Resumo

ANGULO-ARIZALA, Joaquín et al. Food industry waste (snacks) as feedstuff in a Highland Colombian dairy. Cienc. Tecnol. Agropecuaria [online]. 2022, vol.23, n.1, e2055.  Epub 31-Dez-2021. ISSN 0122-8706.  https://doi.org/10.21930/rcta.vol23_num1_art:2055.

This research aimed to evaluate the inclusion of byproducts from snacks industry in dairy cows’ feed. In the north of Antioquia (Colombia), 10 Holstein cows were selected and subjected to two treatments: concentrate feed formulated with snacks by-products (SN) and conventional concentrate based on corn (CO), with five animals in each treatment. The research was subjected to crossover design in a sequence AB/BA. Data regarding quality milk, intake of forage (CF), concentrate (CC), total dry matter intake (CMT), and productions cost were collected. Data analyses were conducted using mixed models. Treatment did not affect (p > 0.05) the CF or CMT, but affect (p < 0.05) CC, with more concentrate intake in SN. The inclusion of snacks by-products resulted in the same milk production and quality (p > 0.05) compared to CO, but with less costs. The economic analysis showed a differential net margin per cow/day of USD 0.17 for SN. This research suggested that inclusion of snacks by-products in dairy cows feed do not affect milk production and quality but result in fewer production costs and better net margins. These outcomes could improve the competitiveness of dairy farms.

Palavras-chave : by-products; concentrate feed; dairy cattle; feed consumption; gross margins; milk quality; milk yield; production costs; snacks foods.

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