Sow-related factors affecting the postweaning feed intake in Landrace × Large White females
During the weaning-to-estrus interval (WEI), a high feeding level is usually offered to recover losses due to lactational catabolism. However, several factors can affect the appetite, possibly impairing the efficacy of this strategy. This study aimed to investigate the effect of sow-related factors...
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| Veröffentlicht in: | Tropical animal health and production 2021-06, Vol.53 (2), p.261-261, Article 261 |
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| creator | Gianluppi, Rafael Dal Forno Lucca, Matheus Schardong Bernardi, Mari Lourdes Mellagi, Ana Paula Gonçalves da Rosa Ulguim, Rafael Bortolozzo, Fernando Pandolfo |
| description | During the weaning-to-estrus interval (WEI), a high feeding level is usually offered to recover losses due to lactational catabolism. However, several factors can affect the appetite, possibly impairing the efficacy of this strategy. This study aimed to investigate the effect of sow-related factors on average daily feed intake (ADFI) during WEI in 142 primiparous and 458 multiparous sows. After weaning, the sows received 4.3 kg/day of feed and the wastage was recorded. The ADFI after weaning was lower in primiparous than multiparous sows, and on estrous day than in 2 and 3 days preceding estrus (
P
≤ 0.05). In primiparous sows, lower ADFI was observed if they had higher backfat thickness at 112 days of gestation (BFT ≥ 11.5 mm) or higher reserves at weaning (BFT ≥ 10.5 mm, caliper units ≥ 12 or ≥ 157 kg;
P
≤ 0.05). Higher body reserves at the end of gestation (caliper units ≥ 12, BFT ≥ 11.0 mm, or BCS ≥ 3.0) or weaning (caliper units ≥ 13, BFT ≥ 12.5 mm) negatively affected the ADFI in multiparous sows (
P
< 0.04). Weaned litter size ≤ 11 piglets (
P
= 0.06) and shorter lactation length (
P
< 0.01) decreased the ADFI in primiparous sows. Greater loss in caliper units during lactation tended to reduce ADFI in primiparous and multiparous sows (
P
≤ 0.07). Multiparous sows with greater losses in BFT and BCS had lower ADFI (
P
≤ 0.03). The ADFI during WEI is reduced when sows are in estrus or if they have greater body reserves. |
| doi_str_mv | 10.1007/s11250-021-02720-4 |
| format | Article |
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P
≤ 0.05). In primiparous sows, lower ADFI was observed if they had higher backfat thickness at 112 days of gestation (BFT ≥ 11.5 mm) or higher reserves at weaning (BFT ≥ 10.5 mm, caliper units ≥ 12 or ≥ 157 kg;
P
≤ 0.05). Higher body reserves at the end of gestation (caliper units ≥ 12, BFT ≥ 11.0 mm, or BCS ≥ 3.0) or weaning (caliper units ≥ 13, BFT ≥ 12.5 mm) negatively affected the ADFI in multiparous sows (
P
< 0.04). Weaned litter size ≤ 11 piglets (
P
= 0.06) and shorter lactation length (
P
< 0.01) decreased the ADFI in primiparous sows. Greater loss in caliper units during lactation tended to reduce ADFI in primiparous and multiparous sows (
P
≤ 0.07). Multiparous sows with greater losses in BFT and BCS had lower ADFI (
P
≤ 0.03). The ADFI during WEI is reduced when sows are in estrus or if they have greater body reserves.</description><identifier>ISSN: 0049-4747</identifier><identifier>EISSN: 1573-7438</identifier><identifier>DOI: 10.1007/s11250-021-02720-4</identifier><identifier>PMID: 33860367</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Animal behavior ; Biomedical and Life Sciences ; Catabolism ; Estrus ; Gestation ; Hogs ; Lactation ; Life Sciences ; Physical growth ; Regular Articles ; Reserves ; Veterinary Medicine/Veterinary Science ; Weaning ; Zoology</subject><ispartof>Tropical animal health and production, 2021-06, Vol.53 (2), p.261-261, Article 261</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2021</rights><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c2694-5f148c1c5bb8b86547bad196f24f8366aad455fac685226ebeb6026379c54f83</cites><orcidid>0000-0003-3243-8966 ; 0000-0002-7210-1607 ; 0000-0001-8250-5210 ; 0000-0002-0296-5637 ; 0000-0003-2696-9285 ; 0000-0003-2543-5556</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11250-021-02720-4$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11250-021-02720-4$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33860367$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gianluppi, Rafael Dal Forno</creatorcontrib><creatorcontrib>Lucca, Matheus Schardong</creatorcontrib><creatorcontrib>Bernardi, Mari Lourdes</creatorcontrib><creatorcontrib>Mellagi, Ana Paula Gonçalves</creatorcontrib><creatorcontrib>da Rosa Ulguim, Rafael</creatorcontrib><creatorcontrib>Bortolozzo, Fernando Pandolfo</creatorcontrib><title>Sow-related factors affecting the postweaning feed intake in Landrace × Large White females</title><title>Tropical animal health and production</title><addtitle>Trop Anim Health Prod</addtitle><addtitle>Trop Anim Health Prod</addtitle><description>During the weaning-to-estrus interval (WEI), a high feeding level is usually offered to recover losses due to lactational catabolism. However, several factors can affect the appetite, possibly impairing the efficacy of this strategy. This study aimed to investigate the effect of sow-related factors on average daily feed intake (ADFI) during WEI in 142 primiparous and 458 multiparous sows. After weaning, the sows received 4.3 kg/day of feed and the wastage was recorded. The ADFI after weaning was lower in primiparous than multiparous sows, and on estrous day than in 2 and 3 days preceding estrus (
P
≤ 0.05). In primiparous sows, lower ADFI was observed if they had higher backfat thickness at 112 days of gestation (BFT ≥ 11.5 mm) or higher reserves at weaning (BFT ≥ 10.5 mm, caliper units ≥ 12 or ≥ 157 kg;
P
≤ 0.05). Higher body reserves at the end of gestation (caliper units ≥ 12, BFT ≥ 11.0 mm, or BCS ≥ 3.0) or weaning (caliper units ≥ 13, BFT ≥ 12.5 mm) negatively affected the ADFI in multiparous sows (
P
< 0.04). Weaned litter size ≤ 11 piglets (
P
= 0.06) and shorter lactation length (
P
< 0.01) decreased the ADFI in primiparous sows. Greater loss in caliper units during lactation tended to reduce ADFI in primiparous and multiparous sows (
P
≤ 0.07). Multiparous sows with greater losses in BFT and BCS had lower ADFI (
P
≤ 0.03). 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However, several factors can affect the appetite, possibly impairing the efficacy of this strategy. This study aimed to investigate the effect of sow-related factors on average daily feed intake (ADFI) during WEI in 142 primiparous and 458 multiparous sows. After weaning, the sows received 4.3 kg/day of feed and the wastage was recorded. The ADFI after weaning was lower in primiparous than multiparous sows, and on estrous day than in 2 and 3 days preceding estrus (
P
≤ 0.05). In primiparous sows, lower ADFI was observed if they had higher backfat thickness at 112 days of gestation (BFT ≥ 11.5 mm) or higher reserves at weaning (BFT ≥ 10.5 mm, caliper units ≥ 12 or ≥ 157 kg;
P
≤ 0.05). Higher body reserves at the end of gestation (caliper units ≥ 12, BFT ≥ 11.0 mm, or BCS ≥ 3.0) or weaning (caliper units ≥ 13, BFT ≥ 12.5 mm) negatively affected the ADFI in multiparous sows (
P
< 0.04). Weaned litter size ≤ 11 piglets (
P
= 0.06) and shorter lactation length (
P
< 0.01) decreased the ADFI in primiparous sows. Greater loss in caliper units during lactation tended to reduce ADFI in primiparous and multiparous sows (
P
≤ 0.07). Multiparous sows with greater losses in BFT and BCS had lower ADFI (
P
≤ 0.03). The ADFI during WEI is reduced when sows are in estrus or if they have greater body reserves.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>33860367</pmid><doi>10.1007/s11250-021-02720-4</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0003-3243-8966</orcidid><orcidid>https://orcid.org/0000-0002-7210-1607</orcidid><orcidid>https://orcid.org/0000-0001-8250-5210</orcidid><orcidid>https://orcid.org/0000-0002-0296-5637</orcidid><orcidid>https://orcid.org/0000-0003-2696-9285</orcidid><orcidid>https://orcid.org/0000-0003-2543-5556</orcidid></addata></record> |
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| issn | 0049-4747 1573-7438 |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Animal behavior Biomedical and Life Sciences Catabolism Estrus Gestation Hogs Lactation Life Sciences Physical growth Regular Articles Reserves Veterinary Medicine/Veterinary Science Weaning Zoology |
| title | Sow-related factors affecting the postweaning feed intake in Landrace × Large White females |
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