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Castration of male livestock and the potential of immunocastration to improve animal welfare and production traits: Invited Review

  • 2017
  • Issue: 6
  • Volume: 47
T. Needham, H. Lambrechts & L.C. Hoffman Page: 731 - 742

Growing consumer awareness about animal welfare has led to the assessment of the impact of common farming practices, such as physical castration, on animal well-being under production conditions. Physical castration is used in livestock industries to prevent indiscriminate breeding, control…

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Processing of South African biltong – A review

  • 2017
  • Issue: 6
  • Volume: 47
M. Jones, E. Arnaud, P. Gouws & L.C. Hoffman Page: 743 - 757

South Africa has been producing biltong for many years and its popularity is increasing locally and internationally. Biltong is commonly grouped with other dried meat products from around the world, but with its unique production method and expanding economic value,…

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Effects of probiotics on growth performance, blood parameters, and antibody stimulation in piglets

  • 2017
  • Issue: 6
  • Volume: 47
Z.C. Dlamini, R.L.S. Langa, O. A. Aiyegoro & A.I. Okoh Page: 766 - 775

The study investigated the effects of probiotic bacteria (Lactobacillus reuteri ZJ625, Lactobacillus reuteri VB4, Lactobacillus salivarius ZJ614, and Streptococcus salivarius NBRC13956) administered as direct-fed microorganisms on growth performance and blood parameters of weaned piglets. Forty-five weaned piglets were divided into…

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Effects of dietary physical form and dietary inclusion of probiotic and enzyme on growth performance, cellular and humoral immunity, and relative weights of lymphoid organs at early period of broiler chickens fed triticale-based diets

  • 2017
  • Issue: 6
  • Volume: 47
S. M. Hosseini, M. Chamani, S. N. Mousavi, S. A. Hosseini & A. A. Sadeghi Page: 776 - 784

The aim of the present study was to investigate interactions between feed form and dietary inclusion of probiotics (live organisms) and enzymes on growth performance, cellular and humoral immunity, and relative weights of lymphoid organs of broiler chicks fed a…

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Effects of Prosopis laevigata pods on carcass characteristics, non-carcass components, meat quality, fatty acid profile and sensory attributes

  • 2017
  • Issue: 6
  • Volume: 47
L.Y. Peña-Avelino, J. M. Pinos-Rodríguez, J. G. Vicente, J. C. García-López, L. Yáñez & A. Grajales Page: 785 - 793

It was hypothesized that feeding mesquite pods to male Rambouillet lambs would have no negative effects on carcass characteristics, meat chemical composition and fatty acid composition of Longissimus thoracis et lumborum (LTL). Twenty-one male lambs (2.5 months old and 21…

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Effect of olive meal and supplemental enzymes on performance traits, blood biochemistry, humoral immunity response and caecal microbiota of broilers

  • 2017
  • Issue: 6
  • Volume: 47
S. Sateri, A. Seidavi, M. Bouyeh, P. Neumann, M. Kutzler, V. Laudadio, F. Loperfido & V. Tufarelli Page: 804 - 812

This study investigated the growth performance, carcass characteristics, blood biochemistry, humoral immunity and caecal microbiota of broiler chicks fed 0, 2, 4, 6, and 8% olive meal (OM) in diet. In addition, this study investigated the use of enzymatic feed…

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Molecular cloning, sequence analysis and tissue expression of bovine imprinted ASCL2 gene

  • 2017
  • Issue: 6
  • Volume: 47
O. Bamidele, M. De Donato, S. O. Peters, O. G. Omitogun & I. G. Imumorin Page: 813 - 821

Achaete-scute like-2 (ASCL2) gene is a maternally expressed gene that encodes a lineage-specific transcription factor that is essential for neurectoderm and trophectoderm development and is implicated in pre-natal and post-natal development in mammals. Using comparative genomics, various in silico sequence…

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Development and preliminary validation of an automatic digital analysis system for animal fibre analysis

  • 2017
  • Issue: 6
  • Volume: 47
M. D. Quispe, G. Benavidez, R. A. Sauri, J. J. Bengoechea & E. C. Quispe Page: 822 - 833

New equipment was designed and developed to evaluate the physical characteristics of animal fibres, based on an automatic digital analysis system (ADAS) that allows the capture of a series of real-time images. In the development of the mechanical component, a…

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Effects of false yam tuber meals and charcoal on broiler chicken production and blood parameters

  • 2017
  • Issue: 6
  • Volume: 47
R. Roessler, L. Amprako, A.R. Sayibu, A. Mohammed, R.C. Menezes, D. Hölscher, B. Alenyorege, H.K. Dei & C. Steiner Page: 842 - 853

The authors investigated the effects of replacing a portion of a commercial broiler feed with false yam tuber meals on broiler growth performance, feed conversion rate (FCR) and blood parameters. Furthermore, wood charcoal was added at various levels to the…

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Using path analysis to predict bodyweight from body measurements of goats and sheep of communal rangelands in Botswana

  • 2017
  • Issue: 6
  • Volume: 47
O. Temoso, M. Coleman, D. Baker, P. Morley, L. Baleseng, A. Makgekgenene & S. Bahta Page: 854 - 863

The objective of this study was to determine the practicality of using linear body measurement traits to predict live weight of goats and sheep under communal grazing in three districts of Botswana, namely Central, Kweneng, and Kgalagadi. Pairwise (Pearson) correlations…

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Effect of Moringa oleifera (Lam.) pods as feed additive on egg antioxidants, chemical composition and performance of commercial layers

  • 2017
  • Issue: 6
  • Volume: 47
S. Ahmad, A. Khalique, T. N. Pasha, S. Mehmood, K. Hussain, S. Ahmad, M. S. Shaheen, M. Naeem & M. Shafiq Page: 864 - 874

The present study was designed to investigate the influence of Moringa oleifera (Lam.) pod meal (MPM) on production, immunity, and functional food index of chicken eggs. Two hundred HyLine W36 layer birds aged 50 weeks, 1469 ± 46.63 g, were…

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Effect of a dietary probiotic blend on performance, blood characteristics, meat quality and faecal microbial shedding in growing-finishing pigs

  • 2017
  • Issue: 6
  • Volume: 47
V. Tufarelli, A. M. Crovace, G. Rossi & V. Laudadio Page: 875 - 882

The current study aimed to evaluate the effect of a dietary probiotic blend on growth performance, blood characteristics, meat quality, and faecal microbial population in growing-finishing pigs in a 12-week experiment. Pigs were assigned to two dietary treatments: a control…

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Effects of dietary Aloe vera crude extracts on digestive enzyme activities and muscle proximate composition of GIFT tilapia juveniles

  • 2017
  • Issue: 6
  • Volume: 47
N.N. Gabriel, J. Qiang, X.Y. Ma, P. Xu, & D.N. Nakwaya Page: 904 - 913

This study investigated the effects of dietary Aloe vera powder extract on the activities of digestive enzymes and muscle composition of Oreochromis niloticus (GIFT strain) juveniles. Five dietary groups were formulated in which A. vera powder was added into a…

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Humic acid and enzymes in canola-based broiler diets: Effects on bone development, intestinal histomorphology and immune development

  • 2017
  • Issue: 6
  • Volume: 47
A.R.P. Disetlhe, U. Marume, V. Mlambo, & I. Dinev Page: 914 - 922

The objective of the study was to investigate the effects of dietary inclusion of humic acid and enzymes on bone development, histomorphology of internal organs and the incidence of rickets in broiler chickens fed canola-based diets. In the study, Cobb…

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Exogenous carbohydrases do not improve the physiological and meat quality parameters of female Japanese quail fed canola-based diets

  • 2017
  • Issue: 6
  • Volume: 47
C.M. Mnisi, V. Mlambo, K.G.G. Phatudi & T.B. Matshogo Page: 923 - 932

In an internally controlled environment, a feeding trial using 210 six-week-old female Japanese quail (189.63 ± 11.891 g liveweight) was conducted to evaluate the effect of carbohydrase-treated (endo-1.4-beta-xylanase 5600 TXU/g and endo-1.4-beta-glucanase 2500 TGU/g) canola-based diets on growth performance, haemo-biochemical…

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