scholarly journals Meat Quality Parameters of Boschveld Indigenous Chickens as Influenced by Dietary Yellow Mealworm Meal

Foods ◽  
2021 ◽  
Vol 10 (12) ◽  
pp. 3094
Author(s):  
Letlhogonolo Selaledi ◽  
Josephine Baloyi ◽  
Christian Mbajiorgu ◽  
Amenda Nthabiseng Sebola ◽  
Henriette de Kock ◽  
...  
Keyword(s):  
Treatment Group ◽  
Meat Quality ◽  
Tenebrio Molitor ◽  
Quality Parameters ◽  
Control Group ◽  
Breast Meat ◽  
Yellow Mealworm ◽  
Indigenous Chickens ◽  
Breast Weight ◽  
Mealworm Larvae

An experiment was conducted to examine the effects of yellow mealworm larvae (Tenebrio molitor) meal inclusion in diets of indigenous chickens. A total of 160 mixed-sex indigenous Boschveld chickens were randomly divided into four categories: control soybean meal (SBM) and yellow mealworm with percentage levels of 5, 10 and 15 (TM5, TM10 and TM15, respectively). Five replicate pens per treatment were used, with eight birds per pen/replicate. On day 60, two birds from each replicate were slaughtered and eviscerated. Meat quality parameters were measured out on raw carcass and cooked breast meat. The carcass weight, breast weight and gizzard weight of the control group was higher (p < 0.05) than the treatment group (TM15). The cooking loss was lower (p < 0.05) in the SBM control group but higher in the TM15 group. Colour characteristics of breast meat before cooking was lighter in the TM10 and TM15 group, ranged from 61.7 to 69.3 for L* and was significant (p < 0.05). The TM10 and TM15 groups showed a lighter colour than the SBM and TM5 groups. The breast meat pH taken after slaughter was different (p < 0.05) in TM5 and TM15, with the highest reading (pH 6.0) in the TM5 group. In conclusion, our experiment indicated that dietary Tenebrio molitor in growing Boschveld indigenous chickens’ diets could be considered a promising protein source for Boschveld indigenous chickens.

scholarly journals Yellow mealworm (Tenebrio molitor L.) larvae inclusion in diets for free-range chickens: effects on meat quality and fatty acid profile

2019 ◽  
Vol 35 (5) ◽  
pp. 571-578 ◽  
Author(s):  
S. Dabbou ◽  
L. Gasco ◽  
C. Lussiana ◽  
A. Brugiapaglia ◽  
I. Biasato ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Meat Quality ◽  
Proximate Composition ◽  
Tenebrio Molitor ◽  
Quality Parameters ◽  
Poultry Feed ◽  
Control Group ◽  
Hybrid Female ◽  
Yellow Mealworm ◽  
Free Range

AbstractThis study evaluated the effects of a diet containing yellow mealworm (Tenebrio molitor L.; TM) larva meal on quality parameters (pH24, color and drip losses), proximate composition and fatty acid (FA) profile of meat from free-range chickens. A total of 140 medium-growing hybrid female chickens were free-range reared and randomly allotted to two dietary treatments: a control group and a TM group, in which TM meal was included at 75 g kg−1 as fed in substitution of corn gluten meal. Each group consisted of five pens as replicates, with 14 chicks per pen. At 97 days of age, ten birds (two birds/pen) from each feeding group were slaughtered at a commercial abattoir. Quality parameters and proximate composition of breast and thigh meat were not affected by treatment. The effects of dietary TM larva meal on the FA profile of thigh meat were negligible. Breast meat from TM-fed chickens showed higher oleic and α-linolenic acid percentages as well as lower atherogenicity and thrombogenicity indexes. In conclusion, this study demonstrated that TM inclusion in diets for free-range chickens did not prejudice meat quality traits. The obtained results confirm that TM can be considered a promising insect protein source for the poultry feed industry.

scholarly journals The effect of yellow mealworm larvae meal supplementation in broiler diets on meat quality

2021 ◽  
Vol 90 (3) ◽  
pp. 349-356
Author(s):  
Ondřej Šťastník ◽  
Jakub Novotný ◽  
Andrea Roztočilová ◽  
Miroslav Jůzl ◽  
Markéta Piechowiczová ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Meat Quality ◽  
Feed Intake ◽  
Live Weight ◽  
Tenebrio Molitor ◽  
Control Group ◽  
Breast Meat ◽  
Yellow Mealworm ◽  
Food Safety And Quality

The aim of this study was to evaluate the effect of Tenebrio molitor larvae meal supplementation in chicken diets on the chemical composition and sensory quality of meat. The experiment was conducted on 120 Ross 308 male broilers from day 12 to day 38 of their age. Broilers were divided into three equal groups with 5 replicates per treatment. The two experimental groups received feed mixtures containing 2% (TM2; n = 40) and 5% (TM5; n = 40), respectively of yellow mealworm (Tenebrio molitor L.) meal. The third group (TM0; n = 40) was control, receiving 0% of mealworms in diet. The addition of mealworm meal to diets in this trial do not worsen the chemical composition or sensory characteristics of the thigh meat of broilers. The control chickens had a higher live weight (P < 0.05) compared to the experimental groups at the end of the trial. The lowest live weight and feed intake was determined in group TM2 (P < 0.05). The highest feed intake (P < 0.05) was found in the control group. The breast meat from the control group was rated better (P < 0.05) in flavour compared to the groups receiving 2% and 5% of yellow mealworms. The primary requirement for the use of any ingredient in feed is that it does not adversely affect food safety and quality. In our study, the inclusion of 2% and 5% mealworm meal in the broiler’s diet had no influence on meat quality.

Carcass and meat quality characteristics of South African indigenous chickens

2016 ◽  
Author(s):  
Ramokone Motsepe ◽  
Monnye Mabelebele ◽  
David Norris ◽  
David Brown ◽  
Jones Ngambi ◽  
...  
Keyword(s):  
Meat Quality ◽  
Carcass Traits ◽  
Quality Characteristics ◽  
Chicken Breast ◽  
Breast Meat ◽  
Indigenous Chicken ◽  
Male And Female ◽  
Indigenous Chickens ◽  
Commercial Grower ◽  
Colour Parameters

The present study was performed to determine the carcass and meat quality characteristics of male and female Ovambo and Potchefstroom koekoek (PK) indigenous chickens. A total of 320 male and female day old Ovambo and PK were randomly assigned to a 2 (breed) × 2 (sex) factorial arrangement in a completely randomised design. The chickens were raised from day-old and fed on a commercial grower diet containing 11.5 MJ/ME kg DM and 20 % crude protein until 18 weeks of age. Carcass traits of the Ovambo and PK were similar; however, male chickens had higher carcass traits than their female counterparts. Breed, sex and time interactions influenced colour parameters of thigh and drumstick meat except redness (a*) and yellowness (b*) values of chicken breast meat. The pH varied significantly amongst the breeds, sex and time period. The sensory evaluations of the chicken breeds were observed to be similar. However, tenderness of the breast meat as measured by shear force was higher for PK than Ovambo chickens. Fatty acid profiles of the chickens were not affected by breed or sex. The ratios of n-6 and n-3 fatty acids were significantly lower in both breeds which are desirable in reducing the risk of many diseases. Ovambo and PK chickens showed good meat quality traits. This information can assist in promoting production of indigenous chicken lines in South Africa.

scholarly journals Effect of partial substitution of standard meal in chicken feed by rape seed on carcass and meat quality

2007 ◽  
Vol 23 (5-6-2) ◽  
pp. 323-329
Author(s):  
N. Dzinic ◽  
Lj. Petrovic ◽  
V. Tomovic ◽  
T. Tasic ◽  
S. Filipovic
Keyword(s):  
Meat Quality ◽  
Corn Germ ◽  
Partial Substitution ◽  
Chicken Breast ◽  
Control Group ◽  
Breast Meat ◽  
Rape Seed ◽  
Nutritive Quality ◽  
Breast Meat Yield

Effect of partial substitution of crushed soybean by different portions of rape seed on yield and chicken breast quality (nutritive and technological) was investigated in the paper. ROSS 308 hybrids were used for investigations. Control group (K) was fed with standard mixture and experimental groups with mixture in which crushed soybean partially substituted by 10% (O1), 15% (O2) and 20% (O3) extruded rape seed (EZUR). Rape seed was extruded with corn germ in ratio 50:50. It was concluded that there are no significant differences in breast meat yield between control and experimental groups (P > 0.05). The changes in chicken meal had no influence (P > 0.05) on nutritive quality of breast meat (the contents on protein, connective tissue protein, free fat and total ash). Additionally was found that the technological quality of breast meat of the control and experimental groups averagely corresponds to "normal" meat quality considering the parameters and criteria for quality determination (pHu, L*, water holding capacity).

scholarly journals Carcass traits, meat quality, and sensory attributes of fast-growing broilers given outdoor access at different ages

2020 ◽  
Vol 44 (5) ◽  
pp. 1039-1046
Author(s):  
Muhammad ZAID ◽  
Jibran HUSSAIN ◽  
Athar MAHMUD ◽  
Khalid JAVED ◽  
Muhammad Shabir SHAHEEN ◽  
...  
Keyword(s):  
Meat Quality ◽  
Control Group ◽  
Quality Traits ◽  
Breast Meat ◽  
Treatment Groups ◽  
Fast Growing ◽  
Overall Acceptability ◽  
Randomized Design ◽  
Different Ages ◽  
Age At Exposure

This study evaluated the effect of outdoor access offered to fast-growing broilers at different ages and its impact on meat quality attributes. A total of 200 straight-run broilers were arranged according to the completed randomized design and distributed into 4 treatment groups. The treatments were replicated 5 times; each replicate consisted of 10 birds. The treatment included age at exposure to outdoor access including day 21, day 28, and day 35, and a control group in which the birds were reared at an indoor facility for up to 56 days. Taste, flavor, juiciness, and overall acceptability of breast meat were highest for broilers given outdoor access on day 21 followed by day 28, day 21 and lowest for broilers without outdoor access. Tenderness of breast meat was highest in broilers without outdoor access followed by broilers given outdoor access on day 35 and day28 and lowest for broilers given outdoor access on day 21 of age. It can be concluded that giving outdoor access to fast-growing broilers at the age of day 21 improves carcass and meat quality traits.

scholarly journals Effect of ground paprika and its oleoresin on marinated chicken breast meat quality

2011 ◽  
pp. 55-62 ◽  
Author(s):  
Marija Jokanovic ◽  
Natalija Dzinic ◽  
Vladimir Tomovic ◽  
Snezana Savatic ◽  
Tatjana Tasic ◽  
...  
Keyword(s):  
Meat Quality ◽  
Meat Products ◽  
Sensory Properties ◽  
Cooking Loss ◽  
Chicken Breast ◽  
Control Group ◽  
Breast Meat ◽  
Paprika Oleoresin ◽  
Experimental Group ◽  
Chicken Breast Meat

The still-marinating process is a simplified technology used to tenderize and to improve the flavour, colour and juiciness of meat products. The effects of marinade type, addition of ground paprika (P) or paprika oleoresin (O), on the instrumental and sensory properties of cooked marinated chicken fillets were investigated. It was observed that marinade uptake was greater (P > 0.05) for the fillets marinated with paprika oleoresin. Cooking loss was lowest for experimental group O, and signifycantly lower (P<0.05) comparing to control group. Determined L

scholarly journals Carcass and breast meat quality of broilers feed with extruded corn

2011 ◽  
Vol 27 (4) ◽  
pp. 1697-1703 ◽  
Author(s):  
N. Dzinic ◽  
Dj. Okanovic ◽  
M. Jokanovic ◽  
T. Tasic ◽  
V. Tomovic ◽  
...  
Keyword(s):  
Meat Quality ◽  
Sensory Quality ◽  
Carcass Weight ◽  
Chicken Breast ◽  
Control Group ◽  
Breast Meat ◽  
Experimental Group ◽  
Chicken Breast Meat

The aim of this paper was to investigate the carcass and breast meat (nutritional, technological and sensory) quality of chickens (line ROSS 308) fed extruded corn. It was concluded that a diet with extruded corn increases chilled carcass weight and the share of breast meat in chilled carcass. Also, the breast meat of experimental group contains more protein and less free fat comparing to the control group. Based on the parameters and criteria for defining the quality of chicken breast meat (pHu and L

scholarly journals Replacement of Fish Meal by Defatted Yellow Mealworm (Tenebrio molitor) Larvae in Diet Improves Growth Performance and Disease Resistance in Red Seabream (Pargus major)

Animals ◽  
2019 ◽  
Vol 9 (3) ◽  
pp. 100 ◽  
Author(s):  
Atsushi Ido ◽  
Atsushi Hashizume ◽  
Takashi Ohta ◽  
Takayuki Takahashi ◽  
Chiemi Miura ◽  
...  
Keyword(s):  
Fish Meal ◽  
Tenebrio Molitor ◽  
Animal Protein ◽  
Edwardsiella Tarda ◽  
Partial Replacement ◽  
Yellow Mealworm ◽  
Complete Replacement ◽  
Red Seabream ◽  
Mealworm Larvae ◽  
Tenebrio Molitor Larvae

Yellow mealworm (Tenebrio molitor) larvae are a potential alternative animal protein source for sustainable aquaculture. However, reports on the successful complete substitution of fish meal with yellow mealworm larvae in an aquaculture diet have been limited. In this study, we conducted a feeding trial with red seabream (Pagrus major) being fed diets with partial or complete replacement of fish meal with yellow mealworm larvae defatted with a hexane–ethanol solution. Feed intake in red seabream increased in accordance with yellow mealworm larvae inclusion, and diets including 65% defatted mealworm larvae (complete replacement of fish meal) showed significant growth promotion. The addition of the oil fraction from mealworm larvae to diets resulted in growth reduction, despite meeting the nutritional requirements of red seabream. Moreover, the survival rate of red seabreams fed diets with partial replacement of fish meal with mealworm larvae was significantly higher in a challenge test with pathogenic Edwardsiella tarda bacteria. The present study demonstrated that yellow mealworm larvae are not merely an alternative animal protein, but have potential as functional feed ingredients for aquaculture production.

scholarly journals The evaluation of growth and selected carcass and meat quality parameters in fattening bulls fed a diet based on concentrates or maize silage

2008 ◽  
Vol 53 (No. 9) ◽  
pp. 368-376 ◽  
Author(s):  
E. Štercová ◽  
A. Krása ◽  
R. Lepková ◽  
J. Šterc
Keyword(s):  
Weight Gain ◽  
Meat Quality ◽  
Live Weight ◽  
Quality Parameters ◽  
Diet Group ◽  
Daily Weight Gain ◽  
Control Group ◽  
Average Daily Weight Gain ◽  
Maize Silage ◽  
The Mean

The aim of the study was to evaluate the growth rate and selected carcass and meat quality parameters in bulls fed a high-grain diet and to compare the results with those obtained in bulls fed a diet based on preserved roughage. The trial included 18 Czech-Pied bulls fed a diet with a high proportion of concentrated feed and 18 Czech-Pied bulls fed a diet based on maize silage, used as a control group. The trial was launched after the weaning of calves. During the fattening period, live weight and average daily weight gain were monitored. The bulls were slaughtered at the live weight of 550–600 kg, the mean age at slaughter was 473 days for the high-grain diet group and 474 days for the control group. The carcasses were classified to SEUROP quality grades, and carcass gain and dressing percentage were calculated. Samples of <I>m. longissimus pars thoracis</I> were taken from five bulls in each group to examine selected meat quality parameters. In the period from weaning to slaughter the high-grain diet bulls and the control bulls achieved the average daily weight gain of 1.29 kg and 1.21 kg, respectively. Differences between the groups were not significant. The high-grain diet group showed higher average carcass weight and higher carcass weight gain, differences between the groups were not significant, either. As to meat quality parameters under study, a significant difference was found only in meat lightness (L*), with the mean value in the high-grain diet group being significantly (<I>P</I> ≤ 0.01) lower than in the control group. The other meat quality parameters did not show any significant differences between the groups. In this study, the high-grain diet gave similar performance as the maize silage-based diet in fattening bulls. The high-grain diet group and control group showed comparable average daily weight gain and selected carcass and meat quality parameters.

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