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"Experientia docet" - Experience is the best teacher

Effects of immunomodulatory peptides derived from a soil bacterium on caecal microbiota of broilers challenged with Clostridium perfringens

  • 2023
  • Issue: 5
  • Volume:
X. Li, G. Li, Q. Peng, Y. Sun, Y. Li, H. Li, J. Ren Page: 706 - 719

Brevibacillus texasporus peptide (BT peptide) is immunomodulatory in poultry and is proposed as a feed additive substitute for antibiotics. In the present study, we performed 16S rRNA gene sequencing to compare development of the caecal microbial communities in Clostridium perfringens-challenged…

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Extrusion of canola oilcake meal and sweet lupins on the production performance of Meatmaster lambs under feedlot conditions

  • 2023
  • Issue: 5
  • Volume: 53
T.S. Brand, O.Dreyer, J.H.C. van Zyl Page: 689 - 695

Increasing commodity prices of plant proteins pressure farmers to start exploring alternative methods to optimize utilization of these dietary sources; heat treatment (extrusion) is tested in this study. Canola oilcake meal and sweet lupins were extruded to attempt to increase…

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Effect of liquid-fermented potato hash, with or without exogenous enzymes, on carcass characteristics of growing pigs

  • 2023
  • Issue: 5
  • Volume: 53
P. Sebothoma, V.A. Hlatini, C.N. Ncobela, R.S. Thomas, M. Chimonyo Page: 678 - 688

The objective of the current study was to determine the effect of the dietary inclusion of liquid- fermented potato hash with or without exogenous enzyme on fermentation characteristics and carcass characteristics of pigs. Forty-two crossbred, male pigs (Large White ×…

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Effects of Brachiaria decumbens leaf meal supplementation on the health, blood biomarkers, and relative telomere length of broiler chickens raised in tropical environments

  • 2023
  • Issue: 5
  • Volume: 53
N.A. Kassim, E.L.T. Chung, M.M. Alghirani, Y.L. Ong, M.H. Kamalludin, F.F. Abdullah Jesse & T.C. Loh Page: 667 - 677

The main goal of this investigation was to determine the effects of Brachiaria decumbens leaf meal on the health performance, blood biomarkers, and relative telomere length of broiler chickens raised in tropical conditions. A total of 300, day-old, male, Ross…

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Effects of rumen-protected, long chain fatty acid, calcium salt supplementation on total lipid, fatty acids, and related gene expression in Korean cattle

  • 2023
  • Issue: 5
  • Volume: 53
S. A. Belal, D. R. Kang & K. S. Shim Page: 658 - 666

Rumen-protected linoleic acid-enriched calcium salts (LAE-Ca salts) and oleic acid-enriched calcium salts (OAE-Ca salts) were examined for their effects on total lipids, fatty acids, and lipid metabolism gene expression in Korean steers. A total of 30 animals with a mean…

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Replacement of soybean with canola improves short-term milk yield and nitrogen-use efficiency in high-producing, early-lactation Holstein cows

  • 2023
  • Issue: 5
  • Volume: 53
F. Mohammadi, M.S.S. Firouzabadi, M. Savari, M.A. Kachoie, A.R. Rayshan, T. Sivapriya, F. Abdollahzadeh Page: 649 - 657

It has been demonstrated that canola meal (CM) is used more efficiently than soybean meal (SBM) by lactating dairy cows. This study was conducted to determine the effects of replacing SBM with CM on production performance, blood metabolites, and ruminal…

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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…

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Diagnosis and prognosis of bovine mastitis using ultrasonography and the associated risk factors on dairy farms

  • 2023
  • Issue: 5
  • Volume: 53
O. M. Abdullah, S. Aslam, M. A. Khan, H. Mushtaq, M. Hassan, H. Akbar, N. Hussain & M. Ijaz Page: 626 - 636

The study aimed to test whether the ultrasonographic morphometry and characteristic traits of udders and teats could be used to identify clinical mastitis in forty-eight adult Holstein–Friesian dairy cows. The inclusion and exclusion criteria were also declared with the help…

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Comparison between zilpaterol hydrochloride and R-salbutamol fed during the finishing period on the growth and carcass characteristics of feedlot cattle

  • 2023
  • Issue: 5
  • Volume: 53
E.C. Webb, C. Stock & S.D. Morris Page: 615 - 625

This study aimed to compare the effects of feeding 60 mg of the β-adrenergic agonist, zilpaterol HCl (Zilmax®), per steer per day versus feeding 120 mg of the β-adrenergic agonist, R-salbutamol (Salbutamate®10%), per steer per day for the last 30…

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Effects of indigenous Saccharomyces cerevisiae on intake, growth, gut histology, and serum biomarkers in pre-weaned Lohi lambs

  • 2023
  • Issue: 4
  • Volume: 53
C. Naseem, I. Rabbani, M.A. Rashid, M. Arif, M. S. Yousaf, M. Imran, A. Anjum, H. Rehman Page: 607 - 614

The purpose of this study was to determine the comparative efficacy of locally-produced yeast to commercial yeast on growth performance, serum biomarkers, and gut histology. Thirty pre-weaned male Lohi lambs were divided into; 1) C (Control; starter diet with no…

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Genetic and phenotypic trends for female fertility traits derived from service records of South African Holstein cattle

  • 2023
  • Issue: 4
  • Volume: 53
R.D. Kgari, C.J.C. Muller, K. Dzama & M.L. Makgahlela Page: 598 - 606

The objective of this study was to estimate breeding values (EBV) and genetic and phenotypic trends for female fertility traits derived from artificial insemination (AI) records. Data were collected from automated milk recording systems: 64464 records from 18 South African…

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Quality of sorghum hybrid silages at different storage times

  • 2023
  • Issue: 4
  • Volume: 53
G. Maggi, C.R. Schneider, A.D. Lima, G.B. Rovaris, R.H. Krolow, D.D. Castagnara Page: 560 - 572

The objective of this study was to evaluate the nutritional changes in silages of four sorghum hybrids at different storage times. The design was a completely randomized in a 4 × 9 arrangement of plots with four replications. The four…

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Potential feeding value, feed quality, microbial protein production, and anti-methanogenic properties of tree leaves admixed with Italian ryegrass at different ratios using in vitro gas production

  • 2023
  • Issue: 4
  • Volume: 53
E. Gürsoy Page: 550 - 559

The purpose of this study was to use the in vitro gas production (IVGP) method to assess the relative feeding value, feed quality, and anti-methanogenic capabilities of tree leaves added to Italian ryegrass forage at various proportions. With the addition…

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Physico-chemical characteristics of meat after dietary supplementation of lambs with essential oils and calcium malate

  • 2023
  • Issue: 4
  • Volume: 53
M.A. Ortiz-Heredia, J.R. Bárcena-Gama, P.A. Martínez-Hernández, J de D. Guerrero-Rodríguez, S.S. González-Muñoz, O.V. Vázquez-Mendoza Page: 541 - 549

The objective of this study was to determine the effect of a mixture of essential oils (EO), calcium malate (CM), or their combination (EO + CM) on the physico-chemical characteristics of lamb meat. A total of 36, two-month-old, 20 ±…

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The impact of multi-species bacteria as a probiotic on productive performance and egg quality of laying Japanese quail

  • 2023
  • Issue: 4
  • Volume: 53
O.M. Hamada, G. M. El-Gendi, K.M. Eid & W. Abdelmoez Page: 529 - 540

This study investigated the effect of individual and/ or a mixture multi-species bacteria as a probiotic (Pediococcus acidilactici (T1), Enterococcus faecium (m74) + Pediococcus acidilactici (T2), and Bacillus licheniformis + B. subtilis (T3)) supplementation at different levels on productive performance…

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Carcass traits and meat quality of steers fed palm kernel cake as a replacement for grain sorghum

  • 2023
  • Issue: 4
  • Volume: 53
M. M. Lisboa, F. F. Silva, G. G. P. Carvalho, J. W. D. Silva, A. P. G. Silva, V. M. Carvalho, L. V. Santos, M. C. Santos, D. M. Lima Júnior & R. R. Silva Page: 522 - 528

The objective of this study was to evaluate the effect of replacing grain sorghum (GS) with palm kernel cake (PKC) on the performance, carcass traits and meat quality of feedlot steers fed high-grain diets. Forty male ½ Holstein × ½…

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