A Preliminary Study of Chemically Preserved and High-Moisture Whole Maize (Zea mays L.) Usage in Pekin Duck Nutrition: Effect on Growth Performance and Selected Internal Organ Traits

Kierończyk, Bartosz; Rawski, Mateusz; Mikołajczak, Zuzanna; Wachowiak, Roksana; Homska, Natalia; Józefiak, Damian

doi:10.3390/ani11041018

Cited by 4 publications

(3 citation statements)

References 35 publications

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“…Feed intake (1-70 days) was the highest in the group fed a diet containing 7.5% partially defatted BSFL meal. These findings support part of the earlier results suggesting that insect-derived materials may be an attractant (Rawski et al, 2020;Kierończyk et al, 2021;Kowalska et al, 2022). However, in some cases described in the literature, opposite effects were observed, which may be explained by insect meal processing, feed preparation technology or speciesspecific factors (Caimi et al, 2020).…”

Section: Discussionsupporting

confidence: 90%

The First Report of The Growth Performance and Environmental Sustainability Effects of Dietary Insect Meal Application on The Jardine River Turtle (Emydura Subglobosa)

Rawski,

Kierończyk,

Hetmańczyk

et al. 2024

Annals of Animal Science

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This study provides empirical data on the balancing, production, and quality of freshwater turtle diets containing partially defatted black soldier fly larvae Hermetia illucens meal (BSFL) as a fish meal (FM) replacement. A 70-day experiment was performed using 27 Jardine river turtles (Emydura subglobosa) juveniles (6 months old). Three dietary treatments were applied, namely, CON with 30% fish meal and no BSFL as the control, H75 with 22.5% fish meal and 7.5% BSFL and H150 with 15% fish meal and 15% BSFL, with 3 replicates per treatment, 3 animals per replicate, and 9 specimens in total per treatment. Post-extrusion tests showed that feed technological parameters are dependent on the BSFL meal proportion in terms of the pellet length expansion rate, volume increase, and water binding capacity. The obtained experimental feeds were well accepted by the animals. During the entire experimental period, no turtle mortality, diet-related issues, or differences in shell development or growth performance were recorded among the treatments. However, the feed intake increased in comparison to CON when 7.5% BSFL meal was used (42.30 g vs. 50.40 g), and a lower feed conversion ratio was observed in the 15% BSFL treatment (1.51 vs. 1.38). For the first time, it was empirically proven that E. subglobosa can efficiently utilize BSFL meal for up to 15% of their diet. Moreover, the possibility of an increase in environmental sustainability during turtle husbandry due to a decrease in total marine resource use of 55.8% and a 57.4% decrease in the use of fish meal per kg of body weight gain were recorded.

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Section: Discussionsupporting

confidence: 90%

The First Report of The Growth Performance and Environmental Sustainability Effects of Dietary Insect Meal Application on The Jardine River Turtle (Emydura Subglobosa)

Rawski,

Kierończyk,

Hetmańczyk

et al. 2024

Annals of Animal Science

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“…The use of whole wheat grains (15%) in the last two weeks of rearing also did not affect the production results of Pekin ducks [ 12 ]. In a study on adding high-moisture maize at a concentration of between 5 and 10% between the 29th and 50th days of rearing, alternative feeding did not affect the final BW, BWG, FI, or FCR of Pekin ducks [ 25 ]. At the beginning of life, ducks are characterized by dynamic weight gain, so they use the initially provided complete feed [ 26 ].…”

Section: Discussionmentioning

confidence: 99%

Production Efficiency and Utility Features of Broiler Ducks Fed with Feed Thinned with Wheat Grain

Biesek

Banaszak

Grabowicz

et al. 2022

Animals

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The aim of this study was to evaluate the production efficiency (economics), growth, and meat quality of ducks fed with feed partially replaced with wheat. A total of 200 ducks were reared for 49 days. Each group consisted of 50 ducks (5 pens with 10 birds). For slaughter, 10 birds per group were chosen. The control group (C) was provided with a complete feed. In the experimental groups, from 42 to 49 days, the feed was replaced with wheat grains at the level of 10% (W10), 20% (W20), or 40% (W40). In the W20 and W40 groups, the cost of feed was reduced. In the W40 group, the profit per 1 kg carcass was increased by PLN 3.34 (more than 24% higher than the C group profit). A higher percentage of pectoral muscles and intramuscular fat was observed in the W20 group, with lower water content. A lower water-holding capacity (WHC) was observed in the duck leg muscles in group W40. The muscles from the W20 group had higher protein, collagen, and water content, and the fat was highest in the W40 group. A lower toughness of cooked meat was observed in the W20 group, and lower shear force in the pectoral muscles of groups C and W40. Thinning feed with wheat grains could represent an alternative to conventional feeding of broiler ducks, owing to reduced feed costs, with no negative impact on utility features, including growth, except the share of pectoral muscle and water absorption traits.

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“…To meet consumer's demand for animal products, the breeding, feeding and slaughtering technologies of traditional meat poultry such as broilers and meat ducks have been continuously innovated to improve the production efficiency and the quality of products of poultry. As an excellent meat type poultry, Muscovy duck (Cairina moschata) is very popular because of its fast growth, delicious meat and higher intramuscular fat [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Integrated transcriptomics and metabolomics study of embryonic breast muscle of Jiaji ducks

Gu,

Chen,

et al. 2024

BMC Genomics

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Because number of matured muscle fibers in poultry does not increase after birth, the meat yield is mainly determined during embryogenesis. We previously indicated breast muscle grew rapidly from 18th day after hatching (E18) to E27, and almost stopped from E27 to E34 of Jiaji ducks, while the mechanism is unclear. This study utilized RNA-seq to explore the related genes of muscle development and their relationship with small molecule metabolites at E18, E27 and E34 of Jiaji ducks. Several thousand differentially expressed genes (DEGs) were detected among E18, E27 and E34. DEGs expression profiles included 8 trend maps, among which trend 1 was opposite to and trend 6 was consistent with breast muscle development trend of Jiaji ducks. Through joint analysis between trend 1 of DEGs and trend 1 of differential metabolites (DEMs), protein digestion and absorption pathway stood out. The decrease of COL8A2 gene expression will lead to the decrease of arginine content, which will inhibit the development of breast muscle in embryonic Jiaji duck. Similarly, joint analysis between trend 6 of DEGs and trend 6 of DEMs indicated the increase of GAMT gene expression will cause the increase of proline content, and then promote the development of breast muscle of Jiaji duck in embryonic period. These results will be helpful for further understanding the mechanism of muscle yields of Jiaji ducks.

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A Preliminary Study of Chemically Preserved and High-Moisture Whole Maize (Zea mays L.) Usage in Pekin Duck Nutrition: Effect on Growth Performance and Selected Internal Organ Traits

Cited by 4 publications

References 35 publications

The First Report of The Growth Performance and Environmental Sustainability Effects of Dietary Insect Meal Application on The Jardine River Turtle (Emydura Subglobosa)

The First Report of The Growth Performance and Environmental Sustainability Effects of Dietary Insect Meal Application on The Jardine River Turtle (Emydura Subglobosa)

Production Efficiency and Utility Features of Broiler Ducks Fed with Feed Thinned with Wheat Grain

Integrated transcriptomics and metabolomics study of embryonic breast muscle of Jiaji ducks

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