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Animal: An International Journal of Animal Bioscience

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https://www.readbyqxmd.com/read/28633690/early-solid-additional-feeding-of-suckling-rabbits-from-3-to-15-days-of-age
#1
L Kacsala, Zs Szendrő, Zs Gerencsér, I Radnai, M Kovács, R Kasza, I Nagy, M Odermatt, T Atkári, Zs Matics
Studies have shown that nutrient requirement of suckling kits is not satisfied, but they can be fed a double quantity of milk (double nursing) resulting in improved BW and weight gain. The aim of our trials was to give additional solid feed during the early suckling period (3 to 15 days of age) when rabbit kits drink exclusively milk. Two experiments were conducted with animals from Pannon Rabbit Breeding Program. In experiment 1 (n=77 does, 734 kits) the does received commercial feed (C) or C pellet supplemented with 0...
June 21, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28633685/cross-validation-analysis-for-genetic-evaluation-models-for-ranking-in-endurance-horses
#2
S García-Ballesteros, L Varona, M Valera, J P Gutiérrez, I Cervantes
Ranking trait was used as a selection criterion for competition horses to estimate racing performance. In the literature the most common approaches to estimate breeding values are the linear or threshold statistical models. However, recent studies have shown that a Thurstonian approach was able to fix the race effect (competitive level of the horses that participate in the same race), thus suggesting a better prediction accuracy of breeding values for ranking trait. The aim of this study was to compare the predictability of linear, threshold and Thurstonian approaches for genetic evaluation of ranking in endurance horses...
June 21, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28633682/effect-of-space-allowance-and-floor-type-on-performance-welfare-and-physiological-measurements-of-finishing-beef-heifers
#3
M P Keane, M McGee, E G O'Riordan, A K Kelly, B Earley
Accommodating cattle indoors during the winter is widely practiced throughout Europe. There is currently no legislation surrounding the space allowance and floor type that should be provided to cattle during this time, however, concerns have been raised regarding the type of housing systems currently in use. The objective of the study was to investigate the effect of space allowance and floor type on performance and welfare of finishing beef heifers. Continental crossbred heifers (n=240: mean initial live; weight, 504 (SD 35...
June 21, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28631587/dietary-supplementation-with-a-nucleotide-rich-yeast-extract-modulates-gut-immune-response-and-microflora-in-weaned-pigs-in-response-to-a-sanitary-challenge
#4
S M Waititu, F Yin, R Patterson, A Yitbarek, J C Rodriguez-Lecompte, C M Nyachoti
An experiment was carried out to evaluate the short-term effect of supplementing a nucleotide-rich yeast extract (NRYE) on growth performance, gut structure, immunity and microflora of piglets raised under sanitary and unsanitary conditions. A total of 84, 21-day old piglets were used in this study; 42 piglets were raised in a room designated as the clean room that was washed once per week, whereas the other 42 piglets were raised in a room designated as the unclean room in which 7 kg of manure from the sow herd was spread on each pen floor on day 1 and 7 and the room was not washed throughout the experiment...
June 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28615086/the-automated-analysis-of-clustering-behaviour-of-piglets-from-thermal-images-in-response-to-immune-challenge-by-vaccination
#5
N J Cook, C J Bench, T Liu, B Chabot, A L Schaefer
An automated method of estimating the spatial distribution of piglets within a pen was used to assess huddling behaviour under normal conditions and during a febrile response to vaccination. The automated method was compared with a manual assessment of clustering activity. Huddling behaviour was partly related to environmental conditions and clock time such that more huddling occurred during the night and at lower ambient air temperatures. There were no positive relationships between maximum pig temperatures and environmental conditions, suggesting that the narrow range of air temperatures in this study was not a significant factor for pig temperature...
June 15, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28578746/heat-stress-effects-on-holstein-dairy-cows-rumination
#6
R Moretti, S Biffani, S Chessa, R Bozzi
The objective of this study was to investigate the relationship between temperature-humidity index (THI) and rumination time (RT) in order to possibly exploit it as a useful tool for animal welfare improvement. During summer 2015 (1 June to 31 August), data from an Italian Holstein dairy farm located in the North of Italy were collected along with environmental data (i.e. ambient temperature and relative humidity) recorded with a weather station installed inside the barn. Rumination data were collected through the Heatime® HR system (SCR Engineers Ltd...
June 5, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28578737/effects-of-light-emitting-diode-light-v-fluorescent-light-on-growing-performance-activity-levels-and-well-being-of-non-beak-trimmed-w-36-pullets
#7
K Liu, H Xin, P Settar
More energy-efficient, readily dimmable, long-lasting and more affordable light-emitting diode (LED) lights are increasingly finding applications in poultry production facilities. Despite anecdotal evidence about the benefits of such lighting on bird performance and behavior, concrete research data were lacking. In this study, a commercial poultry-specific LED light (dim-to-blue, controllable correlated color temperature (CCT) from 4500 to 5300 K) and a typical compact fluorescent light (CFL) (soft white, CCT=2700 K) were compared with regards to their effects on growing performance, activity levels, and feather and comb conditions of non-beak-trimmed W-36 pullets during a 14-week rearing period...
June 5, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28578721/energy-and-protein-requirements-of-santa-ines-lambs-a-breed-of-hair-sheep
#8
E S Pereira, F W R Lima, M I Marcondes, J P P Rodrigues, A C N Campos, L P Silva, L R Bezerra, M W F Pereira, R L Oliveira
An experiment was carried to evaluate the energy and protein requirements for the growth and maintenance of lambs of different sex classes. In all, 38 hair lambs (13.0±1.49 kg initial BW and 2 months old) were allocated in a factorial design with diet restriction levels (ad libitum, 30% and 60% feed restriction) and sex classes (castrated and non-castrated males). Four animals from each sex class were slaughtered at the beginning of the trial as a reference group to estimate the initial empty BW and body composition...
June 5, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28571587/supplementation-of-grazing-beef-cows-during-gestation-as-a-strategy-to-improve-skeletal-muscle-development-of-the-offspring
#9
D C Marquez, M F Paulino, L N Rennó, F C Villadiego, R M Ortega, D S Moreno, L S Martins, D M de Almeida, M P Gionbelli, M R Manso, L P Melo, F H Moura, M S Duarte
The appropriate supply of nutrients in pregnant cows has been associated with the optimal development of foetal tissues, performance of their progeny and their meat quality. The aim of this study was to evaluate supplementation effects of grazing cows in different stages of gestation on skeletal muscle development and performance of the progeny. Thereby, 27 Nellore cows were divided into three groups (n=9 for each group) and their progeny as follows: UNS, unsupplemented during gestation; MID, supplemented from 30 to 180 days of gestation; LATE, supplemented from 181 to 281 days of gestation...
June 2, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28560948/variation-in-blood-serum-proteins-and-association-with-somatic-cell-count-in-dairy-cattle-from-multi-breed-herds
#10
T Bobbo, E Fiore, M Gianesella, M Morgante, L Gallo, P L Ruegg, G Bittante, A Cecchinato
Blood serum proteins are significant indicators of animal health. Nevertheless, several factors should be considered to appropriately interpret their concentrations in blood. Therefore, the objectives of this study were (1) to assess the effect of herd productivity, breed, age and stage of lactation on serum proteins and (2) to investigate association between serum proteins and somatic cell count (SCC) in dairy cattle. Milk and blood samples were collected from 1508 cows of six different breeds (Holstein Friesian, Brown Swiss, Jersey, Simmental, Rendena and Alpine Grey) that were housed in 41 multi-breed herds...
May 31, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28560944/feed-intake-and-milk-production-in-dairy-cows-fed-different-grass-and-legume-species-a-meta-analysis
#11
M Johansen, P Lund, M R Weisbjerg
The aim of this meta-analysis was to compare feed intake, milk production, milk composition and organic matter (OM) digestibility in dairy cows fed different grass and legume species. Data from the literature was collected and different data sets were made to compare families (grasses v. legumes, Data set 1), different legume species and grass family (Data set 2), and different grass and legume species (Data set 3+4). The first three data sets included diets where single species or family were fed as the sole forage, whereas the approach in the last data set differed by taking the proportion of single species in the forage part into account allowing diets consisting of both grasses and legumes to be included...
May 31, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28560937/comparison-of-flock-characteristics-journey-duration-and-pathology-between-flocks-with-a-normal-and-a-high-percentage-of-broilers-dead-on-arrival-at-abattoirs
#12
K E Kittelsen, R O Moe, K Hoel, Ø Kolbjørnsen, O Nafstad, E G Granquist
This study investigated high mortality in broilers transported to slaughter in Norway by comparing data from flocks with normal and high mortality during transportation. The data sources consisted of necropsy findings in 535 broilers dead-on-arrival (DOA), production data and slaughterhouse data, along with average journey duration for the 61 associated flocks. The mean Norwegian DOA% for 2015 was 0.10. In this study, normal-mortality flocks were defined as flocks with a mean DOA% up to 0.30 and high mortality as flocks with a mean DOA% above 0...
May 31, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28558861/animal-board-invited-review-comparing-conventional-and-organic-livestock-production-systems-on-different-aspects-of-sustainability
#13
C P A van Wagenberg, Y de Haas, H Hogeveen, M M van Krimpen, M P M Meuwissen, C E van Middelaar, T B Rodenburg
To sustainably contribute to food security of a growing and richer world population, livestock production systems are challenged to increase production levels while reducing environmental impact, being economically viable, and socially responsible. Knowledge about the sustainability performance of current livestock production systems may help to formulate strategies for future systems. Our study provides a systematic overview of differences between conventional and organic livestock production systems on a broad range of sustainability aspects and animal species available in peer-reviewed literature...
May 31, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28554338/the-development-of-an-intraruminal-nylon-bag-technique-using-non-fistulated-animals-to-assess-the-rumen-degradability-of-dietary-plant-materials
#14
J H Pagella, R W Mayes, F J Pérez-Barbería, E R Ørskov
Although the conventional in situ ruminal degradability method is a relevant tool to describe the nutritional value of ruminant feeds, its need for rumen-fistulated animals may impose a restriction on its use when considering animal welfare issues and cost. The aim of the present work was to develop a ruminal degradability technique which avoids using surgically prepared animals. The concept was to orally dose a series of porous bags containing the test feeds at different times before slaughter, when the bags would be removed from the rumen for degradation measurement...
May 30, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28554336/assessing-immune-competence-in-pigs-by-immunization-with-tetanus-toxoid
#15
U Gimsa, A Tuchscherer, J Gimsa, M Tuchscherer
Immune competence can be tested by challenging organisms with a set of infectious agents. However, disease control requirements impose restrictions on the infliction of infections upon domestic pigs. Alternatively, vaccinations induce detectable immune responses that reflect immune competence. Here, we tested this approach with tetanus toxoid (TT) in young domestic pigs. To optimize the vaccination protocol, we immunized the pigs with a commercial TT vaccine at the age of 21 or 35 days. Booster immunizations were performed either 14 or 21 days later...
May 30, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28535838/are-sainfoin-or-protein-supplements-alternatives-to-control-small-strongyle-infection-in-horses
#16
C Collas, G Sallé, B Dumont, J Cabaret, J Cortet, W Martin-Rosset, L Wimel, G Fleurance
The spread of anthelmintic resistance in equine strongyle nematodes has become a major problem, advocating for the development of alternative control for strongyles. Our study consisted of both in vivo and in vitro experiments. We investigate for the first time the efficacy of a short-term consumption of tannin-rich sainfoin (Onobrychis viciifolia) or extra proteins in naturally infected horses. We used 30 horses allocated into three groups of 10 individuals that received for 18 days either (i) a tannin-rich diet with 70% DM sainfoin pellets (Sd), (ii) a protein-rich diet with 52% DM Italian rye-grass pellets and 18% DM grinded linseed expeller (Pd), or (iii) a control diet with 45% DM barley and 25% DM cereal-based pellets (Cd)...
May 24, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28535836/season-of-birth-is-associated-with-first-lactation-milk-yield-in-holstein-friesian-cattle
#17
M Van Eetvelde, M M Kamal, L Vandaele, G Opsomer
The aim of the present research was to assess factors associated with first-lactation milk yield in dairy heifers, including maternal and environmental factors, factors related to the development of the heifer and factors related to its offspring such as gender of the calf. In addition, the potential underlying mechanism, in particular metabolic adaptations, was further explored. Data on body growth, reproduction and milk yield of 74 Holstein Friesian heifers on three herds in Flanders (Belgium) were collected...
May 24, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28534726/evaluation-of-longevity-modeling-censored-records-in-nellore
#18
D A Garcia, G J M Rosa, B D Valente, R Carvalheiro, G A Fernandes Júnior, L G Albuquerque
The aim of the present study was to evaluate the prediction ability of models that cope with longevity phenotypic expression as uncensored and censored in Nellore cattle. Longevity was defined as the difference between the dates of last weaned calf and cow birth. There were information of 77 353 females, being 61 097 cows with uncensored phenotypic information and 16 256 cows with censored records. These data were analyzed considering three different models: (1) Gaussian linear model (LM), in which only uncensored records were considered; and two models that consider both uncensored and censored records: (2) Censored Gaussian linear model (CLM); and (3) Weibull frailty hazard model (WM)...
May 23, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28532526/effect-of-feeding-long-or-short-wheat-hay-v-wheat-silage-in-the-ration-of-lactating-cows-on-intake-milk-production-and-digestibility
#19
Y Shaani, M Nikbachat, E Yosef, Y Ben-Meir, I Mizrahi, J Miron
The objective of this study was to evaluate in lactating cows the effect of either chopping or ensiling of wheat roughage on: intake, digestibility, lactation performance and animal behavior. Three groups of 14 lactating cows each, were fed total mixed rations (TMRs) based on either long wheat hay (HL), short wheat hay (HS) or wheat silage (SI), as the sole roughage source (30% of TMR dry matter (DM)). Parameters examined: sorting behavior, DM intake, milk yield and composition, rumination, recumbence, average daily rumen pH, digesta passage rate, and in-vivo digestibility...
May 23, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28532523/immune-responses-intestinal-microbiota-performance-and-blood-characteristics-of-japanese-quail-fed-on-diets-containing-camphor
#20
A Sedaghat, M A Karimi Torshizi
This study aimed to investigate the effect of supplemental camphor on the performance and immune functions of Japanese quail by feeding graded levels (0 (control), 250, 500, 750, 1000, 5000 or 10 000 ppm) of camphor during a 42-day feeding trial. In all, 280 1-day-old quail chicks were randomly assigned into 28 cages of 10 chicks each with separate feeders. The results clearly demonstrated that camphor did not have a significant effect on BW, BW gain, total experimental average daily feed intake, feed conversion ratio, internal organ relative weights and biochemical parameters such as uric acid, albumin, total protein and triglyceride; however, plasma cholesterol concentration was significantly different in a linear manner, in which 500 ppm of camphor resulted in a lower level of cholesterol...
May 23, 2017: Animal: An International Journal of Animal Bioscience
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