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Feed bunk management effects steer performance and behaviour

Abstract
Animal performance and behaviour in fattening steers using ad libitum or restricted feed-bunk management were evaluated. High store-capacity self-feeders with weekly recharge were used in ad libitum management (ADLIB), while manual twice-a-day delivery was used in restricted management (REST). Twenty-four steers were allotted to 12 pens and fed with a high corn-grain diet without roughage, and randomly assigned to one of the treatments. Animal behaviour [ver mas...]
Animal performance and behaviour in fattening steers using ad libitum or restricted feed-bunk management were evaluated. High store-capacity self-feeders with weekly recharge were used in ad libitum management (ADLIB), while manual twice-a-day delivery was used in restricted management (REST). Twenty-four steers were allotted to 12 pens and fed with a high corn-grain diet without roughage, and randomly assigned to one of the treatments. Animal behaviour was recorded every 5 min throughout 24 h for 3 days. No bunk-management effect was evident in bodyweight (P 0.95) or average daily gain (P = 0.91). Even though ADLIB resulted in higher dry-matter intake (P = 0.03), the animals spent less time per day eating feed than did those under REST (P < 0.01), with more eating sessions per day (P = 0.02), which were shorter (P = 0.06). Rumination time was greater (P = 0.07) under ADLIB than under REST, while the opposite was observed for time spent eating (P < 0.01). Resting time was longer in animals under ADLIB (P = 0.02), with more sessions per day (P = 0.06), than under REST. In conclusion, the two feed-bunk managements evaluated had no negative implications either for animal performance or behaviour. [Cerrar]
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Author
Della Rosa, Maria Milagros;   Toffaletti, Jose Rodolfo;   Aello, Mario;   Burges, Julio Cesar;  
Fuente
Animal production science AN18614
Date
2020-03-19
Editorial
CSIRO
ISSN
1836-0939
1836-5787 (Online)
URI
http://hdl.handle.net/20.500.12123/7100
https://www.publish.csiro.au/an/AN18614
DOI
https://doi.org/10.1071/AN18614
Formato
pdf
Tipo de documento
artículo
Palabras Claves
Ganado Bovino; Cattle; Alimentación de los Animales; Animal Feeding; Comportamiento Animal; Animal Behaviour; Granos; Grain; Maíz; Maize; Beef Cattle; Ganado de Carne;
Derechos de acceso
Restringido
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Excepto donde se diga explicitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
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