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- 01HQMTWJAS0ETB54D1KYF1T8N4 classification C3.
- 01HQMTWJAS0ETB54D1KYF1T8N4 date "2023".
- 01HQMTWJAS0ETB54D1KYF1T8N4 language "eng".
- 01HQMTWJAS0ETB54D1KYF1T8N4 type conference.
- 01HQMTWJAS0ETB54D1KYF1T8N4 hasPart 01HQMTXJYTXHAYVG3A0X32XD9X.pdf.
- 01HQMTWJAS0ETB54D1KYF1T8N4 subject "Veterinary Sciences".
- 01HQMTWJAS0ETB54D1KYF1T8N4 issn "1040-452X".
- 01HQMTWJAS0ETB54D1KYF1T8N4 issn "1098-2795".
- 01HQMTWJAS0ETB54D1KYF1T8N4 issue "7".
- 01HQMTWJAS0ETB54D1KYF1T8N4 presentedAt urn:uuid:071a992a-4154-4220-8325-64cdd492ebad.
- 01HQMTWJAS0ETB54D1KYF1T8N4 volume "90".
- 01HQMTWJAS0ETB54D1KYF1T8N4 abstract "Stillborn piglets are associated with infectious and noninfectious risk factors. The latter can be of genetic, maternal, piglet and environmental origin, and/or their interactions. High litter size (>12 piglets) has been shown to increase the risk for stillborn piglets. Also, maternal nutrition is important, as feed contamination or nutritional deficiencies might directly impact fetal development. The present case report involved an organic farm of 320 sows practicing a 3‐week batch production. The farm was infected with PRRS virus, but there were no clinical signs of PRRS. Sow genetics were Topigs 20 and 60, with Topigs Fomeva11 terminal boar. The farm produced great grandparent (GGP) and grandparent (GP) gilts. Average litter size was 19 piglets. From 2019 onwards, there was premature farrowing and severe intra‐litter mortality, ranging from 60% to 100%. Primiparous as well as multiparous sows were affected. The administration of progestogens from Days 110 to 112 of gestation showed an initial improvement, but it did not solve the problem. High stillbirth rates persisted throughout 2020, leading to the loss of 1600 piglets. Laboratory investigations on target samples collected from piglets included real‐time PCR for different viruses (PRRSV, PPV, PCV2, Enterovirus, CSFV, ASFV, SHV1, EMCV, and PCMV), Chlamydia spp., Leptospira spp., Toxoplasma gondii, and bacteriology and histopathology. The general feed composition was determined (moisture, crude protein, crude fat, crude fiber, crude ash, calcium, sodium digestive phosphorus, lysine), as well as the levels of different vitamins (A, D3, E, K3, B1, B2, B6, and B12). Possible contamination of the feed with zearalenone and other mycotoxins was also assessed. Physicochemical and microbiological analyzes were performed on the drinking water. Laboratory investigations on piglets' tissues, feed, and water did not show significant results, except for the riboflavin level in the feed. This was 1.25 mg/kg, revealing a possible riboflavin (Vit. B2) deficiency. The minimum dietary level of riboflavin for gestating sows is 3.75 mg/kg of diet (7.87 mg/day) (NRC, 2012). Based on this result, pregnant sows were treated with a vitamin complex (10 mL per sow; 3 mg/mL of riboflavin) intramuscularly for 3 days (starting 30 days before farrowing) and orally for the following 30 days (until farrowing). The treatment eliminated the problem. In gestating sows, riboflavin deficiency results in premature farrowing, stillbirths, and neonatal death. The large litter size in the farm might have exacerbated the problem. The riboflavin deficiency was not demonstrated analytically in the animal, but the clinical presentation, the low vit. B2 levels in the feed and the effectiveness of the riboflavin supplementation lead to an ex juvantibus diagnosis of this deficiency. This case report highlights that riboflavin deficiency during gestation must be considered in case of premature parturition and stillborn litters".
- 01HQMTWJAS0ETB54D1KYF1T8N4 author F54EFAAE-F0ED-11E1-A9DE-61C894A0A6B4.
- 01HQMTWJAS0ETB54D1KYF1T8N4 author urn:uuid:2563718c-90ae-41f3-ab39-11401da64ce8.
- 01HQMTWJAS0ETB54D1KYF1T8N4 author urn:uuid:2ef39e10-c373-4d7f-b812-a613be537283.
- 01HQMTWJAS0ETB54D1KYF1T8N4 author urn:uuid:7be65088-11c9-4c65-97ac-f54368f1e535.
- 01HQMTWJAS0ETB54D1KYF1T8N4 author urn:uuid:8b14d60a-8232-44a7-88e9-10cdb0db8caf.
- 01HQMTWJAS0ETB54D1KYF1T8N4 author urn:uuid:b708e1ee-2fe8-4a4e-9eb2-afcd2dd717a3.
- 01HQMTWJAS0ETB54D1KYF1T8N4 author urn:uuid:fc88b150-ed6e-4161-a63a-306e6d852335.
- 01HQMTWJAS0ETB54D1KYF1T8N4 author urn:uuid:ff252a65-6a95-4695-a670-c189215aa541.
- 01HQMTWJAS0ETB54D1KYF1T8N4 dateCreated "2024-02-27T08:28:49Z".
- 01HQMTWJAS0ETB54D1KYF1T8N4 dateModified "2024-12-12T20:48:09Z".
- 01HQMTWJAS0ETB54D1KYF1T8N4 name "Stillbirths and premature farrowing in organic sow farms due to riboflavin deficiency".
- 01HQMTWJAS0ETB54D1KYF1T8N4 pagination urn:uuid:dad26d54-1838-4832-ac01-b5cbcfa99e5c.
- 01HQMTWJAS0ETB54D1KYF1T8N4 sameAs LU-01HQMTWJAS0ETB54D1KYF1T8N4.
- 01HQMTWJAS0ETB54D1KYF1T8N4 sourceOrganization urn:uuid:eb955217-620e-4630-b209-92fa6ba855ab.
- 01HQMTWJAS0ETB54D1KYF1T8N4 type C3.