Effect of dietary protein level on lipid deposition in broilers during the finishing period

Grisoni, ML; Larbier, M.; Uzu, G.; Geraert, P. A.

doi:10.1051/animres:19900302

Cited by 3 publications

(2 citation statements)

References 14 publications

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“…According to Grisoni et al [5], the maximal chicken growth is reached at 20% of protein. Indeed, protein concentration of acorns is low [1,17], compared to corn [8].…”

Section: Discussionmentioning

confidence: 99%

Fatty acid composition of abdominal adipose tissue in broilers fed green-oak (Quercus ilex), cork oak acorn (Quercus Suber L.) based diets

Bouderoua

Selselet‐Attou

2003

Anim. Res.

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-Male broilers, 30 for every diet, were fed for six weeks, diets containing 60% green oak (GO) and oak cork (CO) acorns compared to 60% corn (C). The body weight of the chickens fed the oak acorn-based diets was 25% lower than that of the controls (C). Abdominal adipose tissue (AAT) was twice heavier in the controls compared to broilers fed oak acorn-based diets. The total lipids of AAT were higher in the controls compared to the oak acorn fed chickens (34.4 against 15.3 g per 100 g of AAT in the CO). The palmitic and oleic acid proportions were comparable in the AAT of chickens fed with the different diets. The proportion of linoleic acid, obtained exclusively by the diets, was significantly higher in the chickens fed oak acorn-based diets (23%), compared to the controls (19%). Reciprocally, palmitoleic acid was present in a small proportion in chickens fed oak acorns (4 to 5%). The observed variation of the fatty acid content of abdominal fat of acorn-fed chickens requires further research on the precise nutrient digestibility of oak acorns before considering them as a potential feed.lipids / lipogenesis / broilers / oak acorn / adipose tissue Résumé -Variation de la composition en acides gras des lipides du tissu adipeux abdominal chez des poulets nourris avec des régimes à base de glands de chêne vert (Quercus ilex) et de chêne liège (Quercus suber L.). Des poulets mâles, 30 par régime, ont été nourris durant six semaines avec une alimentation à base de glands de chêne vert (GO) et de chêne liège (CO) en substitution au maïs (C). Les poids vifs des animaux ont été plus faibles de 25 % chez les poulets recevant GO et CO par rapport à ceux recevant l'aliment témoin C. De même, le poids du gras abdominal était deux fois plus élevé chez les poulets témoins C par rapport à ceux consommant GO et CO. Le tissu adipeux abdominal des animaux témoins contenait plus de lipides totaux que celui des poulets recevant les ré-gimes GO et CO (34,4 g par 100 g de gras abdominal pour C vs. 15,3 pour CO). Les proportions 377 Anim. Res. 52 (2003) 377-382  INRA, EDP Sciences, 2003 DOI: 10.1051/animres:2003027* Corresponding author: bouderoua.kad@voila.fr d'acide palmitique et oléique ont été comparables dans le gras abdominal des poulets pour les trois ré-gimes. En revanche, la proportion d'acide linoléique, apporté exclusivement par les régimes, a été significativement plus élevée dans le cas des poulets consommant les régimes à base de glands de chêne (23 %) par rapport aux témoins (19 %). Inversement, l'acide palmitoléique a été en faible proportion chez les poulets consommant des glands de chêne (de 4 à 5 %). L'interprétation des variations de composition en acides gras du tissus abdominal de poulets consommant des glands de chênes requiert une évaluation plus précise de la digestibilité des nutriments contenus dans les glands avant de pouvoir les considérer comme des aliments potentiels pour le poulet.lipides / lipogenèse / poulet / gland de chêne / tissu adipeux

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“…According to Grisoni et al [5], the maximal chicken growth is reached at 20% of protein. Indeed, protein concentration of acorns is low [1,17], compared to corn [8].…”

Section: Discussionmentioning

confidence: 99%

Fatty acid composition of abdominal adipose tissue in broilers fed green-oak (Quercus ilex), cork oak acorn (Quercus Suber L.) based diets

Bouderoua

Selselet‐Attou

2003

Anim. Res.

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“…In our work, the OMW introduction did not lead to a big modification in the protein level of the diets, which remains between 18.16 and 19.44%. This level permits maximal growth of the broiler chickens (Grisoni et al, 1990). Besides, the OMW constitute an important energetic source due to its lipids leading to the observed weight gain.…”

Section: Discussionmentioning

confidence: 99%

Supplementation of olive mill wastes in broiler chicken feeding

HACHEMI¹,

Mecherfi²,

Benzineb³

et al. 2007

Afr. J. Biotechnol.

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This work was conducted in order to study the value of olive mill wastes as diet on the growth performance, abdominal and muscle fat deposition, adipose and muscle tissues fatty acid composition in broilers. 200 male chickens that were 2 weeks old, 50 for each diet, were assigned to one of the three diets containing 5, 10 or 15% olive mill wastes (OMW) compared to control diet (CD). There were no significant differences in body and weight gain, final body carcass, thighs and pectoral muscle weight between birds. The same observation was seen for abdominal tissue fat (% of body weight) of which no differences were detected in birds fed OMW diet compared to those fed on the control diet. Linoleic acid proportion increases significantly in the pectoral muscle (p < 0.0001) with the three diets containing OMW, but its level decreases in tight muscle with 5 and 10% OMW diets (p < 0.0001) and remain unchanged in abdominal fat. Oleic acid proportion increases in thigh muscle (p < 0.006) and remain unchanged in pectoral muscle and in abdominal adipose tissue. Palmitic acid proportion decreases significantly in pectoral muscle (p < 0.0001) and in abdominal adipose tissue (p < 0.002), but increases significantly in thigh muscle (p < 0.05). In conclusion, OMW diet gives attractive results. It brings identical growth performances and affect abdominal and muscle fat deposition and fatty acid composition.

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Lipogenesis in turkeys and chickens: A study of body composition and liver lipogenic enzyme activities

Kouba¹,

Catheline²,

Leclercq³

1992

British Poultry Science

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1. Carcase composition, fat deposition and the activities of three liver lipogenic enzymes were compared in turkeys and chickens fed ad libitum on two different isocaloric diets, respectively adapted to chickens (C) and to turkeys (T). Diets differed in their protein content, being higher by 60 g/kg in diet T. 2. Chickens were much fatter than turkeys and exhibited higher activities of acetyl-coenzyme A carboxylase (EC 6.4.1.2) and malic enzyme (EC 1.1.1.40). 3. The carcase composition of turkeys was not influenced by the type of diet administered, while chickens fed on diet C were fatter than chickens fed on diet T. Compared to diet T, diet C enhanced malic enzyme activity, whatever the species and age. 4. A good correlation between abdominal fat and total fatness was observed in both species but especially in turkeys. 5. In conclusion, hepatic lipogenesis is much lower in turkeys than in chickens.

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Effect of dietary protein level on lipid deposition in broilers during the finishing period

Cited by 3 publications

References 14 publications

Fatty acid composition of abdominal adipose tissue in broilers fed green-oak (Quercus ilex), cork oak acorn (Quercus Suber L.) based diets

Fatty acid composition of abdominal adipose tissue in broilers fed green-oak (Quercus ilex), cork oak acorn (Quercus Suber L.) based diets

Supplementation of olive mill wastes in broiler chicken feeding

Lipogenesis in turkeys and chickens: A study of body composition and liver lipogenic enzyme activities

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