2022
DOI: 10.12968/live.2022.27.1.40
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Ewe colostrum quality on commercial Welsh sheep farms

Abstract: In advance of the 2020 lambing season, 147 Welsh farmers were engaged in active colostrum management through training and discussion groups. Sixty-four of these farmers returned data on 1295 ewes, including ewe age, breed, body condition score (BCS), number of live and dead lambs born, a description of udder condition, colour of colostrum and a Brix reading. Flock numbers were available from 43 farmers and information on late pregnancy ration from 30 farms. Results were analysed using a Brix reading cut-off o… Show more

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Cited by 3 publications
(4 citation statements)
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“…Additionally, the Zn content in sheep colostrum (from 5000 µg kg −1 to 57,000 µg kg −1 , mean 25,000 µg kg −1 ) is higher than reported in colostrum of goats [ 26 ] and of humans [ 32 ] and is markedly higher than reported in sheep milk [ 9 , 33 ]. Because of the role of Zn in immune function and in the teat keratin synthesis, it could reduce the susceptibility of the mammary gland to mastitis, which frequently occurs after the parturition [ 9 ].…”
Section: Resultsmentioning
confidence: 70%
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“…Additionally, the Zn content in sheep colostrum (from 5000 µg kg −1 to 57,000 µg kg −1 , mean 25,000 µg kg −1 ) is higher than reported in colostrum of goats [ 26 ] and of humans [ 32 ] and is markedly higher than reported in sheep milk [ 9 , 33 ]. Because of the role of Zn in immune function and in the teat keratin synthesis, it could reduce the susceptibility of the mammary gland to mastitis, which frequently occurs after the parturition [ 9 ].…”
Section: Resultsmentioning
confidence: 70%
“…Additionally, the Zn content in sheep colostrum (from 5000 µg kg −1 to 57,000 µg kg −1 , mean 25,000 µg kg −1 ) is higher than reported in colostrum of goats [ 26 ] and of humans [ 32 ] and is markedly higher than reported in sheep milk [ 9 , 33 ]. Because of the role of Zn in immune function and in the teat keratin synthesis, it could reduce the susceptibility of the mammary gland to mastitis, which frequently occurs after the parturition [ 9 ]. However, the correct concentration of Zn in colostrum and milk is crucial for lambs’ growth as weight gain is dramatically reduced in lambs when Zn supplements provided only 0.05 mg Zn kg 1 BW day −1 , whereas an amount of 0.2 mg Zn kg 1 BW day −1 ensures a good rate of growth [ 34 ].…”
Section: Resultsmentioning
confidence: 70%
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“…Recommendations are 20 per cent of the lamb's birthweight within 24 hours of high quality colostrum, with 50 per cent of this delivered within the first six hours. Recommendations are that colostrum should exceed 26.5 per cent on a Brix refractometer (Page and others 2022).…”
Section: Specific Areas Influencing Neonatal Survivalmentioning
confidence: 99%