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"Experientia docet" - Experience is the best teacher

Effects of ractopamine and gender on protein turnover in skeletal muscle of implanted steers and heifers

  • 2011
  • Issue: 1
  • Volume: 41
D.K. Walker, E.C. Titgemeyer, D.E. Johnson, S.B. Laudert & B.J. Johnson Page: 16 - 23

Effects of the β-agonist, ractopamine-HCl (ractopamine), on skeletal muscle protein turnover were evaluated in 16 steers (512 kg) and 16 heifers (473 kg).  Treatments were arranged in a 2 × 2 factorial design and included gender (steer vs. heifer) and…

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Effect of supplemental fat in low energy diets on some blood parameters and carcass characteristics of broiler chicks

  • 2011
  • Issue: 1
  • Volume: 41
A. Monfaredi, M. Rezaei & H. Sayyahzadeh Page: 24 - 32

This experiment evaluated the effects of two fat sources on performance, some blood parameters and carcass characteristics of broiler chicks. One hundred and eighty day-old broiler chicks were randomly assigned to five dietary treatments (three replicates of 12 birds per…

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Do broiler chicks possess enough growth potential to compensate long-term feed and water depravation during the neonatal period?

  • 2011
  • Issue: 1
  • Volume: 41
F. Abed, A. Karimi, Gh. Sadeghi, M. Shivazad, S. Dashti & A. Sadeghi-Sefidmazgi Page: 33 - 39

Broiler performance to the end of the rearing period may be negatively influenced by delayed access to feed and water immediately after hatch. This study was conducted with 320 Ross 308 broiler chicks, to evaluate the influence of delayed access…

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Polymorphism of the prolactin gene and its association with egg production traits in native Chinese ducks

  • 2011
  • Issue: 1
  • Volume: 41
Cui Wang, Zhenhua Liang, Wenhua Yu, Yanping Feng, Xiuli Peng, Yanzhang Gong & Shijun Li Page: 63 - 69

As a candidate gene related to egg production, prolactin plays a crucial role in the reproduction of birds. In this study, polymorphism of the prolactin gene was screened in six Chinese native duck breeds (Shanma, Shaoxing, Youma, Jinyun, Jingjiang and…

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Nutrient intake, acid base status and weight gain in water buffalo calves fed different dietary levels of sodium bicarbonate

  • 2011
  • Issue: 2
  • Volume: 41
M. Sarwar, M.A. Shahzad, M. Nisa & S. Amjad Page: 94 - 103

The impact of different dietary levels of sodium bicarbonate (NaHCO3) on nutrient intake, acid-base status, nitrogen balance and weight gain was examined in growing male buffalo (Bubalus bubalis) calves exposed to hot summer conditions. In a complete randomized block design…

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Modelling growth of five different colour types of mink

  • 2011
  • Issue: 2
  • Volume: 41
Zong-yue Liu, Fang-yong Ning, Zhi-heng Du, Chun-san Yang, Jing Fu, Xing Wang & Xiu-juan Bai Page: 116 - 125

The objective of this study was to estimate and compare the growth curve parameters for live weight of standard black, brown, mahogany, Hedlund white and sapphire minks. The data were collected from five colour types in the period from seven…

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Use of anise seed and/or α-tocopheryl acetate in laying Japanese quail diets

  • 2011
  • Issue: 2
  • Volume: 41
E.V. Christaki, E.M. Bonos & P.C. Florou-Paneri Page: 126 - 133

An experiment was conducted to investigate the possible use of anise (Pimpinella anisum) and/or α-tocopheryl acetate as dietary supplements on the performance and some egg quality characteristics of laying Japanese quail. One hundred and eight Coturnix japonica quail (72 females…

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Effects of supplementing humates on rumen fermentation in Holstein steers

  • 2011
  • Issue: 2
  • Volume: 41
C.P. McMurphy, G.C. Duff, S.R. Sanders, S.P. Cuneo & N.K. Chirase Page: 134 - 140

Humates have nitrogen-binding qualities that could prove to be beneficial in the retention of ammonia nitrogen in the rumen of Holstein steers fed a high-concentrate finishing diet. Therefore, four ruminally fistulated Holstein steers were used in a 4 x 4…

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The effect of dosing Megasphaera elsdenii NCIMB 41125 (Me) on lactation performance of multiparous Holstein cows (Short communic

  • 2011
  • Issue: 2
  • Volume: 41
P.H. Henning, L.J. Erasmus, H.H. Meissner & C.H. Horn Page: 156 - 160

The objective of the study was to determine whether early post-partum dosing of Megasphaera elsdenii NCIMB 41125 (Me) will be beneficial to performance of high producing TMR-fed cows. Sixty multiparous Holstein cows were randomly allocated to four treatments (60% or…

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