RT Journal Article
T1 Supplementing the Diet of Dairy Goats with Dried Orange Pulp throughout Lactation: I. Effect on Milk Performance, Nutrient Utilisation, Blood Parameters and Production Economics
A1 Guzmán Guerrero, José Luis
A1 Martín García, Ignacio
A1 Pérez-Écija, Alejandro
A1 García-Brenes, Manuel David
A1 Zarazaga Garcés, Luis Ángel
A1 Delgado Pertiñez, Manuel
AB Dried orange pulp (DOP) can be incorporated into ruminant diets, but no reports haveconsidered this strategy during the entire lactation period in goats. Two experiments were performedusing lactating Payoya goats. In experiment 1, to study the effect, over 180 days, of DOP on milkyield and composition, blood metabolites and economic values, 44 primiparous goats were allocatedinto three groups: control diet (concentrate plus lucerne) and DOP40 and DOP80 diets, in which DOPreplaced 40% and 80%, respectively, of the cereals. Nutrient digestibility and rumen fermentationwere also studied (experiment 2). The DOP diets did not affect milk yield and composition. DOPtriggered lower intake and digestibility of ether extract and crude protein. Ruminal fermentation wasunaffected by DOP, except for a decrease in butyrate for DOP80. The energy balance was unalteredby diet while the balance and retention of nitrogen decreased. Regarding plasma biochemistry,DOP supplementation caused changes that could indicate an improvement in hepatic functionand reduced muscular damage and oxidative muscular stress. Moreover, DOP80 provided a profitincrease of EUR 3.27/goat. In conclusion, the partial replacement of cereals by DOP is a profitableand healthy nutritional strategy in dairy goats and is suitable for the entire lactation period withoutcompromising productivity.
PB MDPI
SN 2076-2615
YR 2021
FD 2021-09-04
LK http://hdl.handle.net/10272/20061
UL http://hdl.handle.net/10272/20061
LA eng
NO Guzmán, J.L.; Martín-García, I.; Pérez-Écija, A.; García-Brenes, M.D.; Zarazaga, L.Á.; Delgado-Pertíñez, M. Supplementing the Diet of Dairy Goats with Dried Orange Pulp throughout Lactation: I. Effect on Milk Performance, Nutrient Utilisation, Blood Parameters and Production Economics. Animals 2021, 11, 2601. https://doi.org/10.3390/ ani11092601
NO The authors are grateful to Excma.  Diputación Provincial de Huelva (Spain) for their financial support, Cítricos del Andévalo, S.A. (García Carrión) for supplying pellets ofdehydrated orange pulp and OVIPOR, Soc. Coop. for their contribution to the preparation of diets.The authors wish to thank the farm staff of Huelva University for their technical support and the Servicio General de Investigación Agraria (Universidad de Sevilla, Spain) for technical assistance with laboratory analysis
DS Repositorio Institucional de la Universidad de Huelva
RD 31 may 2026