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Effect of dietary chromium, vitamin E and selenium supplementation on growth performance and cost economics of Holstein Friesian calves under heat stress

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Title Effect of dietary chromium, vitamin E and selenium supplementation on growth performance and cost economics of Holstein Friesian calves under heat stress
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Creator Razia Sultana Janampet, Sarat Chandra Amaravadhi, Ramana, D.B.V., Raghunandan Thirunahari, Gnana Prakash Manthani and Venkateswarlu Malisetty
 
Subject Calves, Chromium, Economics, Growth performance, Heat stress
 
Description Not Available
A study was conducted in Holstein Friesian calves with an average body weight 172.79 ±4.39 kg and aged 7-8 months for a
period of 90 days during the months of peak summer (April 15-July 15). Calves were distributed randomly into four dietary
treatment groups of six animals each considering their body weights. The treatment groups were T0 (control), T1, T2 and T3.
The calves of control group were fed total mixed ration (TMR). Other treatment groups were fed with TMR supplemented
with chromium propionate @ 0.5mg/kg DM (T1); vitamin E @ 500 IU/animal/day and selenium @ 0.3 mg/kg DM (T2) and
chromium propionte @ 0.5 mg/kg DM, vitamin E @ 500 IU/animal/day and selenium @ 0.3 mg/kg DM (T3). The mean THI
values were 75.10±0.42 in the morning and 80.01 ±0.64 in the afternoon indicating that the animals were under mild to moderate
heat stress. High THI was found in the month of May with a THI value 83.48±1.41 in the afternoon. Dry matter intake (kg/d),
DMI per 100 kg BW and per kg BW 0.75 were comparable among the calves fed different experimental rations. DMI per kg
weight gain was significantly (P
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Date 2023-02-14T03:53:15Z
2023-02-14T03:53:15Z
2020-01-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/76186
 
Language English
 
Relation Not Available;
 
Publisher Not Available