Assessment of the drinker type on water intake and toy type on behaviour of nursery piglets

This study was conducted to assess the effect of two types of drinkers on water intake (WI) and two types of toys on behavioural observations of piglets in the nursery phase. A total of 72 crossbred entire male piglets (Landrace × Large White, Agroceres♂ and DanBred♀), weaned at 21 days of age, with an average initial body weight (AIBW) of 6.75 ± 0.19 kg were used. Two statistical models were fitted for WI. In model I, animals were distributed in a completely randomized design (CRD) with a split-plot in time, composed of six treatments (2 types of drinkers × 3 experimental phases), eight replications (days of sampling), and 36 animals/experimental unit (EU), without using AIBW as a covariate. In model II, animals were distributed in a CRD with two treatments (fixed or pendular nipple drinkers), eight replications (days of sampling) and 36 animals/EU, with use of AIBW as a covariate. For assessment of behavioural observations, the model was adjusted in a randomized block design, consisting of four treatments [two types of toys (metal chain and plastic bottle) × two daytime periods (morning and afternoon)], nine replications and three blocks constituted in time (days), totalling four pigs/EU. The results indicated an effect on animal daily WI in the starter phase in model I (p < 0.000) and II (p = 0.006). There was an effect (p ≤ 0.05) of toy type for behavioural observations, in which pigs showed a greater proportion of fighting and belly nosing when they had the bottle toy. However, animals spent more time (p ≤ 0.05) eating, drinking water, overlapping, and playing with the toy when they had access to the chain toy. There was an increase (p ≤ 0.05) in sleeping behaviour in the morning period, as well as greater (p ≤ 0.05) behavioural activity in the afternoon period. In conclusion, WI of nursery piglets was positively influenced by growth phase, and the fixed drinker stimulated greater WI in piglets in the starter phase. In addition, the metal chain, as an environmental enrichment, promoted improvements in feeding behaviour and WI, reducing fighting events, and the afternoon period had increased behavioural observations overall.

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Evaluation of different corn textures in dry grain or silage forms for piglets from 7 to 15 kg

Revista Brasileira de Zootecnia ◽

10.1590/s1516-35982009000900017 ◽

2009 ◽

Vol 38 (9) ◽

pp. 1757-1761

Author(s):

José Vieira Neto ◽

Vinícius de Souza Cantarelli ◽

Elias Tadeu Fialho ◽

Márcio Gilberto Zangeronimo ◽

Nikolas de Oliveira Amaral ◽

...

Keyword(s):

Dry Matter ◽

Block Design ◽

Metabolizable Energy ◽

Experimental Unit ◽

Feed Conversion ◽

Initial Weight ◽

Large White ◽

Randomized Block Design ◽

Independent Form ◽

Ensilage Corn

The objective of this study was to evaluate different textures and storage forms of corn in piglet diets. Two experiments were conducted, one of which tested digestibility of nutrients and the other diet performance. In the digestibility trial, 24 crossbred (Landrace X Large White) barrows with an initial weight of 18.7 ± 1.5 kg were used. They were kept in metabolic cages in a randomized block design using the factorial arrangement 2 X 2 (type of corn - dent and flint X type of storage - moist grain silage and dry grain) and six replicates, with one animal as the experimental unit. The values of metabolizable energy (ME) obtained were 3841 kcal of ME/kg of dry matter (DM) from dry corn, 3912 kcal of ME/kg of DM from moist corn, 4022 kcal of DM from ensiled dry corn and 3928 kcal of ME/kg of DM from ensiled humidity corn. The ensilage process increases the digestibility coefficient of dry matter and crude protein and increases the digestible energy of the diets, independent of the process form. The type of corn did not influence these variables. In the performance trial, 60 barrows (initial weight of 6.5 ± 1.5 kg) of the same stock were used during 28 days of post-weaning distributed in the same experimental design, with five replicates and three animals as the experimental unit. The treatments did not influence the daily weigh gain or the daily feed intake. The dentate corn and the ensilage process decreased the feed conversion of the independent form (no significant interaction). The substitution of dry for ensilage corn increased the digestibility of the nutrients in the diets and the feed conversion of the piglets from 7 to 15 kg. Dentate corn promotes best feed conversion in this phase.

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Environmental enrichment improves the performance and behavior of piglets in the nursery phase

Arquivo Brasileiro de Medicina Veterinária e Zootecnia ◽

10.1590/1678-4162-8253 ◽

2016 ◽

Vol 68 (2) ◽

pp. 415-421 ◽

Cited By ~ 3

Author(s):

R.F. Oliveira ◽

R.T.R.N. Soares ◽

J.P. Molino ◽

R.L. Costa ◽

T.P. Bonaparte ◽

...

Keyword(s):

Environmental Enrichment ◽

Block Design ◽

Sampling Technique ◽

Daily Weight Gain ◽

Experimental Unit ◽

Feed Conversion ◽

Wood Shavings ◽

Pig Farming ◽

Randomized Block Design ◽

And Behavior

In modern pig farming, the search for systems that promote environmental quality and welfare is an important issue. In this sense, the present study evaluated the effects of environmental enrichment on the performance and behavior of piglets. In a completely randomized block design, 32 piglets (7.43kg mean weight), weaned at 28 days of age, were distributed into four treatments (control without enrichment, environmental enrichment with wood shavings as bedding; environmental enrichment with hanging toys and environmental enrichment with wood shavings + hanging toys). Four repetitions were performed for each treatment, with two animals per experimental unit. The instant scan sampling technique was used to record the behavior of each piglet for 20h. Animals receiving environmental enrichment with wood shavings + hanging toys were heavier at 70 days (P=0.02), exhibited higher total and daily weight gain (P=0.04 and P=0.02, respectively) and better feed conversion (P=0.02). Environmental enrichment increased the interaction of animals with the environment, allowing them to exhibit natural behaviors.

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Method of using increasing levels of substitution of the basal diet by test feedstuffs in pig digestibility trials

Arquivo Brasileiro de Medicina Veterinária e Zootecnia ◽

10.1590/s0102-09352012000500026 ◽

2012 ◽

Vol 64 (5) ◽

pp. 1265-1274

Author(s):

L.M. Piano ◽

I. Moreira ◽

C. Scapinello ◽

P.L.O. Carvalho ◽

J.B. Toledo ◽

...

Keyword(s):

Block Design ◽

Control Diet ◽

Basal Diet ◽

Economic Feasibility ◽

Experimental Unit ◽

Finishing Pigs ◽

Randomized Block Design ◽

Randomized Design ◽

Completely Randomized Design ◽

Pig Performance

Two experiments were carried out to study the methodology of using increasing levels of substitution of the basal diet with fibrous test feedstuffs (sticky coffee hull - SCH) in digestibility trials with pigs. In Experiment 1, a digestibility trial was conducted using 30 crossbred barrows, allotted in a randomized block design. In Experiment 2, 42 growing and 42 finishing pigs were used, allotted in a completely randomized design, with six diets and seven replicates, with one animal per experimental unit. The six diets consisted of: a control diet, four diets using SCH ME values as obtained in Experiment 1 plus a diet using SCH ME value estimated by linear regression equation for 15% substitution. The digestibility study indicated that the use of increasing levels of substitution (7, 14, 21 and 28%) reduced SCH digestibility. ME values, as-fed basis, were 2,456, 2,377, 2,247 and 1,945kcal/kg. The overall results indicate that higher levels of substitution overestimate the energy value and that the method of increasing levels of substitution of the basal diet with feedstuffs test can be used to more accurately estimate the energy values of fibrous feedstuffs for pigs. For growing and finishing pigs respectively, up to 28% and 15% of sticky coffee hull can be used without impairing pig performance and economic feasibility.

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251 Evaluation of Condensed Algal Residue Solubles as an Ingredient in Cattle Finishing Diets

Journal of Animal Science ◽

10.1093/jas/skaa054.239 ◽

2020 ◽

Vol 98 (Supplement_3) ◽

pp. 137-138

Author(s):

Calvin Gibbons ◽

Andrea K Watson ◽

Galen E Erickson ◽

Bradley M Boyd ◽

Levi J McPhillips ◽

...

Keyword(s):

Great Plains ◽

Fixed Effects ◽

Block Design ◽

Random Effect ◽

Distillers Grains ◽

Experimental Unit ◽

Omega 3 ◽

Finishing Diets ◽

Randomized Block Design ◽

Algae Oil

Abstract Algae oil production for Omega-3 fatty acid supplementation yields a byproduct called Condensed Algal Residue Solubles (CARS; 25.4% DM, 19.3% CP, 8.3% Fat, 9.96% Na on DM basis), de-oiled algae cells with residual fermentation substrates. This study evaluated the use of CARS in feedlot finishing diets. Crossbreed steers, (n=480) were blocked and stratified by initial body weight (BW) into 4 blocks, and assigned randomly to treatments. Treatments were designed as a 2 x 3 factorial with 3 inclusions of CARS (0, 2.5, 5% of diet DM) and 2 different base diets representing Northern and Southern Great Plains diets. The Southern diets contained steam flaked corn and dry distillers grains while the Northern diets had dry rolled and high moisture corn with wet distillers grains. CARS replaced corn in both diets. All blocks were harvested after 148 days on feed. Performance data were analyzed as a randomized block design with CARS inclusion, base diet, and interactions as fixed effects, BW block as a random effect and pen (n=48) as the experimental unit. Orthogonal contrasts were used to test linear and quadratic effects of CARS inclusion. There were no significant interactions between CARS inclusion and diet type (P ≥ 0.49). Main effects of CARS indicated positive quadratic responses for carcass adjusted ADG, G:F, 12th rib back fat, yield grade (P < 0.01; increasing to 2.5% inclusion, decreasing at 5%) and hot carcass weight was both linear and quadratic (P ≤ 0.01 and P ≥ 0.06 respectively; 969, 977, 935 as CARS increased). Linear decrease in DMI, final adjusted BW and ribeye area (P ≤ 0.01) as CARS increased. Cattle fed the Southern diets had greater ADG and G:F compared to Northern diets (P < 0.01). Including 2.5% CARS in the diet improved feed efficiency in both Northern and Southern based feedlot diets.

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Long-term effects of feeding diets without mineral phosphorus supplementation on the performance and phosphorus excretion in high-yielding dairy cows

Canadian Journal of Animal Science ◽

10.4141/cjas07047 ◽

2007 ◽

Vol 87 (4) ◽

pp. 639-646 ◽

Cited By ~ 9

Author(s):

N. E. Odongo ◽

D. McKnight ◽

A. KoekKoek ◽

J. W. Fisher ◽

P. Sharpe ◽

...

Keyword(s):

Dairy Cows ◽

Body Condition Score ◽

Block Design ◽

Holstein Cows ◽

Long Term Effects ◽

Total Mixed Ration ◽

Mineral Phosphorus ◽

Randomized Block Design ◽

Randomized Design

The objective of this study was to assess the long-term effects of feeding a diet with no mineral phosphorus (P) supplementation on performance and P excretion in high-yielding dairy cows. In exp. 1, 24 primiparous (PP) and 40 multiparous (MP) Holstein cows were allocated to one of two treatments at calving: (1) regular corn silage and alfalfa haylage based milking cow total mixed ration (TMR; 0.42% P diet) or (2) milking cow total mixed ration (TMR) without supplemental mineral P (0.35% P diet) in a completely randomized design. The trial lasted until after two lactations were completed or the cow was culled. In exp. 2, eight MP Holstein cows (108 ± 8.0 d in milk) were used to determine P digestibility and retention in a completely randomized block design. In exp. 1, the 0.35% P diet cows had lower body weight, body condition score and milk urea nitrogen and higher faecal P than the 0.42% P cows. The dry matter intake (DMI) of PP cows on the 0.35% P diet was lower than that of PP cows on the 0.42% P diet. There was no difference in the DMI of MP cows. The P intake of 0.35% P diet PP cows was 30% lower than that of 0.42% P diet PP cows. The P intake of 0.35% P diet MP cows was 20% lower than that of 0.42% P diet MP. The digestibility coefficient of P for the 0.35% P diet was higher than that for the 0.42% P diet. These results suggest that the forages used in the present study contained adequate amounts of P to sustain milk production in high-yielding MP cows. However, for PP cows some mineral P supplementation is recommended especially during early lactation. Key words: Phosphorus, environmental pollution, intensive dairy operations

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Physiological Parameters of Pigs Raised with and without Environmental Enrichment

Journal of Agricultural Science ◽

10.5539/jas.v9n4p176 ◽

2017 ◽

Vol 9 (4) ◽

pp. 176

Author(s):

Carlos Syllas Monteiro Luz ◽

Leonardo Atta Farias ◽

José Luiz Leonardo Araujo Pimenta ◽

Joisiane Da Silva Santos ◽

Richard Átila De Sousa ◽

...

Keyword(s):

Weight Gain ◽

Environmental Enrichment ◽

Block Design ◽

Environmental Parameters ◽

Well Being ◽

Blood Parameters ◽

Physiological Parameters ◽

Pig Farming ◽

Randomized Block Design ◽

Morning Shift

Ethical and commercial issues are associated with animal welfare in pig farming, in that sense, the objective of this work was to evaluate physiological and blood parameters in addition to weight gain in pigs raised with and without sunlight and environmental enrichment (EE), as well as to correlate physiological and environmental parameters as welfare indicators. Twenty-four pigs distributed in a randomized block design with a 2 × 2 factorial arrangement were used. Blocks were represented by shifts (morning and afternoon), and factors by the presence or absence of EE and sunlight. Blood and environmental parameters of thermal comfort, in addition to weight gain, were registered. Physiological parameters showed to be shift dependent (p < 0.05), with the afternoon shift being superior when compared to the morning shift, thus indicating climate influence. Weight gain showed significant interactions (p < 0.05) in the presence and absence of sunlight and EE in the stalls. Temperature correlated positively with the physiological parameters. Moisture showed negative correlations with physiological parameters. The packed cell volume was lower (p < 0.05) in the presence of EE. The EE provides physiological well-being and weight gain for pigs in the nursery stage, especially when sunlight was absent in the stalls.

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Okra seedlings production in protected environment, testing substrates and producing fruits in field

Horticultura Brasileira ◽

10.1590/s0102-05362013000100002 ◽

2013 ◽

Vol 31 (1) ◽

pp. 08-14 ◽

Cited By ~ 2

Author(s):

Edilson Costa ◽

Taynara G de Souza ◽

Gleciane de L Benteo ◽

Katiane SS Benett ◽

Cleiton GS Benett

Keyword(s):

Block Design ◽

Joint Analysis ◽

State University ◽

Mato Grosso ◽

Randomized Block Design ◽

Randomized Design ◽

Completely Randomized Design ◽

Hot Weather ◽

Favorable Conditions ◽

Mato Grosso Do Sul

The okra grows well in hot weather, finding favorable conditions for development in Brazil. We evaluated the production of okra seedlings and productivity. The experiment was conducted in the experimental area of the State University of Mato Grosso do Sul, in Aquidauana. In the seedling phase we tested substrates (100% triturated cassava stems, 75% triturated cassava stems and 25% vermiculite, 50% triturated cassava stems and 50% vermiculite, 25% triturated cassava stems and 75% vermiculite and 100% vermiculite). These substrates were placed in two protected environments (nursery with black screen, 50% of shading, and aluminized screen, 50% of shading). Each environment was considered an experiment conducted in completely randomized design with eight replications. After that we realized joint analysis. In the field, a total of 10 treatments generated from combinations of environments and substrates (2 environments x 5 substrates) were distributed in a randomized block design with four replications. The average proportions of cassava stems and vermiculite may be suitable for okra seedlings. The results of shoot and total dry phytomass indicate that the aluminized screen can be recommended for okra seedlings production when the substrate with a 1:1 ratio is used. Seedlings grown on higher percentages of vermiculite anticipate production, while seedlings produced only in cassava stems tend to slow it down. The aluminized screen tends to increase the yield of okra seedlings. Average proportions of vermiculite and cassava stems for seedling production under aluminized screen, provide more fruits and yield of okra in Aquidauana.

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Physiological responses of beet plants irrigated with saline water and silicon application

Comunicata Scientiae ◽

10.14295/cs.v11i0.3113 ◽

2020 ◽

Vol 11 ◽

pp. E3113

Author(s):

José Sebastião de Melo Filho ◽

Toshik Iarley da Silva ◽

Anderson Carlos de Melo Gonçalves ◽

Leonardo Vieira de Sousa ◽

Mario Leno Martins Véras ◽

...

Keyword(s):

Stomatal Conductance ◽

Gas Exchange ◽

Carbon Concentration ◽

Saline Water ◽

Block Design ◽

Essential Element ◽

Net Photosynthesis ◽

Crop Productivity ◽

Experimental Unit ◽

Randomized Block Design

Although not considered an essential element, silicon can be used to increase crop productivity, especially under stress conditions. In this sense, the objective was to evaluate the gas exchange of beet plants irrigated with saline water depending on the application of silicon. The experiment was conducted in a randomized block design, in a 5 x 5 factorial, referring to five levels of electrical conductivity of irrigation water (ECw): (0.5; 1.3; 3.25; 5.2 and 6.0 dS m-1) and five doses of silicon (0.00; 2.64; 9.08; 15.52 and 18.16 mL L-1), with six beet plants as an experimental unit. The effect of treatments on beet culture was evaluated at 30 and 60 days after irrigation with saline water from measurements of internal carbon concentration, stomatal conductance, net photosynthesis rate, instantaneous water use efficiency and instantaneous carboxylation efficiency using the LCpro+Sistem infrared gas analyzer (IRGA). Irrigation with saline water reduced the gas exchange of beet plants at 60 days after irrigation, but at 30 days after irrigation, the use of saline water increased stomatal conductance, transpiration rate and internal carbon concentration. The application of silicon decreased stomatal conductance, internal carbon concentration and efficiency in the use of water, but increased the rate of net photosynthesis, the rate of transpiration and instantaneous efficiency of carboxylation at 30 and 60 days after irrigation.

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Correction of soil compaction using wood ash in safflower crop

Australian Journal of Crop Science ◽

10.21475/ajcs.19.13.08.p1878 ◽

2019 ◽

pp. 1375-1382

Author(s):

Tulio Martinez Santos ◽

Edna Maria Bonfim Silva ◽

Tonny José Araújo da Silva ◽

Ana Paula Alves Barreto Damasceno

Keyword(s):

Bulk Density ◽

Root System ◽

Soil Compaction ◽

System Development ◽

Block Design ◽

Dry Mass ◽

Wood Ash ◽

Experimental Unit ◽

Root System Development ◽

Randomized Block Design

Soil compaction is a big limitation to food production in agriculture. Wood ash is an agro-industrial residue generated by the burning of biomass in boilers for energy production. It can be used as a corrective agent and fertilizer of the soil. In this context, the objective of this study was to evaluate the root system of safflower cultivated under bulk density levels and wood ash doses in dystrophic Oxisol. The experiment was conducted in a greenhouse with a randomized block design under a 5x5 factorial scheme composed of 5 wood ash doses (0, 8, 16, 24, 32 g dm-3) and 5 bulk density levels (1.0, 1.2, 1.4, 1.6, 1.8 Mg m-3) with 4 replicates. The soil was collected from 0-0.20 m depth layer. Later it was incubated with the respective wood ash doses. Each experimental unit consisted of a pot made of three PVC (polyvinyl chloride) rings, in which the layers of 0.1-0.2 m were compacted. At 75 days after emergence, the plants were cut, their roots washed and the volume and dry mass checked. The results were submitted to analysis of variance and subsequent regression test, both at 5% probability. Soil densities negatively influenced the root system development and culture of safflower. Application of wood ash doses of 20 to 24 g dm-3 significantly improved root development of plant.

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Standardized ileal digestible (SID) isoleucine requirement of barrows (15- to 30- kg) fed low crude protein diets

Semina Ciências Agrárias ◽

10.5433/1679-0359.2017v38n5p3283 ◽

2017 ◽

Vol 38 (5) ◽

pp. 3283

Author(s):

Doglas Batista Lazzeri ◽

Leandro Dalcin Castilha ◽

Patrícia Barcellos Costa ◽

Ricardo Vianna Nunes ◽

Magali Soares dos Santos Pozza ◽

...

Keyword(s):

Crude Protein ◽

Block Design ◽

Average Daily Gain ◽

Basal Diet ◽

Experimental Unit ◽

Optimum Level ◽

Initial Weight ◽

Protein Deposition ◽

Randomized Block Design ◽

Protein Diets

This study aimed to determine the SID isoleucine (Ile) requirement of starting barrows fed low crude protein. Two experiments were carried out. Experiment 1: Ten crossbred barrows were used in order to determine the SID AA of the basal diet (treatment with the lowest SID Ile level used in the growth performance experiment), averaging 15.00 ± 0.27 kg of initial weight, individually housed in metabolic cages and allotted in a complete randomized design, with two treatments, five replicates and one animal per experimental unit. Treatments consisted of a basal (14.13% CP and 0.450% of SID Ile) and a free protein diet. Experiment 2: A performance experiment was carried out to determine the SID Ile requirement when using low crude protein diets. Forty crossbred barrows were used, averaging 15.00 ± 0.87 kg of initial weight and distributed in a randomized block design with five treatments (0.450, 0.520, 0.590, 0.660 and 0.730% of SID Ile) and two animals per experimental unit. The average daily gain (ADG) (P=0.049) and protein deposition (P=0.01) were affected by the studied SID Ile levels. The daily need of SID Ile was estimated at 5.9 g when considering 0.61% as the optimum level of SID Ile in the diet for an improved ADG and protein deposition.

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