期刊
WORLDS POULTRY SCIENCE JOURNAL
卷 77, 期 3, 页码 639-659出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00439339.2021.1959277
关键词
Feed; feeding; nutrition; amino acids; minerals; enzymes; environment; feedstuffs
资金
- Ministero dell'Istruzione, dell'Universita e della Ricerca [PRIN National Grant] [2017S229WC]
The global demand for broiler chicken production is expected to increase significantly in the coming decades, leading to a need for enhanced bird productivity while maintaining economic and environmental sustainability. Improving feed efficiency is crucial for promoting sustainable intensification of poultry production, with potential for feed additive-based nutritional strategies to play a key role in supporting this crucial livestock sector.
Broiler chicken production is expected to increase significantly in the next decades to satisfy the poultry meat demand of a growing world population. In this scenario, one of the most important challenges for the poultry industry is to enhance bird productivity while remaining economically and environmentally sustainable. Feeding represents the major cost in raising of broiler chickens and has important implications for environmental impact, either directly or indirectly. Therefore, improving broiler capacity in converting ingested feed into body growth, which is generally referred to as feed efficiency (often expressed through the feed conversion ratio), is fundamental to promoting a sustainable intensification of poultry production. In this review, we highlight the importance of feed efficiency improvements in terms of overall sustainability for the broiler chicken production chain. Furthermore, the potential of feed additive-based nutritional strategies, such as the dietary administration of crystalline amino acids, proteases, phytases and organic minerals, is critically discussed in the light of their role in supporting the sustainable intensification of this crucial livestock sector.
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