Abstract
ABSTRACT The objective of this study was to determine the effects of raw bee propolis and water or ethanol extract of propolis on growth performance, some blood parameters, and immunoglobulins in 15-20-week-old Ross-308 broiler breeders. The birds in the control were fed a diet without propolis, whereas the birds in the treatment groups were fed diets with raw propolis (RP), water (WEP), and ethanol (EEP) extract of propolis at the level of 1200, 400, and 400 ppm, respectively. Raw propolis [...]
Highlights
The main purpose of the growth of broiler breeders is to create a uniform flock in terms of high egg production and hatchability
The use of diets supplemented with feed additives assumed to boost the immune system and improve comfort is investigated as another application in broiler breeder nutrition
Levels of anti-Newcastle disease virus (NDV) and anti-infectious bursal disease virus (IBDV) antibodies as the S:P ratio were higher in EEP- and raw propolis (RP)-fed groups than those of the control and WEP treatment (P
Summary
The main purpose of the growth of broiler breeders is to create a uniform flock in terms of high egg production and hatchability. The use of diets supplemented with feed additives assumed to boost the immune system and improve comfort is investigated as another application in broiler breeder nutrition In this context, medicinal and aromatic plants and their extracts with antimicrobial and antioxidant properties are thought to be effective on the performance and immune systems of animals in the grower period of breeders (Fan et al, 2010, 2012; Licciardi and Underwood, 2011; Rahimi et al, 2011; Eyng et al, 2013). To eliminate this pressure on broiler breeder chickens, a series of research is still required on various feed additives such as bee products (Eyng et al, 2015; Ozturk et al, 2015; Konanç and Ozturk, 2016; Kop Bozbay et al, 2016)
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