Physicochemical Properties of Meat From Young Bulls of 3 Native Breeds: Polish Red, White-Backed, and Polish Black-and-White, as Well as of Simmental and Polish Holstein-Fresian Breeds

Litwińczuk, Zygmunt; Florek, Mariusz; Domaradzki, Piotr; Żółkiewski, Paweł

doi:10.15193/zntj/2014/96/053-062

Cited by 4 publications

(3 citation statements)

References 17 publications

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Section: Discussioncontrasting

confidence: 83%

“…The average daily weight gains of calves obtained in the present study, amounting to 880 g, were higher than those reported by Litwińczuk et al [54] (730 g). It should be noted that the calves in the present study were kept with their mothers in the pasture, while in the study by Litwińczuk et al [54] the animals were kept indoors without their mothers. Similar daily gains (850 g for heifers) or somewhat higher values (1120 g in bullocks) than in the present study were reported by Choroszy and Choroszy [55] for feedlot calves up to 12 months of age.…”

Section: Discussioncontrasting

confidence: 83%

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Adaptability of Polish Red Cows to Extensive Feeding Conditions

Chabuz,

Żółkiewski,

Sawicka-Zugaj

et al. 2023

Preprint

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The aim of the study was to assess the adaptability of Polish Red cows to extensive housing and feeding conditions. The study was carried out using 22 cows together with their offspring, kept on a certified organic family farm, from 15 October 2017 – the start of the winter feeding season – to 30 October 2018 – the end of the pasture season. The animals were kept as beef suckler cows, which stayed in the pasture during the summer and were kept in buildings with permanent access to a large cattle run in winter. The following were determined in the study: changes in the cows’ weight and body condition, daily gains in calves, 210-day standardized body weight, and estimated milk yield of suckler cows. To evaluate the cows’ health, blood was collected from them twice and analysed for haematological and biochemical parameters. The results indicated that during the study period the Polish Red cows had adequate body condition, normal vital parameters, and a normal course and development of pregnancy despite the sparse winter diet. This definitively confirms the breed’s high capacity to adapt to an extensive system.

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Section: Discussioncontrasting

confidence: 83%

Section: Discussioncontrasting

confidence: 83%

Adaptability of Polish Red Cows to Extensive Feeding Conditions

Chabuz,

Żółkiewski,

Sawicka-Zugaj

et al. 2023

Preprint

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“…In addition to the rare coat colour (side colouring) of the Polish White-Backed breed, research by Barłowska et al [11] and Litwi ńczuk et al [12] has shown that their milk has favourable physical and chemical characteristics, especially for processing. Similar conclusions were drawn from an analysis of the physical and chemical properties of the meat of Polish White-Backed cattle [13]. Their high fattening capacity has been observed in particular on semi-intensive farms using on-farm feed from permanent grassland [14].…”

Section: Introductionsupporting

confidence: 75%

The Role of Reproduction and Genetic Variation in Polish White-Backed Cows in the Breed Restoration Process

Sawicka-Zugaj,

Chabuz,

Kasprzak-Filipek

2023

Animals

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Local breeds are the main reservoir of biodiversity of farm animals. According to FAO, they account for 87% of all described breeds in the world. To ensure that they are adequately protected, they should be continually monitored for genetic variation. Another crucial factor is reproduction, which is the most important guarantee of population growth. In the present study, genetic variation in 372 Polish White-Backed cows was determined using DNA microsatellite sequences, taking into account their parentage. Reproductive parameters were analysed as well, based on data from 3658 lactations of 1128 Polish White-Backed cows. The results indicate that despite the small initial population and the implementation of a moderate selection of animals, the existing population of Polish White-Backed cattle has a high level of genetic variation, reflected in the degree of heterozygosity (0.761). Regarding reproductive traits, despite their late age at first calving, Polish White-Backed cows were shown to be distinguished by very good fertility parameters in comparison to other breeds raised in Poland. These findings not only confirm the value of protecting local cattle breeds around the world but may also be of importance in developing selection indices for highly productive breeds, in which reproductive functioning should be one of the most important factors considered.

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Impact of Kosher Slaughter Methods of Heifers and Young Bulls on Physical and Chemical Properties of Their Meat

Żurek

Rudy

Duma-Kocan

et al. 2022

Foods

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This work aimed to comprehensively analyze the factors (slaughter method, gender, and muscle type) that determine the kosher status of beef and assess their influence on the selected quality characteristics of raw meat. The muscles were obtained from 40 carcasses of heifers and 40 carcasses of young bulls. In the first stage of the experiment, pH values were measured. The water, protein, fat, minerals, and collagen contents were determined. Then, the shear force, forced drip, and thermal drip were measured. The experimental results indicated that all the investigated parameters have an impact on the final quality of beef. Statistically significantly lower pH1 values were noticed in the longissimus thoracic muscle of young bulls obtained through kosher slaughter methods. However, 24 and 48 h after slaughter, higher pH values were observed in the meat of young bulls obtained by the kosher slaughter method, where the meat samples were subjected to kosher treatment. The koshering process (salting and washing) resulted in a significant reduction in both forced and thermal drip values of the meat sample, but this decrease was not affected by gender.

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Physicochemical Properties of Meat From Young Bulls of 3 Native Breeds: Polish Red, White-Backed, and Polish Black-and-White, as Well as of Simmental and Polish Holstein-Fresian Breeds

Cited by 4 publications

References 17 publications

Adaptability of Polish Red Cows to Extensive Feeding Conditions

Adaptability of Polish Red Cows to Extensive Feeding Conditions

The Role of Reproduction and Genetic Variation in Polish White-Backed Cows in the Breed Restoration Process

Impact of Kosher Slaughter Methods of Heifers and Young Bulls on Physical and Chemical Properties of Their Meat

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