The carcass quality, meat quality and sensory characteristics of broilers raised on diets containing either Musca domestica larvae meal, fish meal or soya bean meal as the main protein source

2014 ◽  
Vol 54 (5) ◽  
pp. 622 ◽  
Author(s):  
E. Pieterse ◽  
Q. Pretorius ◽  
L. C. Hoffman ◽  
D. W. Drew
Keyword(s):  
Meat Quality ◽  
Musca Domestica ◽  
Fish Meal ◽  
Control Diet ◽  
Soya Bean ◽  
Protein Source ◽  
Sensory Characteristics ◽  
Drip Loss ◽  
Bean Meal ◽  
Soya Bean Meal

The effects of Musca domestica (common house fly) larvae meal (magmeal) on the meat quality of broiler chickens were investigated in a trial consisting of three isonitrogenous and isoenergetic treatment diets containing either 10% fish meal, 10% M. domestica larvae meal or a control diet with soya bean meal as the protein source. Chicks that received either the 10% M. domestica larvae meal or 10% fish meal produced significantly heavier carcasses and had a higher breast-meat yield than did the control chicks. Sensory attributes evaluated by a trained sensory panel included chicken aroma, metallic aroma, initial juiciness, chicken flavour, sustained juiciness, metallic aftertaste, toughness and mealiness. The samples were judged to have a prominent chicken aroma but a less prominent chicken flavour. Although the samples had a moderate initial juiciness, they did not have a sustained juiciness except for the larvae-fed samples, which had higher sustained juiciness values; all samples were perceived as tender; fishmeal-fed samples were judged more mealy than larvae-fed samples, with the control being intermediary; larvae-fed samples had higher metallic aroma and aftertaste values, although these values were low and unlikely to be detected by consumers. Comparison of meat-quality characteristics showed no treatment differences for breast- and thigh-muscle colour, pH, water holding capacity or cooking losses. Significant differences were observed for drip loss, with the lowest drip loss reported for the larvae meal-fed samples, followed by the control diet and the highest for fish meal-fed samples. It is concluded that the inclusion of larvae meal into the diets of broilers will have positive rather than any detrimental effects on most carcass, meat and sensory characteristics.

The effect of protein source on the performance of suckling Chios ewes and Damascus goats

1988 ◽  
Vol 46 (2) ◽  
pp. 249-255 ◽  
Author(s):  
M. Hadjipanayiotou ◽  
E. Georghiades ◽  
A. Koumas
Keyword(s):  
Milk Yield ◽  
Milk Fat ◽  
Fish Meal ◽  
Control Diet ◽  
Soya Bean ◽  
Protein Source ◽  
Outflow Rate ◽  
Bean Meal ◽  
Soya Bean Meal ◽  
Supplemental Protein

AbstractTwo trials, one with 36 twin-suckling Chios ewes and the other with 32 twin-suckling Damascus goats, were conducted to study the effect of protein source (fish meal v. soya-bean meal) on the pre-weaning milk yield of the dams, and the growth performance of their offspring. The control (C) concentrate mixture was similar in both trials, using soya-bean meal (SBM) (195 kg/t) as a source of supplemental protein. In the experimental diet (FME) of the ewe trial, SBM was replaced completely by fish meal (FM) whereas in the goat trial (FMG) 83 kg of SBM were replaced by 50 kg FM. Dry matter (DM) and crude protein (CP) degradation of the three isonitrogenous mixtures were measured using nylon bags incubated in the rumens (2, 6, 16, 24 and 32 h) of three Damascus goats. There were no significant differences between mixtures for DM and CP effective degradability at 005 per h outflow rate. At 0·08 per h outflow rate however, lower degradability values were obtained with the FME than with the C diet. There were differences in the effective CP degradability of SBM and FM used in the ewe trial, but the FM used in the goat trial was of higher CP degradability and similar to that of SBM. Ewes on FM produced more milk than those on the control diet (C 3·44 v. FME 3·84 kg/day), whereas milk yield of goats was similar in the two treatments (C 3·87 v. FMG 3·82 kg/day). There were no differences between treatments for ewe milk fat (C 44 v. FME 43 g/kg) or protein concentration (C 54 v. FME 53 g/kg). Goats on fish meal (FMG) produced milk of higher protein (C 37 v. FMG 40 g/kg), but of similar fat (C 42 v. FMG 43 g/kg) concentration to those on the SBM (C) diet. With the exception of the better conversion (milk: gain ratio) efficiency (C 5·17 v. FME 4·44) of male lambs sucking ewes on the FM diet, no other differences were observed in the performance of lambs or kids. Lambs consumed less milk than kids (lambs: males 4·69, females 5·13; kids: males 6·63, females 6·98) per unit of weight gain.

A note on the use of field beans (Vicia faba) for growing cattle

1972 ◽  
Vol 14 (1) ◽  
pp. 111-113 ◽  
Author(s):  
N. A. MacLeod ◽  
A. Macdearmid ◽  
M. Kay
Keyword(s):  
Vicia Faba ◽  
Dry Matter ◽  
Fish Meal ◽  
Nitrogen Retention ◽  
Soya Bean ◽  
Protein Source ◽  
Dry Matter Digestibility ◽  
Bean Meal ◽  
Soya Bean Meal ◽  
Field Beans

SUMMARYField beans were compared with fish meal and soya bean meal as a protein source for young calves, and the effect of processing beans and barley on the digestibility of the diet was measured with older, castrated male cattle.In calves given equal nitrogen intakes, apparent nitrogen digestibility was lower with field beans than with soya bean meal or white-fish meal, but nitrogen retention (g/day and percentage of intake) in calves given beans was between that obtained with fish meal and soya bean meal. The dry-matter digestibility of diets containing 20 % whole or rolled beans together with rolled barley was 80 % but fell to 74 % if the barley was given whole.

Effect of protein source on performance and nitrogen metabolism of pigs weaned at 21 days of age

1983 ◽  
Vol 37 (3) ◽  
pp. 395-400 ◽  
Author(s):  
M. J. Newport ◽  
H. D. Keal
Keyword(s):  
Food Intake ◽  
Nitrogen Metabolism ◽  
Fish Meal ◽  
Skim Milk ◽  
Nitrogen Retention ◽  
Sole Source ◽  
Soya Bean ◽  
Protein Source ◽  
Bean Meal ◽  
Soya Bean Meal

ABSTRACTThe effects of source of protein on performance and nitrogen metabolism were studied in pigs weaned at 21 days of age. All diets contained 190 g crude protein and 14·6 MJ digestible energy per kg, and had a similar essential amino acid composition. Sources of protein were a combination of soya bean meal, fish meal and dried skim milk which was compared with soya bean meal alone, or in combination with either fish meal or dried skim milk. Seven groups of pigs (four pigs per group) received each diet ad libitum until 56 days of age. Performance was similar with the combinations of sources of protein, but with soya bean meal alone, food intake and growth rate were reduced (P < 0·05), but food conversion efficiency was not affected. Nitrogen metabolism was studied in seven pigs per diet given a restricted intake. Under these conditions, protein source had no effect on performance or retention and apparent digestibility of nitrogen. Nitrogen retention increased (P < 0·05) between 35 and 49 days of age, and was affected by the duration of the balance period (P < 0·01). In a second experiment, imparting a fish-like odour to the diet with soya bean meal as the sole source of protein by the addition of a fish oil did not affect food intake or performance.These results indicate that a mixture of protein supplements in the diet of pigs weaned at 21 days of age may be unnecessary.

Responses of lactating ewes, offered fresh herbage indoors and when grazing, to supplements containing differing protein concentrations

1988 ◽  
Vol 46 (3) ◽  
pp. 403-415 ◽  
Author(s):  
P. D. Penning ◽  
R. J. Orr ◽  
T. T. Treacher
Keyword(s):  
Body Condition ◽  
Protein Concentration ◽  
Milk Protein ◽  
Fish Meal ◽  
Soya Bean ◽  
Protein Supplements ◽  
Bean Meal ◽  
Soya Bean Meal ◽  
Lamb Growth ◽  
Daily Milk

ABSTRACTThe responses to supplements differing in protein concentration and degradability were measured in lactating ewes and their twin lambs when offered fresh ryegrass either cut or grazed. Housed Scottish Halfbred ewes, offered fresh-cut grass ad libitum received no supplement (N) or supplements with barley and maize starch (B); barley and soya-bean meal (S); barley, soya-bean meal and fish meal (SF) or barley and fish meal (F) in weeks 2 to 7 of lactation. By feeding supplements, herbage organic-matter (OM) intake was depressed (2·00 v. 1·74 kg/day). Mean daily milk yield was increased when protein supplements were given and, because milk protein concentration was higher for supplement F and similar for all other diets, mean daily milk protein output increased with increasing fish meal in the diet. Milk yields were N 2·55, B 2·59, S 3·17, SF 3·15 and F 3·17 kg/day. Total milk solids and fat concentrations were also higher for S, SF and F than N or B. Lambs from ewes supplemented with protein grew faster and the ewes generally lost less weight and body condition compared with unsupplemented ewes.At pasture, Masham ewes grazed at herbage allowances of either 4 (L) or 10 (H) kg OM per day and received no supplement (N) or supplements B or F, for the first 6 weeks of lactation and then, in weeks 7 to 12, grazed without supplements. For NL, BL, FL, NH, BH and FH respectively lamb growth rates from birth to 6 weeks were 235, 242, 274, 267, 286 and 302 g/day; from birth to 12 weeks were 210, 209, 249, 255, 275 and 287 g/day and losses in ewe body-condition score from birth to 12 weeks were 1·28, 1·22, 1·06, 0·97, 0·62 and 0·76.It is concluded that protein supplements increased milk yield and lamb growth rates and that the response tended to be greater with fish meal.

scholarly journals Methionine sulphoxide as a source of sulphur-containing amino acids for the young rat

1977 ◽  
Vol 37 (1) ◽  
pp. 93-105 ◽  
Author(s):  
Anne U. Gjøen ◽  
L. R. Njaa
Keyword(s):  
Amino Acid ◽  
Blood Plasma ◽  
Fish Meal ◽  
Soya Bean ◽  
Male Rats ◽  
Curvilinear Relationship ◽  
Casein Diet ◽  
Bean Meal ◽  
Soya Bean Meal ◽  
Effect On Growth

1. Young male rats were used in five experiments to study the utilization for growth of methionine sulphoxide, and the relationship between the sulphoxide content in the diet and the level of microbiologically determined methionine activity in blood or blood plasma. In one nitrogen-balance experiment methionine and methionine sulphoxide were compared as supplements to a casein diet and a fish-meal diet.2. Methionine sulphoxide was poorly utilized for growth when tested as the sole sulphur amino acid in an amino acid diet. Substitution of one-third of the sulphoxide with cystine improved utilization so that it approached that of methionine.3. Methionine alone and in combination with methionine sulphoxide were added to a soya-bean-meal diet. The sulphoxide showed no adverse effect on growth.4. Fish meal in which methionine had been oxidized to methionine sulphoxide was tested alone and in combinations with unoxidized fish meal. Only when the oxidized meal was given alone was there an appreciable effect on growth. The fish meals used were low in cystine.5. Whereas both methionine and methionine sulphoxide improved the N balance when a casein diet was given, there was no effect when a fish-meal diet was given.6. There was a linear relationship between methionine sulphoxide content in the amino acid diets and the methionine activity in the blood plasma. Methionine sulphoxide added to a soya-bean-meal diet or present in oxidized fish meal gave a curvilinear relationship, and the observed activities were lower than with the amino acid diets. Methionine activity in blood could not be used as an indicator of moderate amounts of methionine sulphoxide in protein-containing diets.

Intensive beef production 5. The effect of different sources of protein on nitrogen retention

1965 ◽  
Vol 7 (3) ◽  
pp. 303-308 ◽  
Author(s):  
H. B. Bowers ◽  
T. R. Preston ◽  
N. A. MacLeod ◽  
I. McDonald ◽  
Euphemia B. Philip
Keyword(s):  
Cottonseed Meal ◽  
Dry Matter ◽  
Fish Meal ◽  
Nitrogen Retention ◽  
Soya Bean ◽  
Dry Matter Intake ◽  
Voluntary Feed Intake ◽  
Bean Meal ◽  
Soya Bean Meal ◽  
Different Sources

SUMMARY1. Nitrogen balance studies were made on 8 Friesian steers given allconcentrate diets containing fish meal, soya bean meal, groundnut meal or cottonseed meal.2. There were no differences in nitrogen retention but voluntary feed intake was significantly lower on the fish meal diet.3. Adjustment of nitrogen retention to constant dry matter intake resulted in significantly higher values for the diets containing fish meal and cottonseed meal than for the others.4. Rumen pH, rumen ammonia and blood urea were all much lower on the fish meal diet.

Nutrition of the early-weaned calf. IX. Nitrogen retention from different protein sources in calves fed ad libitum

1966 ◽  
Vol 8 (1) ◽  
pp. 43-45 ◽  
Author(s):  
M. Kay ◽  
T. R. Preston ◽  
N. A. MacLeod ◽  
Euphemia B. Philip
Keyword(s):  
Fish Meal ◽  
Nitrogen Retention ◽  
Soya Bean ◽  
Distillers Grains ◽  
Protein Sources ◽  
Dried Distillers Grains ◽  
Bean Meal ◽  
Ad Libitum ◽  
Groundnut Meal ◽  
Soya Bean Meal

1. Nitrogen balance studies were conducted on 8 early-weaned calves fed on four diets containing respectively Peruvian fish meal, soya bean meal, groundnut meal and dried distillers grains as the major sources of protein.2. Nitrogen retention differed significantly between diets, being highest on the fish meal diet, and lowest on the groundnut diet.

Protein supplementation of silage-based diets for calves

1985 ◽  
Vol 41 (3) ◽  
pp. 293-300 ◽  
Author(s):  
R. W. J. Steen
Keyword(s):  
Fish Meal ◽  
Live Weight ◽  
Protein Supplementation ◽  
Soya Bean ◽  
Vitamin Supplement ◽  
Total N ◽  
Concentrate Supplementation ◽  
Grass Silage ◽  
Bean Meal ◽  
Soya Bean Meal

AbstractTwo experiments were carried out to examine the effects on the intake and performance of calves of supplementing a diet, based on high-digestibility, well-preserved grass silage, with fish meal. The effects of fish-meal supplementation were examined at each of two amounts of concentrate intake (1·05 and 2·2 kg/day) in a 2 × 2 factorial design. Fish meal was offered at a rate of 75 g/kg silage dry-matter (DM) intake. Experiments 1 and 2 involved 36 and 40 castrated male calves, respectively, which were initially 7 weeks old and had a live weight of 70 kg. The treatments were imposed for 20 weeks. The silages used in the two experiments had mean concentrations of 22-8 g nitrogen (N) per kg DM; 524 g protein N per kg total N; 59 g ammonia N per kg total N; 0·4 g butyric acid per kg DM; and 712 g digestible organic matter per kg DM. The concentrate consisted of (g/kg) 800 ground barley, 125 soya bean meal, 50 molasses and 25 mineral and vitamin supplement, respectively, and contained 29 g N per kg DM. Silage DM intakes and live-weight gains for the low and high amounts of concentrate supplementation were 1·93 and 1·46 (s.e. 0·055) kg/day and 0·84 and 1·01 (s.e. 0·013) kg/day respectively. The supplement of fish meal did not affect silage DM intake or animal performance for either concentrate intake. Proportionately, only 0·21 of the difference in live weight at the end of the treatment periods between the two amounts of concentrate intake remained at slaughter at 18 months of age. It is concluded that the optimum growth rate for autumn-born calves during their first winter can be sustained by a diet of high-digestibility grass silage supplemented with a maximum of 1·0 kg cereal-soya bean meal concentrate and that no response in performance was obtained to supplementation of this diet with fish meal.

Effects of protein source, formaldehyde treatment and rumen-protected methionine on the metabolism and performance of pregnant and lactating ewes fed straw

2001 ◽  
Vol 2001 ◽  
pp. 54-54
Author(s):  
D. Handford ◽  
S.E. Pattinson ◽  
R.G. Wilkinson ◽  
L.A. Sinclair
Keyword(s):  
Vegetable Protein ◽  
Soya Bean ◽  
Protein Source ◽  
Current Experiment ◽  
Biological Value ◽  
Protein Sources ◽  
Formaldehyde Treatment ◽  
Bean Meal ◽  
And Performance ◽  
Soya Bean Meal

Fishmeal is a suitable protein source for pregnant and lactating ewes, providing higher levels of undegradable protein than vegetable protein sources, with an improved biological value (Robinson, 1987). Vegetable protein sources may however be improved by formaldehyde treatment to reduce protein degradability and by the addition of rumen-protected amino acids. The objective of the current experiment was to compare the effects of feeding concentrates containing fishmeal with concentrates containing soya-bean meal, formaldehyde treated soya-bean meal and formaldehyde treated soya-bean meal with rumen-protected methionine.

Fat Coated Synthetic Lysine in Diets for Growing Pigs

1988 ◽  
Vol 1988 ◽  
pp. 129-129
Author(s):  
M. Ellis ◽  
D.S. Parker
Keyword(s):  
Control Diet ◽  
Soya Bean ◽  
Growing Pigs ◽  
Feeding Regimes ◽  
Soya Oil ◽  
Bean Meal ◽  
Soya Bean Meal ◽  
Fat Supplements ◽  
Dietary Treatments ◽  
On Farm

Synthetic lysine and fat supplements are widely used in diets for growing pigs. However, there is evidence to suggest that free lysine is more rapidly absorbed than protein bound amino acids resulting in reduced growth performance particularly under infrequent feeding regimes. In addition, the incorporation of conventional fat supplements into cereal based diets is problematic particularly where on-farm mixing of feed is carried out. One potential solution to both these problems is to use fat coated synthetic lysine sources which have recently become available and two such materials were evaluated in this study.Four dietary treatments were compared. These were a control diet (C) with soya bean meal as the protein supplement and diets in which 0.3 of the total lysine was supplied from either synthetic lysine (S) or synthetic lysine coated with a single (SC) or a double layer(DC) of hardened soya oil. All diets were barley based and were formulated to contain the same level of total lysine (0.01) and hardened soya oil.

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