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Open AccessArticle

Effect of Dietary Protein Sources Substituting Soybean Meal on Growth Performance and Meat Quality in Ducks

1
Department of Animal Breeding, Faculty of Animal Breeding and Biology, UTP-University of Science and Technology in Bydgoszcz, Mazowiecka 28, 85-084 Bydgoszcz, Poland
2
Department of Animal Nutrition and Feed Management, UP Poznań University of Life Sciences, Wołyńska 33, 60-637 Poznań, Poland
*
Author to whom correspondence should be addressed.
Animals 2020, 10(1), 133; https://doi.org/10.3390/ani10010133 (registering DOI)
Received: 21 October 2019 / Revised: 13 December 2019 / Accepted: 10 January 2020 / Published: 14 January 2020
(This article belongs to the Special Issue Alternatives Protein in Animal Nutrition)
The presented results are from a scientific trial, in which vegetable protein from legumes was tested as an alternative to soybean meal in feed for Pekin ducks. Meat traits were evaluated, and the results showed that yellow lupin and rapeseed meal can be used as a substitute for soybean meal, as they provide similar productivity effectiveness and meat quality traits. The results demonstrate that there is a possibility of presenting a wider choice for duck producers and the consumer market.
The study aimed to examine the growth performance and meat quality of Pekin ducks fed diets consisting of various protein source alternatives (groups: II—yellow lupin (YL) and rapeseed meal (RSM); III—YL and narrow-leaved lupin (NLL); IV—pea and YL; V—RSM, YL, NLL and pea) to (I) soybean meal (SBM) and RSM. Four hundred and twenty ducks were assigned to five groups with six replicates (14 birds per group). After 7 weeks, 10 ducks from each group were slaughtered. Breast muscles were analyzed for water-holding capacity, drip loss, color, and elasticity. Productivity parameters did not differ between groups I and II but were lower in V. The weight of carcass, neck with skin, skin with subcutaneous fat and total fat were highest in group II. The proportion of wings was higher in group V. In group II, lightness (L*) was higher, but redness (a*) was lower. In groups, I and III, L* was lower and a* was higher. Breast muscles contained more protein in groups I and II, more fat in groups I and III and more water in groups II and IV. The inclusion of vegetable protein alternatives to SBM in duck diets provided the best results in birds fed with YL and RSM (ratio of 1:0:31 in starter and 1:0.81 in grower). View Full-Text
Keywords: body weight; carcass; dressing percentage; duck; fat content; legume seeds; muscle content body weight; carcass; dressing percentage; duck; fat content; legume seeds; muscle content
MDPI and ACS Style

Kuźniacka, J.; Biesek, J.; Banaszak, M.; Rutkowski, A.; Kaczmarek, S.; Adamski, M.; Hejdysz, M. Effect of Dietary Protein Sources Substituting Soybean Meal on Growth Performance and Meat Quality in Ducks. Animals 2020, 10, 133.

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