growing pig
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Animals ◽  
2021 ◽  
Vol 11 (11) ◽  
pp. 3213
Author(s):  
Chaiwat Arjin ◽  
Chanmany Souphannavong ◽  
Rakkiat Norkeaw ◽  
Niraporn Chaiwang ◽  
Supamit Mekchay ◽  
...  

The objective of this study was to determine the effect of perilla cake (PC) supplementation in a growing pig diet on overall growing performance, meat quality, and fatty acid profile. A total of 24 barrow grower crossbred pigs (Large White × Landrace) × Duroc with an initial average body weight of 26.33 kg were fed with a basal diet supplemented with PC at 0%, 5%, and 10% in (PC0, PC5, and PC10, respectively) for 12 weeks. At the end of the experimental period, pigs were slaughtered to determine carcass traits and meat quality. Back fat, abdominal fat, and longissimus dorsi (LD) muscle were collected to investigate fatty acid composition. The results show that the average daily gain (ADG) in the PC10 significantly increased. However, PC supplementation did not influence carcass traits and meat quality except the color as described by lightness (L*). Dietary PC supplementation significantly increased the α-linolenic acid (ALA, C18:3 cis-9, 12, 15), whereas n6/n3 ratio decreased significantly in all tissues investigated. Thus, it can be concluded that the supplementation of PC in growing pig diet is a potential way to increase the fatty acid composition to that required for healthier meat.


2021 ◽  
Vol 99 (Supplement_3) ◽  
pp. 394-395
Author(s):  
Jongkeon Kim ◽  
Yun Yeong Jo ◽  
Beob Gyun G Kim

Abstract The objective of this study was to determine the digestible energy (DE) and metabolizable energy (ME) concentrations in high-fiber ingredients fed to growing pigs. Twelve barrows with an initial body weight of 57.5 kg (SD = 5.7) were individually housed in metabolism crates. A replicated 6 × 3 incomplete Latin square design with 12 animals, 6 experimental diets and 3 periods was employed. A basal diet was composed of 75.0% corn and 22.7% soybean meal (SBM) as the sole energy sources. Four experimental diets were prepared by replacing 40% of corn and SBM with soybean hulls (SH), corn gluten feed (CGF), wheat bran (WB), or rice bran (RB). An additional diet was prepared by replacing 10% of corn and SBM with cashew nut hulls (CNH). Each period consisted of a 4-d adaptation period and a 4-d collection period, and the marker-to-marker procedure was used for total collection of feces and urine. The DE and ME values in RB (3,969 and 3,936 kcal/kg DM) were greater (P < 0.05) than those in CGF (2,654 and 2,520 kcal/kg DM) and SH (2,492 and 2,541 kcal/kg DM) and the energy values in WB (3,162 and 3,118 kcal/kg DM) were not different from those in RB, CGF, or SH. The DE and ME values in CNH (350 and 572 kcal/kg DM) were less (P < 0.05) than those in all other test ingredients. In conclusion, energy concentrations in RB were greatest among the high-fiber test ingredients, whereas CNH had the lowest values.


2021 ◽  
Vol 99 (Supplement_3) ◽  
pp. 120-121
Author(s):  
Fiona Tansil ◽  
Lee-Anne Huber ◽  
Elijah Kiarie ◽  
Daniel A Columbus ◽  
Anna-Kate Shoveller

Abstract New ingredients need to be characterized both chemically and in vivo, then compared to commonly-used protein ingredients before they can be considered for use in feeds. The objective of the present study was to determine the standardized ileal digestibility (SID, %) of amino acids (AA) of partially defatted black soldier fly larvae meal (BSFLM) (49.7% CP; 14.4% crude fat as fed). Subsequently, these results were compared to the SID AA of common protein ingredients in swine feed, fish meal (FM) and soybean meal (SBM) (NRC 2012), and to published full-fat (FF) BSFLM SID values. Six ileal-cannulated barrows (18.03 ± 0.67 kg BW) were used in a 2x2 Latin square design and fed either a nitrogen-free diet (NFD) or BSFLM-containing diet over two 11-d experimental periods. In each period, barrows were adapted for 7 days to the diet and ileal digesta collection was conducted on day 10 and 11 for 8h per day. Basal endogenous AA losses (EAAL) were calculated from pigs fed the NFD and as expected, the ileal AA content were significantly higher for pigs fed the BSFLM diet than NFD (P < 0.05). SID for AA were then calculated based on the obtained EAAL values following Stein et al., 2007. For essential AA, the SID of BSFLM were all above 82%, the highest being Arg (93.76%), followed by Met (91.32%), and Phe (89.80%). The SID of essential AA were on average 5.0% higher in BSFLM than FM, but 2.7% lower than SBM. When compared to the FF BSFLM, SID of essential AA of BSFLM were 1–5% higher, except for Phe and Thr. These results suggest that partially defatted BSFLM is a promising alternative protein ingredient in growing pig diets, which has a more digestible AA profile than FM, only slightly lower than SBM, and comparable to the FF BSFLM.


2021 ◽  
Author(s):  
Mfanuzile Welcome Lubisi ◽  
F Fushai ◽  
R.S Thomas ◽  
J.J. Baloyi

Abstract The study evaluated effects of processing cowpeas for inclusion in maize-based diets for Windsnyer, Large-White x Landrace, and their 3-way crossbred growing pig genotypes. In-vitro, the raw and roasted cowpea diets, sprouting cowpeas decreased (P<0.05) gastric-ileal non-enzymatic (buffer-only) DM digestibility. Roasting increased (P<0.05) the colon enzymatic digestion relative to sprouting. Total ileal and colon in-vitro diet DM digestibility were not affected (P>0.05) by cowpea processing. In-vivo, Pigs consumed most (P<0.05) feed (g/day/kg BW) in period 1, with significant (P<0.05) genotype X period interaction. Both roasting and sprouting cowpeas reduced (P<0.05) dietary apparent DM digestibility. Pig daily body weight (BW) gain reduced (P<0.05) in period 3 compared to period 1. There was no (P>0.05) treatment effect on feed conversion efficiency. The 3-way crossbred pigs excreted more (P<0.05) urine N (g/dayBW0.75). Urine N excretion (g/dayBW0.75) peaked (P<0.05) in period 2 (P<0.05), with less (P<0.05) N intake (g/dayBW0.75), faecal N excretion (g/dayBW0.75) and N balance (g/dayBW0.75) than in period 3. Significant diet X genotype interaction in faecal N excretion (g/dayBW0.75) resulted from markedly high (P<0.05) in contrast to low (P<0.05) excretion. Significant genotype X period interaction resulted from the numerically (P>0.05) higher urine N excretion. In conclusion, in-vitro, sprouting shifted non-enzymatic digestion to the colon, while roasting increased colon fibrolysis, without effect on overall DM digestibility. In-vivo, the period of feeding, interpreted to reflect pig maturity, the pig genotype and cowpea processing interacted to influence apparent dietary DM digestibility and N utilization, without significant effect on the conversion efficacy of the maize-cowpea diet.


2021 ◽  
Vol 99 (Supplement_1) ◽  
pp. 101-101
Author(s):  
Sara D Hough

Abstract Nutritionists and veterinarians have long recognized that the provision and consumption of all essential nutrients is critical to the health of pigs, in all production phases. Animals that are properly fed, and maintain adequate body stores, are better able to reach their full genetic potential and defend themselves from pathogen invasion. This may be due to better tissue integrity, proper antibody production, improved detoxifying ability, and many other factors (Shurson et al, 1998). The pathology of various infectious organisms can influence absorption and the metabolism of nutrients, and inadequate nutrition can worsen the frequency, duration or pathogenicity of infectious disease. Herd health programs can only be most effective if pigs have adequate nutrition. Although much attention has been given to diagnostics, immunology, epidemiology and surveillance of infectious challenges, there is still relatively little known about the interactions viruses have with digestibility, metabolism and tissue accretion (Gabler et al, 2017). There is increasing interest in discovering ways to support the immune system, as improved alternatives are necessary with evolving restrictions on antibiotic use, zinc and others. The future demands a holistic approach to create resilient, robust animals, and that we identify alternatives that improve the productivity and overall wellbeing of food animals. It is well established that the gastrointestinal tract is the largest interface between the external and internal environments of the pig, and that the pig gut microbiota plays a critical role in maintaining metabolic homeostasis in harmony with a myriad of other physiological functions. Knowing this, how do we “feed the gut” and support a proper microbiome? What considerations do we need to have for the wean pig, the growing pig, the often-forgotten replacement gilt, and the challenges and environments they encounter? In this presentation, we will describe the relationships of nutrition and health, and how they can influence productivity.


2021 ◽  
Vol 189 ◽  
pp. 105270
Author(s):  
Cesar A.A. Moura ◽  
Reid Philips ◽  
Gustavo S. Silva ◽  
Alejandro Ramirez ◽  
Phillip C. Gauger ◽  
...  
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2021 ◽  
Author(s):  
Joanna Nadia ◽  
Alexander G. Olenskyj ◽  
Natascha Stroebinger ◽  
Suzanne M. Hodgkinson ◽  
Talia G. Estevez ◽  
...  

There is currently a limited understanding of the effect of food structure on physical breakdown and gastric emptying of solid starch-based foods during gastric digestion. Moisture uptake, pH, particle size,...


2021 ◽  
Author(s):  
Joanna Nadia ◽  
Alexander G. Olenskyj ◽  
Natascha Stroebinger ◽  
Suzanne M. Hodgkinson ◽  
Talia G. Estevez ◽  
...  

Correction for ‘Tracking physical breakdown of rice- and wheat-based foods with varying structures during gastric digestion and its influence on gastric emptying in a growing pig model’ by Joanna Nadia et al., Food Funct., 2021, DOI: 10.1039/D0FO02917C.


2021 ◽  
Author(s):  
Carlos Montoya ◽  
SJ Henare ◽  
Erin M O'Donoghue ◽  
Doug Rosendale ◽  
Patrick Edwards ◽  
...  

Kiwifruit (KF) fiber, a mixture of soluble and insoluble fibers, elicits mucosal changes in the gastrointestinal tract (GIT). This study aimed to define the nature of these changes in mucosal...


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