High-performing farms exploit reproductive potential of high and low prolific sows better than low-performing farms
Our objective was to examine the impact of farm effects and sow potential on various aspects of sow performance. We examined the interaction between sow prolificacy groups categorized at parity 1 and farm productivity groups for reproductive performance across parities, and lifetime performance. Dat...
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Published in | Porcine Health Management. Vol. 4; no. 1; p. 15 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
England
BioMed Central
16.07.2018
BMC |
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Abstract | Our objective was to examine the impact of farm effects and sow potential on various aspects of sow performance. We examined the interaction between sow prolificacy groups categorized at parity 1 and farm productivity groups for reproductive performance across parities, and lifetime performance. Data included 419,290 service records of 85,096 sows, on 98 Spanish farms, from first-service as gilts to removal, that were served between 2008 and 2013. Farms were categorized into three productivity groups based on the upper and lower 25th percentiles of the farm means of annualized lifetime piglets weaned per sow over the 6 years: high-performing (HP), intermediate-performing (IP), and low-performing (LP) farms. Also, parity 1 sows were categorized into three groups based on the upper and lower 10th percentiles of piglets born alive (PBA) as follows: 15 piglets or more (H-prolific), 8 to 14 piglets, and 7 piglets or fewer (L-prolific). The farm groups represent farm effects, whereas the sow groups represent sow potential. Linear mixed effects models were performed with factorial arrangements and repeated measures.
Mean parity at removal (4.8 ± 0.01) was not associated with three farm productivity groups (
= 0.43). However, HP farms had 7.7% higher farrowing rates than LP farms (
< 0.05). As a result, H-prolific and L-prolific sows on HP farms had 29.7 and 30.7 fewer non-productive days during lifetime than the respective sows on LP farms (
< 0.05). Furthermore, the H-prolific and L-prolific sows on HP farms had 4.9 and 6.2 more annualized piglets weaned than respective H-prolific and L-prolific sows on LP farms (
< 0.05), which was achieved by giving birth to 0.8-1.0 and 1.4-1.7 more PBA per litter, respectively, than on HP farms during parities 2-6 (
< 0.05). During the first parity, HP farms had 18.8% H-prolific sows compared to 6.2% on LP farms.
Farm effects substantially affected lifetime performance of sows. Higher lifetime productivity of sows on HP farms was achieved by higher farrowing rate, fewer non-productive days, more PBA and more piglets weaned per sow, regardless of prolific category of the sows. |
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AbstractList | BACKGROUNDOur objective was to examine the impact of farm effects and sow potential on various aspects of sow performance. We examined the interaction between sow prolificacy groups categorized at parity 1 and farm productivity groups for reproductive performance across parities, and lifetime performance. Data included 419,290 service records of 85,096 sows, on 98 Spanish farms, from first-service as gilts to removal, that were served between 2008 and 2013. Farms were categorized into three productivity groups based on the upper and lower 25th percentiles of the farm means of annualized lifetime piglets weaned per sow over the 6 years: high-performing (HP), intermediate-performing (IP), and low-performing (LP) farms. Also, parity 1 sows were categorized into three groups based on the upper and lower 10th percentiles of piglets born alive (PBA) as follows: 15 piglets or more (H-prolific), 8 to 14 piglets, and 7 piglets or fewer (L-prolific). The farm groups represent farm effects, whereas the sow groups represent sow potential. Linear mixed effects models were performed with factorial arrangements and repeated measures. RESULTSMean parity at removal (4.8 ± 0.01) was not associated with three farm productivity groups (P = 0.43). However, HP farms had 7.7% higher farrowing rates than LP farms (P < 0.05). As a result, H-prolific and L-prolific sows on HP farms had 29.7 and 30.7 fewer non-productive days during lifetime than the respective sows on LP farms (P < 0.05). Furthermore, the H-prolific and L-prolific sows on HP farms had 4.9 and 6.2 more annualized piglets weaned than respective H-prolific and L-prolific sows on LP farms (P < 0.05), which was achieved by giving birth to 0.8-1.0 and 1.4-1.7 more PBA per litter, respectively, than on HP farms during parities 2-6 (P < 0.05). During the first parity, HP farms had 18.8% H-prolific sows compared to 6.2% on LP farms. CONCLUSIONFarm effects substantially affected lifetime performance of sows. Higher lifetime productivity of sows on HP farms was achieved by higher farrowing rate, fewer non-productive days, more PBA and more piglets weaned per sow, regardless of prolific category of the sows. Our objective was to examine the impact of farm effects and sow potential on various aspects of sow performance. We examined the interaction between sow prolificacy groups categorized at parity 1 and farm productivity groups for reproductive performance across parities, and lifetime performance. Data included 419,290 service records of 85,096 sows, on 98 Spanish farms, from first-service as gilts to removal, that were served between 2008 and 2013. Farms were categorized into three productivity groups based on the upper and lower 25th percentiles of the farm means of annualized lifetime piglets weaned per sow over the 6 years: high-performing (HP), intermediate-performing (IP), and low-performing (LP) farms. Also, parity 1 sows were categorized into three groups based on the upper and lower 10th percentiles of piglets born alive (PBA) as follows: 15 piglets or more (H-prolific), 8 to 14 piglets, and 7 piglets or fewer (L-prolific). The farm groups represent farm effects, whereas the sow groups represent sow potential. Linear mixed effects models were performed with factorial arrangements and repeated measures. Mean parity at removal (4.8 ± 0.01) was not associated with three farm productivity groups ( = 0.43). However, HP farms had 7.7% higher farrowing rates than LP farms ( < 0.05). As a result, H-prolific and L-prolific sows on HP farms had 29.7 and 30.7 fewer non-productive days during lifetime than the respective sows on LP farms ( < 0.05). Furthermore, the H-prolific and L-prolific sows on HP farms had 4.9 and 6.2 more annualized piglets weaned than respective H-prolific and L-prolific sows on LP farms ( < 0.05), which was achieved by giving birth to 0.8-1.0 and 1.4-1.7 more PBA per litter, respectively, than on HP farms during parities 2-6 ( < 0.05). During the first parity, HP farms had 18.8% H-prolific sows compared to 6.2% on LP farms. Farm effects substantially affected lifetime performance of sows. Higher lifetime productivity of sows on HP farms was achieved by higher farrowing rate, fewer non-productive days, more PBA and more piglets weaned per sow, regardless of prolific category of the sows. [...]we have hypothesized that high prolific (H-prolific) and low prolific (L-prolific) sows on HP farms perform differently from equivalent sows on intermediate-performing (IP) or low-performing (LP) farms. [...]the objective of the present study was to examine the interaction between sow prolificacy groups and farm productivity groups for reproductive performance in consecutive parities, and lifetime performance of H-prolific and L-prolific sows. There is a hypothetical cascade from follicle development and embryo survival to pregnancy maintenance in sows [22]. [...]while H-prolific gilts may have had more potential than L-prolific gilts, for example, more ova, higher embryo survival and higher progesterone concentrations to maintain pregnancy, their ovarian function from ovaries to pregnancy decreased. [...]low prolific gilts may be associated with having litter of origin problems, such as low birth weight [24]. [...]our study suggests that differences in farm effects can affect patterns of reproductive performance in both H-prolific and L-prolific sows. Abstract Background Our objective was to examine the impact of farm effects and sow potential on various aspects of sow performance. We examined the interaction between sow prolificacy groups categorized at parity 1 and farm productivity groups for reproductive performance across parities, and lifetime performance. Data included 419,290 service records of 85,096 sows, on 98 Spanish farms, from first-service as gilts to removal, that were served between 2008 and 2013. Farms were categorized into three productivity groups based on the upper and lower 25th percentiles of the farm means of annualized lifetime piglets weaned per sow over the 6 years: high-performing (HP), intermediate-performing (IP), and low-performing (LP) farms. Also, parity 1 sows were categorized into three groups based on the upper and lower 10th percentiles of piglets born alive (PBA) as follows: 15 piglets or more (H-prolific), 8 to 14 piglets, and 7 piglets or fewer (L-prolific). The farm groups represent farm effects, whereas the sow groups represent sow potential. Linear mixed effects models were performed with factorial arrangements and repeated measures. Results Mean parity at removal (4.8 ± 0.01) was not associated with three farm productivity groups (P = 0.43). However, HP farms had 7.7% higher farrowing rates than LP farms (P < 0.05). As a result, H-prolific and L-prolific sows on HP farms had 29.7 and 30.7 fewer non-productive days during lifetime than the respective sows on LP farms (P < 0.05). Furthermore, the H-prolific and L-prolific sows on HP farms had 4.9 and 6.2 more annualized piglets weaned than respective H-prolific and L-prolific sows on LP farms (P < 0.05), which was achieved by giving birth to 0.8–1.0 and 1.4–1.7 more PBA per litter, respectively, than on HP farms during parities 2–6 (P < 0.05). During the first parity, HP farms had 18.8% H-prolific sows compared to 6.2% on LP farms. Conclusion Farm effects substantially affected lifetime performance of sows. Higher lifetime productivity of sows on HP farms was achieved by higher farrowing rate, fewer non-productive days, more PBA and more piglets weaned per sow, regardless of prolific category of the sows. |
ArticleNumber | 15 |
Author | Tani, Satomi Koketsu, Yuzo Piñeiro, Carlos |
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BackLink | https://www.ncbi.nlm.nih.gov/pubmed/30026960$$D View this record in MEDLINE/PubMed |
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CitedBy_id | crossref_primary_10_1186_s40813_020_00163_1 crossref_primary_10_1016_j_livsci_2021_104594 crossref_primary_10_1186_s40813_021_00231_0 crossref_primary_10_1371_journal_pone_0267644 crossref_primary_10_5194_aab_67_297_2024 crossref_primary_10_1093_jas_skz362 crossref_primary_10_3389_fvets_2024_1396492 |
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ContentType | Journal Article |
Copyright | Copyright © 2018. This work is licensed under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and conditions, you may use this content in accordance with the terms of the License. The Author(s). 2018 |
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Keywords | High prolific sows Lifetime performance High-performing farms Sow potential Farm effect |
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Snippet | Our objective was to examine the impact of farm effects and sow potential on various aspects of sow performance. We examined the interaction between sow... [...]we have hypothesized that high prolific (H-prolific) and low prolific (L-prolific) sows on HP farms perform differently from equivalent sows on... BACKGROUNDOur objective was to examine the impact of farm effects and sow potential on various aspects of sow performance. We examined the interaction between... Abstract Background Our objective was to examine the impact of farm effects and sow potential on various aspects of sow performance. We examined the... |
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StartPage | 15 |
SubjectTerms | Cattle Farm effect High prolific sows High-performing farms Hogs Lifetime performance Mortality Productivity Reproductive technologies Sow potential Weaning |
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Title | High-performing farms exploit reproductive potential of high and low prolific sows better than low-performing farms |
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