Exercise Group ◽  
Control Group ◽  
Insulin Tolerance ◽  
Lipid Parameters

Objective In the current study, we aim to investigate whether 12-week treadmill exercise alleviates insulin resistance and muscle atrophy, and to explore whether MG53 along with IR/IRS/AKT/mTOR cascade play a role in the physiopathological changes of db/db mice. Methods 20 db/db mice and 20 age-matched non-diabetic m/m mice were assigned to 4 groups as MC (m/m control) group, ME (m/m exercise) group, DC (db/db control) group and DE (db/db exercise) group. After an intervention of treadmill exercise of moderate intensity for 12 weeks, glucose and insulin tolerance tests, insulin resistance index (HOMA-IR, homeostasis model assessment of insulin resistance) and lipid metabolic profile were determined using blood samples. Skeletal muscles were utilized for determination of cross-sectional area (CSA), protein level detection of MG53 and insulin signaling pathway. Results Compared with MC mice, the AUC (areas under curve) of IPGTT (intraperitoneal glucose tolerance test) and IPITT (intraperitoneal insulin tolerance test) as well as HOMA-IR were significantly increased, and lipid parameters (serum triglyceride and total cholesterol) increased significantly in DC group. The upregulation of MG53 protein in different skeletal muscles (quadriceps, gastrocnemius and soleus muscle) could be observed in DC mice. Phosphorylated proteins of IR-β (β subunit of insulin receptor), IRS1, AKT (protein kinase B), mTOR (mammalian target of rapamycin), p70S6k and S6 ribosomal protein after acute insulin stimulation were downregulated with significance, whereas no significant difference was found in total protein levels of IR-β and AKT except IRS1 in DC group. The results of AUC of IPGTT and IPITT, HOMA-IR and serum lipid parameters in DE group were significantly decreased compared with DC group. 12-week moderate exercise was sufficient to downregulate the expression of MG53 in skeletal muscles of diabetic db/db mice. In addition, treadmill exercise-induced improvement of insulin signal transduction and insulin-dependent protein synthesis may partially account for the heavier muscle mass and larger muscle size. Conclusions In summary, insulin resistance and muscle atrophy of diabetic db/db mice could be effectively attenuated by 12-week moderate treadmill exercise by regulating MG53, MG53-mediated ubiquitin-dependent degradation of IRS1 and insulin signaling transduction.

scholarly journals Impact of Fermented or Enzymatically Fermented Dried Olive Pomace on Growth, Expression of Digestive Enzyme and Glucose Transporter Genes, Oxidative Stability of Frozen Meat, and Economic Efficiency of Broiler Chickens

2021 ◽  
Vol 8 ◽  
Author(s):  
Doaa Ibrahim ◽  
Amira Moustafa ◽  
Sara E. Shahin ◽  
Wafaa R. I. A. Sherief ◽  
Karima Abdallah ◽  
...  
Keyword(s):  
Oxidative Stability ◽  
Economic Efficiency ◽  
Broiler Chickens ◽  
Frozen Storage ◽  
Poultry Feed ◽  
Total Phenolic ◽  
Control Group ◽  
Olive Pomace ◽  
Breast Meat ◽  
Genes Encoding

The use of dried olive pomace as complementary energy sources in poultry feed is still limited due to its low protein and high fiber contents. Bioconversion of olive pomace through solid-state fermentation with or without exogenous enzymes is considered as a trial for improving its nutritional value. This study aimed to evaluate the effects of fermented olive pomace with or without enzymatic treatment on the growth, modulations of genes encoding digestive enzymes and glucose transporters, meat oxidative stability, and economic efficiency of broiler chickens. A total of 1400 day-old broiler chicks (Ross 308) were randomly allocated to seven dietary treatments with 10 replicates of 20 birds/replicate. Treatments included control (basal corn–soybean diet) and other six treatments in which basal diet was replaced by three levels (7.5, 15, and 30%) of fermented olive pomace (FOPI) or enzymatically fermented olive pomace (FOPII) for 42 days. The highest body weight gain was observed in groups fed 7.5 and 15% FOPII (increased by 6.6 and 12.5%, respectively, when compared with the control group). Also, feeding on 7.5 and 15% FOPII yielded a better feed conversion ratio and improved the digestibility of crude protein, fat, and crude fiber. The expression of the SGLT-1 gene was upregulated in groups fed FOPI and FOPII when compared with the control group. Moreover, the expression of the GLUT2 gene was elevated in groups fed 7.5 and 15% FOPII. By increasing the levels of FOPI and FOPII in diets, the expression of genes encoding pancreatic AMY2A, PNLIP, and CCK was upregulated (p &lt; 0.05) when compared with the control. Fat percentage and cholesterol content in breast meat were significantly reduced (p &lt; 0.05) by nearly 13.7 and 16.7% in groups fed FOPI and FOPII at the levels of 15 and 30%. Total phenolic and flavonoid contents in breast meat were significantly increased in groups fed 15 and 30% FOPI and FOPII when compared with the control group and even after a long period of frozen storage. After 180 days of frozen storage, the inclusion of high levels of FOP significantly increased (p &lt; 0.05) the levels of glutathione peroxide and total superoxide dismutase and meat ability to scavenge free radical 1,1-diphenyl-2-picrylhydrazyl. Furthermore, the highest net profit and profitability ratio and the lowest cost feed/kg body gain were achieved in groups fed 7.5 and 15% of FOPII, respectively. The results of this study indicated that dietary inclusion of 15% FOPII could enhance the growth performance and economic efficiency of broiler chickens. Moreover, a higher inclusion level of FOPI or FOPII could enhance the quality and increase the oxidative stability of frozen meat and extend the storage time.

scholarly journals Salep Kullanımının Fermente Türk Sucuğu Kalite Parametreleri Üzerine Etkisi

2018 ◽  
Vol 6 (2) ◽  
pp. 219
Author(s):  
İsmail Gök ◽  
Birol Kılıç ◽  
Cem Okan Özer
Keyword(s):  
Shelf Life ◽  
Storage Period ◽  
Quality Parameters ◽  
Control Group ◽  
Meat Industry ◽  
Treatment Groups ◽  
Ph Values ◽  
Tbars Values ◽  
And Storage ◽  
All Treatment

The aim of this study, the effect of addition to salep at different concentrations (2.5, 5, 7.5 and 10%) into sucuk on physicochemical, textural and sensorial properties were investigated at d fermentation and storage periods (5., 10., 20. ve 30. days). The results indicated that TBARS values gradually increased during fermentation and storage periods in all treatment groups. However, addition of 10% salep decreased TBARS values compared to control group at the end of fermentation and storage period. pH values of sucuks were decreased with addition of salep. Higher L* values were observed in sucuk with 10% salep at the end of the fermentation and storage period. Increasing levels of salep in sucuk formulation caused an increase in hardness and ash values, a decrease in moisture values in sucuk. The results of this study indicated that salep may be used in sucuk manufacture by the meat industry to improve shelf-life and quality parameters of the product.

Sign in / Sign up

Export Citation Format

Share Document