Fast-growing chickens fed with lucerne protein-xanthophyll
concentrate: growth performance, slaughter yield
and bone quality

Kwiatkowska, Katarzyna; Kwiecień, Małgorzata; Winiarska-Mieczan, Anna

doi:10.22358/jafs/70194/2017

Cited by 15 publications

(11 citation statements)

References 27 publications

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“…Carcass yield is one of the most important indicators of the overall performance of modern broiler chicken lines (Kwiatkowska et al 2017). In this study, however, dietary supplementation of chicory forage had no effect on some carcass traits, such as yields of eviscerated carcass, breast muscle and thigh muscle.…”

Section: Discussioncontrasting

confidence: 64%

Growth performance, carcass characteristics, meat and egg quality, and intestinal microbiota in Beijing-you chicken on diets with inclusion of fresh chicory forage

Zheng

Mao

Tian

et al. 2019

Italian Journal of Animal Science

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The aim of this study was to evaluate the effects of fresh chicory forage in chicken diets on growth performance, carcass characteristics, meat and egg quality, as well as intestinal microbiota. A total of 600 healthy 16 weeks female Beijing-you chickens were randomly assigned to four dietary treatments containing 0%, 5%, 8% and 10% chicory forage with six replicate pens and 25 chickens in each replicate. Chickens were raised in a free-range system for 13 weeks after seven days of adaptation. High-throughput sequencing was used to characterise the microbiota in three different intestinal sections (duodenum, ileum and caecum). The results showed that dietary supplementation of chicory forage increased (p < .05) egg weight, yolk colour, total amino acids and delicious amino acids in muscles, and decreased (p < .05) abdominal fat yield compared to the control. However, increased (p < .05) average daily feed intake, increased (p < .05) feed conversion ratio, increased (p < .05) mortality and decreased (p < .05) eggshell strength were observed in chickens fed chicory forage than in those fed a basal diet. Dietary supplementation of chicory forage stimulated the proliferation of the Lactobacillus in ileum and the Bacteroides in caecum, and depressed pathogenic microbes including the Rikenella, thereby further improved intestinal health and nutrient utilisation. It was concluded that 8% chicory forage could be considered as a beneficial feed additive in Beijing-you chicken diets. In addition to the good nutritional profile, medicinal properties were associated with the beneficial effects of chicory forage on chickens. HIGHLIGHTS Dietary supplementation of chicory forage improved muscle nutritional value and flavour. Dietary supplementation of chicory forage affected egg quality. Dietary supplementation of chicory forage regulated the intestinal microbiota. ARTICLE HISTORY

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Section: Discussioncontrasting

confidence: 64%

Growth performance, carcass characteristics, meat and egg quality, and intestinal microbiota in Beijing-you chicken on diets with inclusion of fresh chicory forage

Zheng

Mao

Tian

et al. 2019

Italian Journal of Animal Science

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“…In modern meat-type chicken, higher muscle to bone ratio leads to skeletal abnormalities and fractures of bone (Kwiatkowska et al, 2017). Bone condition is directly related to the bioavailability of calcium (Ca) and phosphorus (P) at tissue level.…”

Section: Discussionmentioning

confidence: 99%

Effect of Moringa Oleifera Leaf Powder Supplementation on Pectoral Muscle Quality and Morphometric Characteristics of Tibia Bone in Broiler Chickens

Faseehur-Rehman

Zaneb

Masood

et al. 2018

Braz. J. Poult. Sci.

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Although in-feed antibiotics work for broiler chicken´s growth, they are a source of public health hazard. Therefore, there is a need for alternates which can act as growth promoter without deleterious effects on the health of meat consumers. Moringa oleifera is one such phytobiotic which is reported to possess antimicrobial and immunomodulatory properties. This study investigated the effect of Moringa oleifera leaf powder (MOLP) supplementation on meat quality and bone morphometry of broiler. One-day-old chicks (n=100), divided into five groups (four replicates with n=5), were fed a basal diet (control group) or same diet supplemented with 6, 9, 12 or 15 g/kg MOLP. On d-35, two birds per replicate were euthanized to collect samples of breast muscle, blood and tibia bone. The MOLP supplementation significantly increased pH of breast muscle and ash percentage of tibia bone. The diameter of breast muscle fibres and also weight and weight length index of tibia bone significantly increased with 12 and 15 g/kg MOLP. The water holding capacity (WHC) of breast muscle was significantly higher with 9 and 15 g/kg MOLP; whereas robusticity index of tibia bone significantly decreased with 12 and 15 g/kg MOLP inclusion compared to the control group. In conclusion, dietary supplementation of Moringa oleifera leaf powder (12g/kg) increased pH, water holding capacity, and muscle fibre diameter of breast muscle and also weight, ash percentage and density indices of tibia bone in broiler chickens.

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“…The ADG and FCR of the broilers receiving 8% grass‐clover protein extract did not differ from the control during the feeding trial, and growth performance was comparable to performance of organic broilers with similar genotypes (Fanatico, Owens, & Emmert, 2009; Fanatico, Pillai, Cavitt, Owens, & Emmert, 2005). The successful inclusion of limited amounts (up to 10%) of protein extracted from lucerne has been demonstrated in earlier conventional studies (Kuzmicky & Kohler, 1977; Kwiatkowska, Kwiecień, & Winiarska‐Mieczan, 2017). On the contrary, addition of 40% wet leaf protein extracted from red clover reduced broiler weight gain (Ameenuddin, Bird, Pringle, & Sunde, 1983).…”

Section: Discussionmentioning

confidence: 72%

Biorefined grass‐clover protein composition and effect on organic broiler performance and meat fatty acid profile

Stødkilde

Ambye‐Jensen

Jensen

2020

Animal Physiology Nutrition

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The organic poultry sector is rapidly growing in certain parts of the European Union, and a 14% yearly increase was registered in the organic poultry head numbers between 2005 and 2015 (European Commission, 2016). Optimising organic feed formulations with respect to the animals amino acid (AA) requirement, without feeding a surplus of protein, is a challenge, as supplementation with free AA is not allowed in the organic production system (Burley, Anderson, Patterson, & Tillman, 2016). Moreover, the permission to include 5% non-organic feed in organic feed formulations, used mainly for balancing the AA composition of the feed, will be phased out in the European Union. This will cause an increased need for alternative protein sources with the desired AA composition for optimal

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Fast-growing chickens fed with lucerne protein-xanthophyll concentrate: growth performance, slaughter yield and bone quality

Cited by 15 publications

References 27 publications

Growth performance, carcass characteristics, meat and egg quality, and intestinal microbiota in Beijing-you chicken on diets with inclusion of fresh chicory forage

Growth performance, carcass characteristics, meat and egg quality, and intestinal microbiota in Beijing-you chicken on diets with inclusion of fresh chicory forage

Effect of Moringa Oleifera Leaf Powder Supplementation on Pectoral Muscle Quality and Morphometric Characteristics of Tibia Bone in Broiler Chickens

Biorefined grass‐clover protein composition and effect on organic broiler performance and meat fatty acid profile

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