The Effects of Decreasing Dietary Crude Protein on the Growth Performance, Feed Efficiency and Meat Quality of Finishing Charolais Bulls.
dietary protein
digestibility
economic assessment
finishing beef cattle
meat quality
Journal
Animals : an open access journal from MDPI
ISSN: 2076-2615
Titre abrégé: Animals (Basel)
Pays: Switzerland
ID NLM: 101635614
Informations de publication
Date de publication:
01 Nov 2019
01 Nov 2019
Historique:
received:
06
09
2019
revised:
15
10
2019
accepted:
21
10
2019
entrez:
6
11
2019
pubmed:
7
11
2019
medline:
7
11
2019
Statut:
epublish
Résumé
This study aimed to evaluate the effect of decreasing dietary crude protein (CP) on the performance of finishing Charolais bulls in the Italian rearing system. Animals were fed two diets, differing only in the CP level (low protein (LP), 13.5% CP versus control (CON), 15.0% CP). Dry matter (DM) intake (DMI) and animals' weights were recorded to obtain average daily gain (ADG) and feed conversion rate (FCR). Feed and fecal samples were collected to evaluate digestibility of diet components. Daily cost of the ration (DRC), feed cost per kg of daily weight gain (CDG) and daily gross margin (DGM) were calculated to analyze the possible benefits of decreasing the protein level. Meat quality analyses were also conducted. Higher DMI (10.6 versus 10 kg/d;
Identifiants
pubmed: 31683971
pii: ani9110906
doi: 10.3390/ani9110906
pmc: PMC6912554
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Università degli Studi di Padova
ID : DOR1780348
Déclaration de conflit d'intérêts
The authors declare no conflict of interest.
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