251 Effects of Cross-Fostering and Number of Litters Used to Create Cross-Fostered Litters on Piglet Pre-Weaning Mortality and Weaning Weight. (12th April 2022)
- Record Type:
- Journal Article
- Title:
- 251 Effects of Cross-Fostering and Number of Litters Used to Create Cross-Fostered Litters on Piglet Pre-Weaning Mortality and Weaning Weight. (12th April 2022)
- Main Title:
- 251 Effects of Cross-Fostering and Number of Litters Used to Create Cross-Fostered Litters on Piglet Pre-Weaning Mortality and Weaning Weight
- Authors:
- Vande Pol, Katherine D
Olivio, Alicia
Harper, Heath
Shull, Caleb M
Brown, Katie
Ellis, Michael - Abstract:
- Abstract: The objective was to determine effects of cross-fostering and number of litters used to create cross-fostered litters on piglet pre-weaning mortality (PWM) and weight. The study was conducted on 2 commercial farrowing facilities using a RCBD (53 blocks; total of 265 litters/3675 piglets). Blocking factors were farrowing day, sow parity, body condition score, functional teat number, and average and CV of piglet birth weight. Treatments involved cross-fostering different percentages of the litter (0% = no cross-fostering; 50% = half cross-fostered, half from the birth sow; 100% = all piglets cross-fostered) and differing number of litters used in cross-fostering. The 5 Treatments were (% fostered/number of litters used): 1) 0%/1 litter; 2) 100%/1 litter; 3) 100%/6+ litters; 4) 50%/4+ litters; 5) 50%/2 litters. Litter sizes at cross-fostering (13 or 14 piglets) were equalized across Treatments within block. Piglets were weighed 24 h after birth (when cross-fostering was carried out) and at weaning (19.2 ± 0.97 d); all PWM was recorded. Data were analyzed using SAS, models accounted for the fixed effect of Treatment and random effects of sow, block, and farm. The 0%/1 litter and 100%/1 litter Treatments were similar ( P > 0.05; Table 1) for all measurements, indicating no effect of cross-fostering per se. Litter sizes at 7 and 14 d, and weaning were lower ( P ≤ 0.05) for the two 1-litter Treatments compared with the 50%/2 litters Treatment; other Treatments wereAbstract: The objective was to determine effects of cross-fostering and number of litters used to create cross-fostered litters on piglet pre-weaning mortality (PWM) and weight. The study was conducted on 2 commercial farrowing facilities using a RCBD (53 blocks; total of 265 litters/3675 piglets). Blocking factors were farrowing day, sow parity, body condition score, functional teat number, and average and CV of piglet birth weight. Treatments involved cross-fostering different percentages of the litter (0% = no cross-fostering; 50% = half cross-fostered, half from the birth sow; 100% = all piglets cross-fostered) and differing number of litters used in cross-fostering. The 5 Treatments were (% fostered/number of litters used): 1) 0%/1 litter; 2) 100%/1 litter; 3) 100%/6+ litters; 4) 50%/4+ litters; 5) 50%/2 litters. Litter sizes at cross-fostering (13 or 14 piglets) were equalized across Treatments within block. Piglets were weighed 24 h after birth (when cross-fostering was carried out) and at weaning (19.2 ± 0.97 d); all PWM was recorded. Data were analyzed using SAS, models accounted for the fixed effect of Treatment and random effects of sow, block, and farm. The 0%/1 litter and 100%/1 litter Treatments were similar ( P > 0.05; Table 1) for all measurements, indicating no effect of cross-fostering per se. Litter sizes at 7 and 14 d, and weaning were lower ( P ≤ 0.05) for the two 1-litter Treatments compared with the 50%/2 litters Treatment; other Treatments were intermediate. There was no effect ( P > 0.05) of Treatment on piglet weight. Pre-weaning mortality was greater ( P ≤ 0.05) for the two 1-litter treatments compared with the other 3 Treatments, which were similar ( P > 0.05). In conclusion, cross-fostering had no effect on piglet performance, however, PWM was greater for treatments comprised of piglets from a single litter compared with those from several litters. … (more)
- Is Part Of:
- Journal of animal science. Volume 100(2022)Supplement 2
- Journal:
- Journal of animal science
- Issue:
- Volume 100(2022)Supplement 2
- Issue Display:
- Volume 100, Issue 2 (2022)
- Year:
- 2022
- Volume:
- 100
- Issue:
- 2
- Issue Sort Value:
- 2022-0100-0002-0000
- Page Start:
- 116
- Page End:
- 117
- Publication Date:
- 2022-04-12
- Subjects:
- cross-fostering -- pre-weaning mortality -- weaning weight
Livestock -- Periodicals
Livestock
Electronic journals
Periodicals
636.005 - Journal URLs:
- https://dl.sciencesocieties.org/publications/jas/index ↗
http://www.asas.org/jas/ ↗
https://academic.oup.com/jas ↗
http://www.oxfordjournals.org/ ↗ - DOI:
- 10.1093/jas/skac064.197 ↗
- Languages:
- English
- ISSNs:
- 0021-8812
- Deposit Type:
- Legaldeposit
- View Content:
- Available online (eLD content is only available in our Reading Rooms) ↗
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