Skip to content

"Experientia docet" - Experience is the best teacher

Gene expression at different cell stages of in vitro-fertilized bovine embryos

  • 2022
  • Issue: 1
  • Volume: 52
N.M. Al-Malahi, M.H. Daghestani, M.Q. Al-Ghadi & A.R. Alhimaidi Page: 111 - 119
  • 2026-09-09
  • Dr. Michael MacNeil

The birth rate of embryos produced in vitro (IVF) is still lower than that of embryos produced in vivo. Three major steps for the success of the IVF technique are maturation of immature oocytes, fertilization of matured oocytes, and culture…

Read more

Bone, microbiological and intestinal characteristics of piglets fed diets containing Lithothamnium calcareum

  • 2022
  • Issue: 1
  • Volume: 52
J. L. Genova, N. T. E. Oliveira, C. P. Scherer, P. L. O. Carvalho, A. B. S. Costa, S. M. B. Artoni, A. C. G. Júnior, L. B. A. Santos, S. T. Carvalho & J. Bortoluzzi Page: 98 - 110
  • 2026-09-09
  • Dr. Michael MacNeil

The aim of this study was to assess the effect of calcitic seaweed (CS), calcitic limestone (CL) and monodicalcium phosphate (DP) fed to piglets in various combinations on their gastrointestinal tract and bones. A total of 128 piglets (21 days…

Read more

Effects of flushing and various doses of β-Carotene and vitamin E applications on the reproductive performance of ewes

  • 2022
  • Issue: 1
  • Volume: 52
S. Ozis Altincekic, M. Koyuncu & S. Duru Page: 90 - 97
  • 2026-09-09
  • Dr. Michael MacNeil

The aim of this study was to determine whether fertility could be enhanced in Kıvırcık ewes during the anoestrous period by flushing or by administering an injectable (Ovostim) containing β-Carotene and vitamin E. Three-year-old Kıvırcık ewes (n = 99) were…

Read more

Quality of ram semen cryopreserved in egg yolk extender supplemented with myricetin

  • 2022
  • Issue: 1
  • Volume: 52
L.C.P. Arruda, R.A.J.A. Silva, F.C.C. Mergulhão, M.M. Monteiro, J.A.S. Costa, A.M. Batista, P.L.J. Monteiro Júnior, D.C.M. Seal & M.M.P. Guerra Page: 77 - 89
  • 2026-09-09
  • Dr. Michael MacNeil

The aim of this study was to evaluate the ability of the antioxidant myricetin to protect ovine spermatozoa during freezing-thawing. Five semen pools, obtained from four rams, were diluted and frozen in Tris-egg yolk extender (5% glycerol) supplemented with myricetin…

Read more

Physicochemical and morphometric characterization of eggs from emus (Dromaius novaehollandiae)

  • 2022
  • Issue: 1
  • Volume: 52
J.C.P. Quintero, K.A.A. Torres-Cordido, Y.R. Moreira, S.S. Rocha, T.L. Reis, J.E. de Moraes & L.F.L. Calixto Page: 50 - 56
  • 2026-09-09
  • Dr. Michael MacNeil

There is a dearth of scientific information about the physicochemical characteristics of eggs from ratite birds including emus. Thus, an experiment was carried out with 19 laying emu ((Dromaius novaehollandiae) hens, maintained in cages, and divided into two groups according…

Read more

Polymorphism of growth hormone gene and its association with body measurement traits in Boer goat does

  • 2022
  • Issue: 1
  • Volume: 52
L.T. Rashijane, V.G. Mbazima & T.L. Tyasi Page: 44 - 49
  • 2026-09-09
  • Dr. Michael MacNeil

The study examined single nucleotide polymorphisms (SNPs) in the growth hormone gene (GH1) in Boer goat does and their relationship with body measurement traits, namely bodyweight, body length, heart girth, rump height, rump width, ear length, cannon circumference, and head…

Read more

Evaluation of grass and legume tropical mixtures and performance of grazed sheep

  • 2022
  • Issue: 1
  • Volume: 52
R.L. Moura, M.E. Oliveira, W.F. Carvalho, M.M. Rodrigues, M.S. Santos, R.L. Edvan, A.L. Abdalla, M.Z. Moreira & E.M. Silva Page: 23 - 33

The objective of this research was to determine the pasture structure, nutritional value, animal behaviour, intake, and performance of Santa Inês sheep grazing pastures with various mixtures of grass (Andropogon gayanus) and forage legume (Stylosanthes sp. and Calopogonium mucunoides). A…

Read more

Estimates of variance components for feedlot traits of the Simmentaler breed in South Africa

  • 2021
  • Issue: 6
  • Volume: 51
J. Hendriks, F.W.C. Neser, J.B van Wyk, F.J. Jordaan & M.M. Scholtz Page: 793 - 800
  • 2026-09-09
  • Dr. Michael MacNeil

Breeding of beef cattle is changing, with more emphasis on efficiency of production. Feed cost is the highest expense, and reducing it has the potential to increase profitability. Common measures of efficiency are ratio traits such as feed conversion (feed…

Read more

Gene-set enrichment analysis of selective sweeps reveals phenotypic traits in Nguni cattle

  • 2021
  • Issue: 6
  • Volume: 51
A.A. Zwane, K.S. Nxumalo, M.L. Makgahlela, E. Van Marle-Koster & N. Maiwashe Page: 761 - 777
  • 2026-09-09
  • Dr. Michael MacNeil

Adaptation of animals to different environments is typically associated with structural and functional genomic variations. High throughput SNP genotyping and next-generation sequencing (NGS) have made it possible to study positive selection footprints and adaptation traits. Nguni is a small frame-size…

Read more

Spineless cactus-based diets associated with various nitrogen sources in sheep diets

  • 2021
  • Issue: 6
  • Volume: 51
A.C.A. Pinho, R.A.S. Pessoa, A.M.V. Batista, A.S.C. Véras, D.B. Cardoso, K.C. Santos, D.M. De Lima Júnior & F.F.R. De Carvalho Page: 752 - 760
  • 2026-09-09
  • Dr. Michael MacNeil

This study evaluated the effects of various nitrogen (N) sources augmenting spineless cactus-based diets on intake, digestibility, rumen kinetics and N balance in sheep. Eight rumen-fistulated sheep with an average initial bodyweight of 62 ± 6.83 kg were allotted to…

Read more

Effects of supplemental bee pollen on performance, meat quality, serum constituents and immunity system in growing quails

  • 2021
  • Issue: 6
  • Volume: 51
Behlül Sevim Page: 745 - 751
  • 2026-09-09
  • Dr. Michael MacNeil

This study focused on the effects of adding various levels of bee pollen to diets for Japanese quail (Coturnix coturnix Japonica). The response variables that were examined included their performance, carcass characteristics, meat colour, immune system, and some serum constituents…

Read more

Performance and intestinal histology of sheep fed detoxified castor bean meal in sugarcane silage

  • 2021
  • Issue: 6
  • Volume: 51
P.R. Dantas Júnior, J.S. Oliveira, N.L. Ribeiro, L.D. Rola, E.G. Silva, A.C. Oliveira, V.V.S. Almeida, D.M. Lima Júnior & R.R. Guerra Page: 735 - 744
  • 2026-09-09
  • Dr. Michael MacNeil

This study evaluated histological changes in the digestive organs and kidneys of sheep fed sugarcane silage augmented with detoxified castor bean meal (CBM). Forty Santa Inês sheep (initial weight 20 ± 0.3 kg) were adapted to the experimental regime for…

Read more
Back To Top