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"Experientia docet" - Experience is the best teacher

Effect of maternal yeast feeding on dam performance and serum health biomarkers of Beetal goat kids

  • 2020
  • Issue: 2
  • Volume: 50
S. Abbas, M.A. Rashid, M.S. Yousaf, S. Ashraf, I. Rabbani, H. Zaneb, S.K. Tahir, A.H. Shahzad & H. Rehman Page: 282 - 290

Supplementation with dietary yeast has improved digestibility and productive performance in ruminants. In this research the primary objective was to appraise the effects of dietary yeast supplementation of female goats during the transition period on milk composition and yield and…

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Effect of zinc sources on milk yield, milk composition and plasma concentration of metabolites in dairy cows

  • 2019
  • Issue: 5
  • Volume: 49
S. Bakhshizadeh, F. Mirzaei Aghjehgheshlag, A. Taghizadeh, J. Seifdavati & B. Navidshad Page: 884 - 891

This study was conducted to evaluate the effects of different sources of zinc (Zn) on feed intake, milk yield, milk composition, and blood metabolites. Twenty-four dairy cows were randomly allocated to one of four treatments in a randomized complete block…

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Pre- and postpartum effects of starch and fat in dairy cows: A review

  • 2018
  • Issue: 3
  • Volume: 48
B. A. Useni, C. J. C. Muller & C. W. Cruywagen Page: 413 - 426

This review discusses the effects of starch and fat before and after calving on metabolism, energy balance (EB), milk production, and reproduction in dairy cows. The shift in dairy cows from a pregnant non-lactating state to a non-pregnant lactating state…

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Comparison of greenhouse gas emissions from Mexican intensive dairy farms

  • 2018
  • Issue: 1
  • Volume: 48
J. A. Rendón-Huerta, J. M. Pinos-Rodríguez, E. Kebreab, J. C. García-López & J. G. Vicente Page: 48 - 55

The objectives of this study were to compare estimates of greenhouse gas emissions (GHG) as CH4 (enteric-manure), N2O (manure), and CO2 (fuel and energy use), the use of water and soil, the excretion of nutrients in manure, and feed efficiency…

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Estimates of lactation curve parameters for Bonsmara and Nguni cattle using the weigh-suckle-weigh technique

  • 2013
  • Issue: 5
  • Volume: 43
A. Maiwashe, N.B. Nengovhela, K.A. Nephawe, J. Sebei, T. Netshilema, H.D. Mashaba, L. Nesengani & D. Norris Page: 12 - 16

Milk production accounts for about 60% of the variation in weaning weight and is therefore considered an economically important trait in beef production. However, milk production data is not routinely available in beef improvement programmes and therefore weaning weight is…

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Effects of ratios of non-fibre carbohydrates to rumen degradable protein in diets of Holstein cows: 1. Feed intake, digestibilit

  • 2010
  • Issue: 3
  • Volume: 40
A. Afzalzadeh, H. Rafiee, A.A. Khadem and A. Asadi Page: 204 - 212

To evaluate the effect of different ratios of non-fibre carbohydrates (NFC) to rumen degradable protein (RDP) on lactation responses, digestion and dry matter intake (DMI), nine multiparous mid-lactation Holstein cows, averaging 171  ±17 days in milk and 24.1 ± 3.3…

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Influence of supplemental aminooligosaccharides on in vitro disappearance of diets for dairy cattle and its effects on milk yiel

  • 2010
  • Issue: 4
  • Volume: 40
J.A. Sánchez, J.M. Pinos-Rodríguez, S.S. González, J.R. Barcena and J.C. García Page: 294 - 300

Two experiments were conducted to evaluate the influence of supplemental aminooligosaccharides (AOS) on the disappearance and fermentation of diets for lactating cows, and its effects on milk yield and quality. In the first study, diets containing 0 or 0.2% AOS…

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Pasture systems for milk production in northern Australia

  • 1983
  • Issue: 1
  • Volume: 13
P.N. Thurbon, G.D. Chopping, T.M. Davison & R.T. Cowan Page: 7 - 9

Substantial increases in milk production can be achieved using improved pastures. When grazed at lenient stocking rates ( <1,6 cows/ha) milk yields of Friesian cows was ca. 4000 L/lactation. Productivity per unit area is increased when fertilizer nitrogen is used to…

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Benutting van appelreste in diëte vir lammers en melkkoeie

  • 1986
  • Issue: 4
  • Volume: 16
H.J. van der Merwe, E.L.J. Kleinhans & W.A. Kottler Page: 192 - 196

    Utilization of apple residue in diets for lambs and milking cows The effect of replacing 0%, 33%, 66% and 100% of the maize meal with apple residue in a growth diet containing 45% roughage for lambs was investigated.…

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The effect of supplementation on milk yield in Boer goat ewes

  • 1988
  • Issue: 3
  • Volume: 18
J.G. Raats Page: 97 - 100

The effect of supplementation on the milk production of Boer goat ewes maintained under veld conditions (grass-/bush community) was studied over a 12-week lactation period. An average of 625 g concentrates was consumed per ewe per day. Supplemented ewes produced…

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