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Proceedings of the International Academy of Ecology and Environmental Sciences, 2019, 9(1): 6-13
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Article

Performance and some blood biochemical in male Holstein calves fed by different levels of calcium salts of fatty acids supplementation

Ahad Bigdeli Khajehdizaji1, Rasoul Pirmohammadi2, Akbar Taghizadeh3, Ahad Golghasem Gharehbagh4, Omid Hamidi1, Zeinal Hemmati2
1Department of Animal Sciences, Maragheh Branch, Islamic Azad University, Maragheh, Iran
2Department of Animal Sciences, Agriculture Faculty, Urmia University, Urmia, Iran
3Department of Animal Sciences, Agriculture Faculty, Tabriz University, Tabriz, Iran
4Agriculture Sciences Faculty, Payam e Noor University, Tehran, Iran

Received 2516 December 2018;Accepted 1 January 2019;Published 1 March 2019
IAEES

Abstract
This study was conducted to investigate the effect of different levels of calcium salts of fatty acids (CSFA) on performance in Holstein calves. A total of sixteen17 month of age male Holstein calves with average of (540¡À5 kg) weight were selected and divided into four groups in order to the experimental complete randomized block design. The calves were fed by control groups with no fat protected and 2, 4 and 6 percentages of fat protected oils until 60 days. Feed intake, Body weight gain and feed conversion ratio were measured. The blood samples were taken to investigate the serum content of plasma protein, glucose, calcium, phosphorus, cholesterol, triglyceride, LDL and HDL. Additionally, the fat and protein digestibility in each group were measured. Data from this study showed that the highest FI and BW and the better FCR was related to the calves fed by 2% fat protected supplement but there were no significant effects on calves performance between treatments. Feeding the fat protected supplementations lead to higher protein and fat digestibility none significantly. The higher use of calcium salts of fatty acids supplements lead to higher serum triglyceride, cholesterol, calcium and LDL significantly (p¡Ü0.05). There were no significant differences between treatments about glucose, phosphorous and protein content in the calves feed by different levels of calcium salts of fatty acids supplements. In conclusion, we could demonstrated that using of different levels of calcium salts of fatty acids may have beneficial effects on performance and some blood biochemical in the male Holstein calves.

Keywords blood biochemical;calcium salts of fatty acids;performance;Holstein calves.


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