A Meta-analysis Describing the Effects of the Essential oils Blend Agolin Ruminant on Performance, Rumen Fermentation and Methane Emissions in Dairy Cows
Ver/Abrir
Autor/a
Belanche, Alejandro
Newbold, Charles J.
Morgavi, Diego P.
Zweifel, Beatrice
Yáñez-Ruiz, David R.
Fecha de publicación
2020-04-03ISSN
2076-2615
Resumen
There is an increasing pressure to identify feed additives which increase productivity or decrease methane emissions. This paper aims to elucidate the effects of supplementing a specific essential oils blend Agolin® Ruminant on the productivity of dairy cows in comparison to non-treated animals. A total of 23 in vivo studies were identified in which Agolin was supplemented at 1 g/d per cow; then a meta-analysis was performed to determine the response ratio on milk yield, rumen fermentation, methane emissions and health. Results indicated that an adaptation period of at least 4 weeks of treatment is required. Whereas short-term studies showed minor and inconsistent effects of Agolin, long-term studies (>4 weeks of treatment) revealed that Agolin supplementation increases milk yield (+3.6%), fat and protein corrected milk (+4.1%) and feed efficiency (+4.4%) without further changes in milk composition and feed intake. Long-term treatment also decreased methane production per day (−8.8%), per dry matter intake (−12.9%) and per fat and protein corrected milk yield (−9.9%) without changes in rumen fermentation pattern. In conclusion, despite the mode of action is still unclear and the small number of studies considered, these findings show that Agolin represents an encouraging alternative to improve productivity in dairy cows
Tipo de documento
Artículo
Versión del documento
Versión publicada
Lengua
English
Materias (CDU)
59 - Zoología
619 - Veterinaria
636 - Explotación y cría de animales. Cría del ganado y de animales domésticos
Páginas
15
Publicado por
MDPI
Publicado en
Animals
Citación
Belanche, Alejandro, Charles Newbold, Diego Morgavi, Alex Bach, Beatrice Zweifel, and David Yáñez-Ruiz. 2020. "A Meta-Analysis Describing The Effects Of The Essential Oils Blend Agolin Ruminant On Performance, Rumen Fermentation And Methane Emissions In Dairy Cows". Animals 10 (4): 620. doi:10.3390/ani10040620.
Program
Producció de Remugants
Este ítem aparece en la(s) siguiente(s) colección(ones)
- ARTICLES CIENTÍFICS [2831]
Excepto si se señala otra cosa, la licencia del ítem se describe como http://creativecommons.org/licenses/by/4.0/