The fatty acid composition of longissimus &amp;lt;i&amp;gt;lumborum&amp;lt;/i&amp;gt; muscle of suckling and earlyweaned dual-purpose wool/meat lambs

Radzik-Rant, A.; Rant, W.; Rozbicka-Wieczorek, Agnieszka; Kuznicka, E.

doi:10.5194/aab-55-285-2012

Cited by 10 publications

(11 citation statements)

References 32 publications

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“…In line with our results when comparing the growth between early weaned and lambs suckling till 60 days of age, Radzik-Rant et al (2012) reported insignificantly 4.1% higher gain in the suckling lambs.…”

Section: Discussionsupporting

confidence: 91%

Growth, rumen development and meat quality in lambs of Blackhead Pleven breed, weaned at 25 and 70 days of age

Simeonov

Todorov

Nedelkov

et al. 2015

Emir. J. Food Agric

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The objective of this study was to compare the growth rate, rumen development and some quality parameters of carcass and meat in lambs weaned at 25 and 70 days of age. The average live weight gain during experimental period was 268 g per day for suckling lambs and 233 g per day for lambs on dry feed. The difference of 13.1% in daily gain was not significant at P<0.05. The lambs weaned at 25 days of age showed tendency for higher dressing percentage and carcass weight, more separable internal fat, and better carcass fattiness (P>0.05), compared to those weaned at 70 days of age. Therefore it is possible to obtain approximately the same growth in live weight and carcass in lambs weaned at 25 and 70 days of age. The lambs weaned at 25 kg live weight had higher weight of internal organs than the lambs weaned at 70 days, but the difference was significant (P<0.05) only for lung liver, small intestine, thick intestine and rumen. The length and thickness of rumen papillae were higher in lambs weaned at 25 days of age compared to the lambs weaned at 70 days of age (P<0.05). Significantly thicker was the rumen wall in the lambs weaned at 25 days of age compared to the weaned at 70 days (P<0.05).

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Section: Discussionsupporting

confidence: 91%

Growth, rumen development and meat quality in lambs of Blackhead Pleven breed, weaned at 25 and 70 days of age

Simeonov

Todorov

Nedelkov

et al. 2015

Emir. J. Food Agric

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“…The average age at first parturition is 24 months. The average lifetime fecundity expressed as the number of lambs weaned per ewe per year reaches 1.5 (Kuźnicka et al, 2005;Radzik-Rant et al, 2012;Kuźnicka and Rant, 2013). However, the observations so far have been carried out in warm barn conditions.…”

Section: Introductionmentioning

confidence: 99%

The ovulation rate, plasma progesterone and estradiol concentration, and litter size of a local ewe breed kept in a barn vs. those kept under an overhead shelter

et al. 2016

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Abstract.A herd of sheep (40 heads) was divided into two equal groups: group 1 was kept under an overhead shelter and group 2 in a warm barn. The effect of maintenance on ewe's reproductive performance, corpora lutea and corpora lutea of pregnancy rate, as well as the concentration of plasma progesterone and estradiol in peripheral blood was investigated. At the first laparoscopy fewer corpora lutea than during the following one were observed (P ≤ 0.01). In sheep kept under the overhead shelter, a greater number of corpora lutea were noted. More corpora lutea of pregnancy were observed in group 1 than in the group from the barn. On the first day after mating the average level of progesterone was 190 pg mL −1 , and after 2 weeks it increased to more than 300 pg mL −1 (P ≤ 0.01). The positive correlation between the number of corpora lutea of pregnancy and progesterone concentration (P ≤ 0.01) and the negative correlation (P ≤ 0.01) with number of corpora lutea of pregnancy, as well as between the litter size and estradiol concentration, were observed. Harsh environmental conditions did not cause a significant decrease of the reproduction performance of ewes kept under the overhead shed.

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“…Lamb meat has a special importance in infant nutrition, because it provides a unique [19][20][21][22]. These analyzes have shown that many factors in the production, such are diet, age of weaning, breed, sex and body weight, have effects on muscle fatty acid composition and sensory characteristics of lamb meat [15,23]. The interaction between a breed and environmental conditions could play an important role in the variability of fatty acid composition and sensory characteristics of lamb meat [21,23,24].…”

Section: Discussionmentioning

confidence: 99%

“…These analyzes have shown that many factors in the production, such are diet, age of weaning, breed, sex and body weight, have effects on muscle fatty acid composition and sensory characteristics of lamb meat [15,23]. The interaction between a breed and environmental conditions could play an important role in the variability of fatty acid composition and sensory characteristics of lamb meat [21,23,24]. Within the aim of biodiversity conservation, these facts emphasize the importance of collecting environmental data relevant for production characteristics and provide a comprehensive description of traditional habitat, such as specifi c botanical biodiversity in which animals are reared [14,[24][25][26][27].…”

Section: Discussionmentioning

confidence: 99%

Evaluation of Zackel Lamb Meat Quality with the Aim of Increasing the Conservation Value of the Breed

et al. 2014

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The objective of the study was to perform and evaluate the advanced phenotypic characterization of endangered Zackel sheep types, especially their productive potential and meat quality traits. Meat quality characteristics (m. longissimus dorsi) were evaluated in lambs of three types of autochthonous Zackel sheep: Sjenica sheep, Lipe sheep and Vlashko Vitoroga sheep, reared in traditional habitats in a sustainable management system. For the evaluation of sensory characteristics of lamb meat, quantitative descriptive analysis was performed according to ISO 6564:1985, i.e. structural intensity scale of seven points. All Zackel meat samples had an overall acceptability, the most favorable being in Sjenica sheep, with detected differences between Sjenica and Vlashko Vitoroga sheep (p<0.01), as well as between Lipe and Vlashko Vitoroga sheep (p<0.05). For the determination of fatty acids profi le the prepared samples were analyzed using gas chromatography. The results showed that all tested lamb meat samples contain favorable amounts of conjugated linoleic acid (CLA). The average content of conjugated linoleic acid was higher in Sjenica lamb meat compared with Lipe lamb meat, and the difference was signifi cant (p<0.01). It is also shown that examined samples of Sjenica, Lipe and Vlashko Vitoroga lambs, compared to many other exotic and local breeds, were characterized by preferable values of n-6:n-3 fatty acid ratio. Polyunsaturated fatty acid n-6:n−3 ratio difference between tested Zackel types was not signifi cant. The favorable fatty acid profi le, important for human health and especially for infant and children nutrition, raises the interest for sustainable production and conservation of Zackel sheep.

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The fatty acid composition of longissimus <i>lumborum</i> muscle of suckling and earlyweaned dual-purpose wool/meat lambs

Cited by 10 publications

References 32 publications

Growth, rumen development and meat quality in lambs of Blackhead Pleven breed, weaned at 25 and 70 days of age

Growth, rumen development and meat quality in lambs of Blackhead Pleven breed, weaned at 25 and 70 days of age

The ovulation rate, plasma progesterone and estradiol concentration, and litter size of a local ewe breed kept in a barn vs. those kept under an overhead shelter

Evaluation of Zackel Lamb Meat Quality with the Aim of Increasing the Conservation Value of the Breed

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