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Barsila SR, Devkota NR, Kreuzer M, et al. Effects of different stocking densities on performance and activity of cattle × yak hybrids along a transhumance route in the Eastern Himalaya. Springerplus. 2015;4:398doi: 10.1186/s40064-015-1175-4.
Barsila, S. R., Devkota, N. R., Kreuzer, M., & Marquardt, S. (2015). Effects of different stocking densities on performance and activity of cattle × yak hybrids along a transhumance route in the Eastern Himalaya. SpringerPlus, 4398. https://doi.org/10.1186/s40064-015-1175-4
Barsila, Shanker R, et al. "Effects of different stocking densities on performance and activity of cattle × yak hybrids along a transhumance route in the Eastern Himalaya." SpringerPlus vol. 4 (2015): 398. doi: https://doi.org/10.1186/s40064-015-1175-4
Barsila SR, Devkota NR, Kreuzer M, Marquardt S. Effects of different stocking densities on performance and activity of cattle × yak hybrids along a transhumance route in the Eastern Himalaya. Springerplus. 2015 Aug 07;4:398. doi: 10.1186/s40064-015-1175-4. eCollection 2015. PMID: 26261756; PMCID: PMC4526511.
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Springerplus. 2015 Aug 07;4:398. doi: 10.1186/s40064-015-1175-4. eCollection 2015.

Effects of different stocking densities on performance and activity of cattle × yak hybrids along a transhumance route in the Eastern Himalaya.

SpringerPlus

Shanker R Barsila, Naba R Devkota, Michael Kreuzer, Svenja Marquardt

Affiliations

  1. ETH Zurich, Institute of Agricultural Sciences, Universitätstrasse 2, 8092 Zurich, Switzerland.
  2. Agriculture and Forestry University, Directorate of Research and Extension, Chitwan, Nepal.

PMID: 26261756 PMCID: PMC4526511 DOI: 10.1186/s40064-015-1175-4

Abstract

Twelve lactating cattle × yak hybrids (B. taurus × B. grunniens) were investigated on five experimental pastures (Sites 1-5), following an up- and downward transhumance route (3,200, 4,000, 4,500, 4,000 and 2,600 m a.s.l.). Hybrids were kept in replicated groups of two (low SD) and four animals per paddock (high SD). As a control, yaks (with calves) were included at low SD at Sites 2-4. Performance was described by body weight, milk yield and composition. Herbage samples as selected by the animals were analyzed. Activity patterns of the hybrids were assessed at Sites 2-4. At similar body weight change and milk composition, the individual hybrids on average produced 26% less milk at high than at low SD. However, at high SD on average still 49% more milk/m(2) of pasture area was produced. Milk fat increased with time from 5.4 to 7.1%, milk protein decreased from 4.2 to 3.3%. At high SD, the hybrids spent less time standing and more time lying. The yaks gained weight at 4,500 m a.s.l. while the hybrids lost weight (+836 and -653 g/animal/day, respectively). In conclusion, high SD reduced individual milk yield and forced hybrids to spend more time for feeding. The yaks apparently had an advantage over the hybrids at very high altitude.

Keywords: Grasslands; Himalaya; Hybrids; Milk composition; Nepal; Yaks

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