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OJVRTM
Online Journal of Veterinary
Research©
Volume 19(9):
613-622, 2015.
Effects
of chromium methionine and cinnamon supplements on performance and blood values
in heat stressed Holstein calves
Hossain Ali Fatahi,
Mohammad Amiri Andi, Farhad
Ahmadi
Department of Animal Science, Sanandej Branch, Islamic Azad University, Kurdistan, Iran
ABSTRACT
Ali
Fatahi H, Amiri Andi M,
Ahmadi F., Effects of methionine and cinnamon supplement on performance and
blood values in heat stressed Holstein calves, Onl J
Vet Res., 19(9):
613-622, 2015. Groups
of 10 Holstein <4 day old female calves
each, were supplemented with a milk replacer for 8 weeks during summer with chromium-L-methionine (Cr-Met) 1 mg kg, 40 mg Ci-EO/kg or 40 mg cinnamon essential oil (Ci-EO) with 1mg/kg. Controls were given milk replacer
without supplement. Gain, feed
conversion ratio (FCR) was measured twice weekly and dry matter intake (DMI)
daily. Calves supplemented with Cr-Met and
Ci-EO alone or combined, showed higher gain, DMI and FCR values compared with controls. Serum cortisol, glucose and total lipid
values decreased whereas insulin and total protein values increased. Calves supplemented with Cr-Met
showed higher plasma concentration of
chromium compared with controls but albumin values remained unchanged. The
findings suggest that supplementation
with Cr-Met and Ci-EO may affect performance and metabolic status values in
female calves reared under heat stress.
Key words: blood parameters, chromium, cinnamon
essential oil, performance, plasma chromium
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