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Animal: An International Journal of Animal Bioscience

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https://www.readbyqxmd.com/read/28098049/influence-of-barley-grain-particle-size-and-treatment-with-citric-acid-on-digestibility-ruminal-fermentation-and-microbial-protein-synthesis-in-holstein-calves
#1
M Kazemi-Bonchenari, A Z M Salem, S López
Chemical and physical treatments of barley grain increase ruminally resistant starch and can improve the rumen fermentation pattern. The objective of the present study was to evaluate the effects of chemical (addition of citric acid, CA) and physical (grinding to two different particle sizes, PS) treatment of barley grain on performance, rumen fermentation, microbial protein yield in the rumen and selected blood metabolites in growing calves. In all, 28 male Holstein calves (172±5.1 kg initial BW) were used in a complete randomised design with a factorial arrangement of 2 barley grain particle sizes×2 levels of citric acid...
January 18, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28091361/responses-of-plasma-glucose-metabolism-to-exogenous-insulin-infusion-in-sheep-fed-forage-herb-plantain-and-exposed-to-heat
#2
M Al-Mamun, K Shibuya, M Kajita, Y Tamura, H Sano
The use of herbal plants as traditional medicines has a century long history. Plantain (Plantago lanceolata L.) is a perennial herb containing bioactive components with free radical scavenging activities. An isotope dilution technique using [U-13C]glucose was conducted to determine the effect of plantain on the responses of plasma glucose metabolism to exogenous insulin infusion in sheep. Six crossbred sheep (three wethers and three ewes; mean initial BW=40±2 kg) were fed either a mixed hay of orchardgrass (Dactylis glomerata) and reed canarygrass (Phalaris arundinacea) (MH-diet) or mixed hay and fresh plantain (1 : 1 ratio, dry matter basis, PL-diet) and exposed to a thermoneutral (TN, 20°C; 70% relative humidity (RH)) environment or a heat exposure (HE, 30°C; 70% RH) for 5 days using a crossover design for two 23-day periods...
January 16, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28091356/resistance-to-gastrointestinal-parasite-infection-in-djallonk%C3%A3-sheep
#3
A Traoré, D R Notter, A Soudre, A Kaboré, I Álvarez, I Fernández, M Sanou, M Shamshuddin, K Periasamy, H H Tamboura, F Goyache
Gastrointestinal parasitism places serious constraints on small ruminant production. The situation has been exacerbated by development of drug resistance in many parasite populations, leading to interest in identification of animals with genetically mediated resistance or tolerance to nematode infections. This study assessed the response to natural infection with gastrointestinal nematodes (GIN) in Djallonké sheep during the rainy season in the Sudan-Guinea Savannah region of Burkina Faso. Haemonchus contortus is the most prevalent GIN at this site and time...
January 16, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28077200/expression-of-heat-shock-protein-70-in-transport-stressed-broiler-pectoralis-major-muscle-and-its-relationship-with-meat-quality
#4
T Xing, M F Wang, M Y Han, X S Zhu, X L Xu, G H Zhou
Omics research has indicated that heat shock protein 70 (HSP70) is a potential biomarker of meat quality. However, the specific changes and the potential role of HSP70 in postmortem meat quality development need to be further defined. In this study, Arbor Acres broiler chickens (n=126) were randomly categorized into three treatment groups of unstressed control (C), 0.5-h transport (T) and subsequent water shower spray following transport (T/W). Each treatment consisted of six replicates with seven birds each...
January 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28077194/the-response-of-weaned-piglets-to-dietary-valine-and-leucine
#5
F Meyer, C Jansen van Rensburg, R M Gous
Valine (Val) is considered to be the fifth-limiting amino acid in a maize-soyabean meal diet for pigs. Excess leucine (Leu) levels often occur in commercial diets, which may attenuate the effect of Val deficiency because of an increased oxidation of Val. The objective of the present experiment was to determine the effect of increasing concentrations of Leu on the response of young piglets to dietary Val. In all, 75 Large White×Landrace entire male pigs, 44 days of age and with a mean starting weight of 13...
January 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28077192/dietary-probiotic-supplementation-improves-growth-and-the-intestinal-morphology-of-nile-tilapia
#6
M A Ramos, S Batista, M A Pires, A P Silva, L F Pereira, M J Saavedra, R O A Ozório, P Rema
Probiotic administration can be a nutritional strategy to improve the immune response and growth performance of fish. The current study aimed to evaluate the effects of a probiotic blend (Bacillus sp., Pediococcus sp., Enterococcus sp., Lactobacillus sp.) as a dietary supplement on growth performance, feed utilization, innate immune and oxidative stress responses and intestinal morphology in juvenile Nile tilapia (Oreochromis niloticus). The probiotic was incorporated into a basal diet at three concentrations: 0 g/kg (A0: control), 3 g/kg (A1: 1...
January 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28077191/genome-wide-analysis-in-endangered-populations-a-case-study-in-barbaresca-sheep
#7
S Mastrangelo, B Portolano, R Di Gerlando, R Ciampolini, M Tolone, M T Sardina
Analysis of genomic data is becoming increasingly common in the livestock industry and the findings have been an invaluable resource for effective management of breeding programs in small and endangered populations. In this paper, with the goal of highlighting the potential of genomic analysis for small and endangered populations, genome-wide levels of linkage disequilibrium, measured as the squared correlation coefficient of allele frequencies at a pair of loci, effective population size, runs of homozygosity (ROH) and genetic diversity parameters, were estimated in Barbaresca sheep using Illumina OvineSNP50K array data...
January 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28069103/does-cu-supplementation-affect-the-mechanical-and-structural-properties-and-mineral-content-of-red-deer-antler-bone-tissue
#8
P Gambín, M P Serrano, L Gallego, A García, J Cappelli, F Ceacero, T Landete-Castillejos
The main factors affecting the mechanical (and other) properties of bone, including antler, are the proportions of ash (especially Ca and P) and collagen content. However, some trace minerals may also play more important roles than would be expected, given their low levels in bone and antler. One such trace mineral is Cu. Here, we studied the effects of Cu supplementation on the mechanical and structural characteristics, and mineral content of antlers from yearling and adult (4 years of age) red deer fed a balanced diet...
January 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28069102/the-effect-of-cp-concentration-in-the-diet-on-urea-kinetics-and-microbial-usage-of-recycled-urea-in-cattle-a-meta-analysis
#9
E D Batista, E Detmann, S C Valadares Filho, E C Titgemeyer, R F D Valadares
In ruminants, urea recycling is considered an evolutionary advantage. The amount of urea recycled mainly depends of the nitrogen (N) intake and the amount of organic matter (OM) digested in the rumen. Because recycled N contributes to meeting microbial N requirements, accurate estimates of urea recycling can improve the understanding of efficiency of N utilization and N losses to the environment. The objective of this study was to evaluate urea kinetics and microbial usage of recycled urea N in ruminants using a meta-analytical approach...
January 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28069088/evaluation-of-soil-intake-by-growing-creole-young-bulls-in-common-grazing-systems-in-humid-tropical-conditions
#10
S Jurjanz, C Collas, M L Lastel, X Godard, H Archimède, G Rychen, M Mahieu, C Feidt
Soil is the main matrix which contributes to the transfer of environmental pollutants to animals and consequently into the food chain. In the French West Indies, chlordecone, a very persistent organochlorine pesticide, has been widely used on banana growing areas and this process has resulted in a long-term pollution of the corresponding soils. Domestic outside-reared herbivores are exposed to involuntary soil intake, and tethered grazing commonly used in West Indian systems can potentially favour their exposure to chlordecone...
January 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28065211/faecal-parameters-as-biomarkers-of-the-equine-hindgut-microbial-ecosystem-under-dietary-change
#11
P Grimm, C Philippeau, V Julliand
Faeces could be used for evaluating the balance of the equine hindgut microbial ecosystem, which would offer a practical method for assessing gut health and how this relates to disease. However, previous studies concluded that faeces microbial ecosystem was not representative of the proximal hindgut (caecum and ventral colon). This study aimed to evaluate if variations of the faecal microbial ecosystem were similar to those observed in the proximal hindgut. Six horses, fistulated in the caecum and right ventral (RV) colon, were subjected to a gradual change of diet, from a 100% hay (high fibre) diet (2...
January 9, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28031076/assessment-of-lifetime-performance-of-small-ruminants-under-different-feeding-systems
#12
T A Amole, M Zijlstra, K Descheemaeker, A A Ayantunde, A J Duncan
Evaluation of lifetime productivity of individual animals in response to various interventions allows assessment of long-term investment opportunities for farmers. In order to gain a better understanding of promising feed interventions for improvement of small ruminant production in Southwestern Nigeria, a dynamic modelling approach was used to explore the effect of different feeding strategies on the lifetime productivity of West African Dwarf (WAD) goats. Modifications were made to the current version of Livestock Simulator developed for cattle production to simulate goat production systems particularly for WAD goats...
December 29, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28031067/effects-of-faba-beans-with-different-concentrations-of-vicine-and-convicine-on-egg-production-egg-quality-and-red-blood-cells-in-laying-hens
#13
M Lessire, V Gallo, M Prato, O Akide-Ndunge, G Mandili, P Marget, P Arese, G Duc
The faba bean (Vicia faba L.) is a potential source of proteins for poultry, mainly for laying hens whose protein requirements are lower than those of other birds such as growing broilers and turkeys. However, this feedstuff contains anti-nutritional factors, that is, vicine (V) and convicine (C) that are already known to reduce laying hen performance. The aim of the experiment reported here was to evaluate the effects of a wide range of dietary V and C concentrations in laying hens. Two trials were performed with laying hens fed diets including 20% or 25% of faba bean genotypes highly contrasting in V+C content...
December 29, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28029333/biochemical-and-organoleptic-characteristics-of-muscle-from-early-and-late-maturing-bulls-in-different-production-systems
#14
G B Mezgebo, F J Monahan, M McGee, E G O'Riordan, B Picard, R I Richardson, A P Moloney
In grass-based beef production systems (PS), early maturing (EM) breed types may be preferable to late maturing (LM) breed types in achieving adequate carcass fat cover. Biochemical and organoleptic characteristics of muscle from suckler bulls were investigated in EM and LM (n=28/breed) assigned to one of two PS (ad libitum concentrates and grass silage to slaughter (C) or ad libitum silage plus 2 kg concentrate daily during winter followed by 99 days at pasture and then an indoor finishing period on C (GSPC)) in a 2 breed type×2 PS factorial arrangement of treatments...
December 28, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28027721/a-deterministic-evaluation-of-heat-stress-mitigation-and-feed-cost-under-climate-change-within-the-smallholder-dairy-sector
#15
L York, C Heffernan, C Rymer, N Panda
In the global South, dairying is often promoted as a means of poverty alleviation. Yet, under conditions of climate warming, little is known regarding the ability of small-scale dairy producers to maintain production and/or the robustness of possible adaptation options in meeting the challenges presented, particularly heat stress. The authors created a simple, deterministic model to explore the influence of breed and heat stress relief options on smallholder dairy farmers in Odisha, India. Breeds included indigenous Indian (non-descript), low-grade Jersey crossbreed and high-grade Jersey crossbreed...
December 28, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28007048/non-invasive-individual-methane-measurement-in-dairy-cows
#16
E Negussie, J Lehtinen, P Mäntysaari, A R Bayat, A-E Liinamo, E A Mäntysaari, M H Lidauer
Attempts to lower the environmental footprint of milk production needs a sound understanding of the genetic and nutritional basis of methane (CH4) emissions from the dairy production systems. This in turn requires accurate and reliable techniques for the measurement of CH4 output from individual cows. Many of the available measurement techniques so far are either slow, expensive, labor intensive and are unsuitable for large-scale individual animal measurements. The main objectives of this study were to examine and validate a non-invasive individual cow CH4 measurement system that is based on photoacoustic IR spectroscopy (PAS) technique implemented in a portable gas analysis equipment (F10), referred to as PAS-F10 method and to estimate the magnitude of between-animal variations in CH4 output traits...
December 23, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28007043/physiological-responses-of-feedlot-heifers-provided-access-to-different-levels-of-shade
#17
T M Brown-Brandl, C G Chitko-McKown, R A Eigenberg, J J Mayer, T H Welsh, J D Davis, J L Purswell
Heat stress has a significant impact on all livestock and poultry species causing economic losses and animal well-being concerns. Providing shade is one heat-abatement strategy that has been studied for years. Material selected to provide shade for animals greatly influences the overall stress reduction provided by shade. A study was conducted to quantify both the environment and animal response, when cattle had no shade access during summertime exposure or were given access to shade provided by three different materials...
December 23, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28004617/hydrolysable-tannin-based-diet-rich-in-gallotannins-has-a-minimal-impact-on-pig-performance-but-significantly-reduces-salivary-and-bulbourethral-gland-size
#18
G Bee, P Silacci, S Ampuero-Kragten, M Čandek-Potokar, A L Wealleans, J Litten-Brown, J-P Salminen, I Mueller-Harvey
Tannins have long been considered 'anti-nutritional' factors in monogastric nutrition, shown to reduce feed intake and palatability. However, recent studies revealed that compared with condensed tannins, hydrolysable tannins (HT) appear to have far less impact on growth performance, but may be inhibitory to the total activity of caecal bacteria. This in turn could reduce microbial synthesis of skatole and indole in the hindgut of entire male pigs (EM). Thus, the objective of this study was to determine the impact of a group of dietary HT on growth performance, carcass traits and boar taint compounds of group housed EM...
December 22, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/27998369/a-3-week-feed-restriction-after-weaning-as-an-alternative-to-a-medicated-diet-effects-on-growth-health-carcass-and-meat-traits-of-rabbits-of-two-genotypes
#19
M Alabiso, A Di Grigoli, F Mazza, G Maniaci, F Vitale, A Bonanno
Feed restriction after weaning is widely used in meat rabbit farms to promote health and reduce mortality, but this practice impacts negatively on rabbit growth and slaughter performance. This study compared a 3-week post-weaning feed restriction with ad libitum medicated feeding, evaluating effects on feed intake, growth, health, carcass and meat quality of rabbits of two genotypes: Italian White pure breed and Hycole hybrid×Italian White crossbred. A total of 512 rabbits at 36 days of age, of both sexes and two genotypes, were divided into four homogeneous groups assigned, from 36 to 57 days of age, to different feeding programmes (FP): restricted non-medicated (R-N), ad libitum non-medicated (L-N), restricted medicated (R-M) and ad libitum medicated (L-M)...
December 21, 2016: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/27993181/impact-of-cow-strain-and-concentrate-supplementation-on-grazing-behaviour-milk-yield-and-metabolic-state-of-dairy-cows-in-an-organic-pasture-based-feeding-system
#20
C Heublein, F Dohme-Meier, K-H Südekum, R M Bruckmaier, S Thanner, F Schori
As ruminants are able to digest fibre efficiently and assuming that competition for feed v. food use would intensify in the future, cereals and other field crops should primarily be destined to cover the dietary needs of humans and monogastric animals such as poultry and pigs. Farming systems with a reduced or absent concentrate supplementation, as postulated by organic agriculture associations, require adapted dairy cows. The aim of this experiment was to examine the impact of concentrate supplementation on milk production, grazing and rumination behaviour, feed intake, physical activity and blood traits with two Holstein-Friesian cow strains and to conclude the consequences for sustainable and organic farming...
December 20, 2016: Animal: An International Journal of Animal Bioscience
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