Influence of various ventilation type on microclimate parameters, productivity of lactating sows, and growth of suckling piglets in spring and autumn seasons

Zhyzhka, S. V.; Povod, M.; Mylostyvyi, Roman

doi:10.32819/2019.71016

TAVM

2019

DOI: 10.32819/2019.71016

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Influence of various ventilation type on microclimate parameters, productivity of lactating sows, and growth of suckling piglets in spring and autumn seasons

S. V. Zhyzhka¹,

M. Povod²,

Roman Mylostyvyi³

Abstract: Technological group of lactating sows with suckling piglets, are very sensitive to any climate change. They are basis for the next development and implementation of their genetic potential, therefore one of the most important issues of housing is the right choice of the microclimate creation system. One of the main tasks in this case is also the reduction of energy costs to provide proper parameters, both for animals and for their service staff. The effect of microclimate parameters created by means of traditi… Show more

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Cited by 2 publications

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“…Only 10% of diseases are infectious. The production and rearing of piglets is the most critical stage in pig farming because they are highly sensitive to changes in room temperature (Lykhach et al, 2022;Zhyzhka, Povod and Mylostyvyi, 2019).…”

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Morphological and biochemical parameters of blood and quality of meat obtained from pigs with different stress resistance

Chornyi,

Stegniy,

Vovk

et al. 2023

J. Vet. Med. Biotechnol. Biosafety

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The results of the experiments were used to evaluate the morphological and protein composition of blood, as well as the quality of meat from pigs of different stress resistance. The studies were carried out under the conditions of PJSC ‘Stepovyi’ in Zaporizhzhia Region on Large White (LW) pigs and Large White/Charcoal Landrace (LWCL) crossbreeds. During the study period, the hygienic conditions of keeping, feeding and watering of the animals, their growth and development, clinical condition and morbidity were evaluated. After reaching a live weight of 100 kg, the pork meat quality (pH, moisture content, oxyproline, tryptophan) of slaughtered animals was studied. It was found that the LW genotypes were superior to the local LWCL by the number of leukocytes in passively resistant (PR) animals — by 2.7%, in stress resistant (SR) animals — by 3.15%, and in stress sensitive (SS) animals they were inferior by this indicator by 7.7%. There was no significant difference in erythrocyte content between SR and SS, but erythrocyte content was 8.53% lower in PR. The concentration of hemoglobin was higher in PR animals of the Large White cross. The latter were superior to LW in terms of total protein: PR — by 2.26%, SR — by 1.9%, in terms of albumin — PR had an advantage of 16.6%, SR — by 7.69% (p < 0.05). Gamma globulin content was 6.44% lower in SS animals. They were superior to LW in terms of live weight: PR — by 14% at one month of age; by 4.2% at four months of age, SR — by 6.2%, but the difference between SR and SS was not significant. PR animals of the Large White breed were superior in terms of hemoglobin content. The level of total protein in blood serum was higher in crossbred genotypes: in PR — by 2.26%, in SR — by 1.9%. The concentration of albumin was higher in the crossbred animals than in the LW: PR — by 16.6%, SR — by 7.69%, and the level of gamma globulins was 6.51% lower in the SS. In terms of live weight, crossbred genotypes outperformed LW: passive resistant genotypes — by 14% at one month of age, stress resistant genotypes — by 6.2% and 4.2% at four months of age. The crossbred genotypes reached 100 kg live weight: PR — at 180 days, SR — at 183 days, SS — at 191 days, which is 4, 5, and 12 days earlier than LW, respectively. In crossbred pigs, the positive correlation for thoracic girth was 0.6942 and 0.8310, and for withers height — 0.6643 and 0.6811. In terms of body length, animals of the crossbred genotype were superior to LW: PR by 4.2%, SR by 1.46%, while the difference in chest girth and body length in SS individuals was not significant. Lung weight was 0.84% higher in PR and 3.7% higher in SR, and kidney weight was 9.8% higher in PR, 6.56% higher in SR, and 1.37% lower in SS. LW animals were superior in heart weight. Behavioral responses (fighting, skirmishing) were more pronounced in the crossed genotypes, especially in SR and SS animals. A higher level of tryptophan was found in the meat of SR crossbred animals, oxyproline — in PR and SR, pH of meat — in Large White PR and SR ranged from 5.61 to 5.72 units, in crossbred animals this indicator did not exceed the values of 5.03–5.21 units. Defects in meat with PSE (pale, soft, exudative) signs of LW were found: in PR — 0.4%, SR — 0.63%, SS — 3.7%, and in LWCL respectively — 2.3%, SR — 2.1%, SS — 4.21%, in local — defects in meat with DFD (dark, firm, dry) signs were manifested in 3.1%, 2.15%, and 5.1%

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mentioning

confidence: 99%

Morphological and biochemical parameters of blood and quality of meat obtained from pigs with different stress resistance

Chornyi,

Stegniy,

Vovk

et al. 2023

J. Vet. Med. Biotechnol. Biosafety

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Season dynamics of microclimate parameters in the premises for keeping suckling sows farm with different ventilation systems

Михалко

Povod

2020

Tehnologìâ virobnictva ì pererobki produktìv tvarinnictva

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The article investigated the dependence of the microclimate indicators in the premises for keeping suckling sows on the design features of the ventilation system. The annual dynamics of seasonal temperature fluctuations in both premises of the reproducer of the farm, as well as in the zone of piglets' vital activity, was recorded within the normal range. At the same time, when using the classical type of ventilation, the temperature indicators were significantly higher in summer compared to similar values in premises with a geothermal type of ventilation. At the same time, the amplitude of fluctuations in the annual dynamics of the piglet den temperature was higher in premises with an experimental type of ventilation relative to the traditional one and with a slight relative excess of the optimal value of the indicator by 0,1 ° C in the spring months. The temperature regime of the den of sows both in the study and in the control premises during the study period was characterized by uneven differences in off-season indicators: when using classical ventilation, the peak fell in the summer period, when using ventilation with underground air supply, in winter, however, without exceeding the optimal values. The air velocity in both rooms increased during the summer months. At the same time, with the traditional system for creating a microclimate, a stable reliable excess of this indicator relative to the values of the studied system was recorded, as well as its excess of the norm in summer. For the studied system with underground air supply, on the contrary, low values were noted and extremely low in the winter season. Both ventilation systems ensured optimal air humidity during the study period. The carbon dioxide content tended to increase in the autumn months in both premises, however, it exceeded the norm only when using traditional ventilation during this period – by 0,02% vol. Average values of ammonia content were kept in the optimal zone during all seasons with a slight increase in concentrations in autumn. However, the experimental microclimate system allowed a significantly higher NH3 content than in control premises system in the summer months at 1,99 mg/m3 or 150,09%. The hydrogen sulfide content was optimal for both premises during the year. But the premises where the investigated air preparation system "Exatop" was installed significantly higher in the concentration of H2 S, by 64,81% (p<0,001) in spring, by 61,14% (p<0,001) in summer and by 43,00% (p<0,001) in autumn, relative to premises with a traditional air preparation system. Despite the shown dependence of the microclimate indicators on the type of ventilation, it should be noted that it is important to continue further studies of the influence of these factors. Key words: sow, piglet, type of ventilation, multiple births, piglet nest weight, safety, season.

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Influence of various ventilation type on microclimate parameters, productivity of lactating sows, and growth of suckling piglets in spring and autumn seasons

Cited by 2 publications

References 12 publications

Morphological and biochemical parameters of blood and quality of meat obtained from pigs with different stress resistance

Morphological and biochemical parameters of blood and quality of meat obtained from pigs with different stress resistance

Season dynamics of microclimate parameters in the premises for keeping suckling sows farm with different ventilation systems

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