Skip to content

"Experientia docet" - Experience is the best teacher

Effects of dietary supplementation with yeast chromium or dihydropyridine on milk composition and serum biochemical indices of periparturient dairy cows under heat stress

  • 2023
  • Issue: 5
  • Volume: 53
L.W. Zhang, Y.F. Zhang, C. Wang, S.Q. Wang, S.B. Zhang, J.D. Li, S. Gao, Z.L. Qi#, & H.J. Chen Page: 637 - 648

The objective of the current study was to evaluate the effects of dietary supplementation with chromium yeast (Cr-yeast) and dihydropyridine (DHP) on nutrient utilization, milk composition, and antioxidative status of prepartum dairy cows under heat stress. Twenty-four perinatal dairy cows…

Read more

Effects of replacing soybean meal with slow-release urea on milk production of Holstein dairy cows

  • 2021
  • Issue: 1
  • Volume: 51
S. Hallajian, J. Fakhraei, H.M. Yarahamdi & K.J. Khorshidi Page: 53 - 64

The study investigated the effects of replacing soybean meal (SBM) with slow-release urea (SRU) on milk production, milk composition, and rumen fermentation of Holstein dairy cows. Sixteen Holstein cows weighing between 550 and 680 kg in mid lactation were randomly…

Read more

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…

Read more

Use of electrical bioimpedance analysis to evaluate the quality of bovine raw milk

  • 2019
  • Issue: 4
  • Volume: 49
L.L. Schumacher, J. Viégas, S. Naetzold, T.J. Tonin, L. Rocha, L. Cauduro, A.B. Moro & S.S. Robalo Page: 727 - 734

The objective of the present study was to use electrical bioimpedance analysis (BIA) as an alternative method of evaluating the quality of bovine raw milk. Fourteen lactating purebred Dutch cows were used. For the analyses of milk quality and electrical…

Read more

The effect of monensin on milk production, milk urea nitrogen and body condition score of grazing dairy cows

  • 2001
  • Issue: 1
  • Volume: 31
B.J. van der Merwe, T.J. Dugmore and K.P. Walsh Page: 49 - 55

Twenty Holstein-Friesian cows, two to four months postpartum, were randomly assigned to two groups. The control group received no monensin, whereas the treatment group received 300 mg monensin per cow per day. Cows grazed kikuyu pasture and received maize-based concentrates…

Read more

The effect of concentrate supplementation on the productivity of grazing Jersey cows on a pasture based system

  • 2006
  • Issue: 2
  • Volume: 36
R. Meeske, A. Rothauge, G.D. van der Merwe and J.F. Greyling Page: 105 - 110

The effect of concentrate feeding on milk production, milk composition, live weight, condition score and intercalving period of 60 Jersey cows grazing high quality pastures over two lactations was determined. Cows were fed at a no (NC), low (LC), medium…

Read more

Interrelationships between the activities of the plasmin system in goats and sheep experiencing subclinical mastitis, casein deg

  • 2004
  • Issue: 5
  • Volume: 34
N. Silanikove, F. Shapiro, G. Leitner and U. Merin Page: 192 - 194

The present report focuses on how the differences in the plasmin (PL) system between sheep and goats are reflected in their response to subclinical intramammary infection (IMI), particularly in respect to casein (CN) degradation and milk yield (MY). Plasmin is…

Read more

Fish meal supplementation to early lactation Jersey cows grazing ryegrass pasture

  • 2008
  • Issue: 4
  • Volume: 38
E.R. Malleson, R. Meeske, L.J. Erasmus, W.A. Van Niekerk and R.J. Coertze Page: 331 - 341

This trial was conducted to test the hypothesis that early lactation cows grazing ryegrass pasture and receiving maize and mineral supplementation could respond to additional supplementation with a protein source such as fish meal. Multiparous Jersey cows in early to…

Read more
Back To Top