Ron A Navales
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View article: 298 Effect of dietary S-abscisic Acid (S-ABA) supplementation on the growth performance and antioxidant status of nursery pigs.
298 Effect of dietary S-abscisic Acid (S-ABA) supplementation on the growth performance and antioxidant status of nursery pigs. Open
To evaluate the effect of dietary S-abscisic acid (S-ABA) supplementation on the growth performance and antioxidant status, 320 nursery pigs (DNA 241 × 600; initially 5.4 ± 0.51 kg) were weaned at approximately 18 d of age and assigned to …
View article: 419 Comparative analyses of caliper models for body condition assessment in reproductive females across physiological stages.
419 Comparative analyses of caliper models for body condition assessment in reproductive females across physiological stages. Open
The objective of this study was to compare the performance of five caliper versions in assessing body condition scores across distinct reproductive stages of gilts and sows. A total of 572 PIC Camborough sows were utilized, including 98 gi…
View article: 132 Effects of standardized ileal digestible lysine on growth performance, removal and mortality rates, and behavior of grow-finish pigs sired by PIC®337 boars
132 Effects of standardized ileal digestible lysine on growth performance, removal and mortality rates, and behavior of grow-finish pigs sired by PIC®337 boars Open
Our objective was to determine the effects of increasing standardized ileal digestible (SID) lysine (Lys) levels on growth performance, mortality rate, and behavior of grow-finish pigs sired by PIC 337 boars. A total of 1,909 barrows and g…
View article: PSV-12 Evaluation of dietary crude protein and acid-binding capacity on nursery pig growth performance and fecal dry matter
PSV-12 Evaluation of dietary crude protein and acid-binding capacity on nursery pig growth performance and fecal dry matter Open
A 42-d study used 360 pigs (241 × 600 DNA; initially 5.2 ± 0.01 kg) to assess the effects of dietary crude protein (CP) and acid-binding capacity at a pH of 4 (ABC-4) on growth performance and fecal dry matter (DM). Pens were randomly allo…
View article: 3 Effects of varying energy levels for gilts during the first gestation on reproductive performance and retention rates through parity 3
3 Effects of varying energy levels for gilts during the first gestation on reproductive performance and retention rates through parity 3 Open
Our objective was to determine the effects of varying feeding levels for gilts during the first gestation on reproductive performance and retention rate through parity 3. A total of 1,187 PIC Camborough® gilts were used. Gilts were randoml…
View article: 65 Technologies and practices to improve feed and nutrient utilization by pigs
65 Technologies and practices to improve feed and nutrient utilization by pigs Open
Feed is a major contributor to pig production’s environmental impact. Various production practices used within the pork ecosystem allow for improvements in nutrient utilization that can reduce on-farm emissions from swine manure and reduce…
View article: 180 Determining the standardized ileal digestible lysine and standardized total tract digestible phosphorus requirements of growing-finishing pigs utilizing different soybean meal net energy
180 Determining the standardized ileal digestible lysine and standardized total tract digestible phosphorus requirements of growing-finishing pigs utilizing different soybean meal net energy Open
There is growing debate about increasing the net energy (NE) value of soybean meal (SBM) in swine formula. To aid in precise formulation using lysine (Lys) and phosphorus (P) to NE ratios as constraints, this trial aims to project standard…
View article: 252 Evaluation of phase feeding and complete diet blending at different standardized ileal digestible lysine levels on finishing pig growth performance, carcass characteristics and diet costs
252 Evaluation of phase feeding and complete diet blending at different standardized ileal digestible lysine levels on finishing pig growth performance, carcass characteristics and diet costs Open
A total of 2,160 mixed-gender pigs [PIC 337 × 1050; initial body weight (BW) = 24.9 ± 0.97 kg) were used in the 120-d study to compare feeding strategies (phase feeding vs complete diet blending) at different SID Lys levels (90 vs 100% of …
View article: 70 Determination of phosphorus release of Microtech phytase in nursery pig diets
70 Determination of phosphorus release of Microtech phytase in nursery pig diets Open
A total of 320 barrows (DNA 241 × 600; initially 10.7 ± 0.21 kg) were used in a 21-d growth trial to determine the available P (aP) release curve for Microtech phytase (Guangdong VTR Bio-Tech Co, Ltd. Zhuhai, Guangdong, China). At approxim…
View article: 31 Importance of Good Sow Development: Focusing on Nutrition and Feeding from Gilt Development to Subsequent Parities
31 Importance of Good Sow Development: Focusing on Nutrition and Feeding from Gilt Development to Subsequent Parities Open
Continuous genetic progress leads to significant improvements in growth and efficiency of PIC Camborough gilts. As an example, gilt weight gain per day of age has increased dramatically in the past decade. This implies that gilts are heavi…
View article: 133 The Effects of Increasing Dietary Standardized Ileal Digestible Lysine Levels on Growth Performance and Carcass Characteristics of 24- to 130-kg Grow-Finish Pigs Sired by PIC 800 Boars
133 The Effects of Increasing Dietary Standardized Ileal Digestible Lysine Levels on Growth Performance and Carcass Characteristics of 24- to 130-kg Grow-Finish Pigs Sired by PIC 800 Boars Open
Our objective was to determine the effects of increasing overall standardized ileal digestible (SID) lysine (Lys) levels on growth performance and carcass characteristics of grow-finish pigs sired by PIC 800 boars. A total of 1,715 barrows…
View article: 214 Effects of Dietary Standardized Ileal Digestible (SID) Lysine (Lys) Levels and Dietary SID Tryptophan to Lys Ratios on Growth Performance of Late-Nursery Maternal Barrows
214 Effects of Dietary Standardized Ileal Digestible (SID) Lysine (Lys) Levels and Dietary SID Tryptophan to Lys Ratios on Growth Performance of Late-Nursery Maternal Barrows Open
The objective was to determine the effects of dietary standardized ileal digestible (SID) lysine (Lys) levels and SID tryptophan (Trp) to Lys ratios on the growth performance of late-nursery maternal barrows. A total of 2,293 barrows (PIC …
View article: 135 Effects of Increasing Dietary Standardized Ileal Digestible Lysine Levels on Growth Performance of PIC 337 × Camborough Commercial Pigs that were Sired by High Index Boars
135 Effects of Increasing Dietary Standardized Ileal Digestible Lysine Levels on Growth Performance of PIC 337 × Camborough Commercial Pigs that were Sired by High Index Boars Open
Our objective was to determine the effects of increasing dietary standardized ileal digestible lysine levels on the growth performance of PIC 337 × Camborough commercial pigs that were sired by high-index boars. A total of 2,200 barrows an…
View article: 132 The Effects of Increasing Dietary Standardized Ileal Digestible Lysine Levels on Growth Performance and Carcass Characteristics of 11- to 133-kg Late-Nursery-to-Finish Pigs Sired by PIC 800 Boars
132 The Effects of Increasing Dietary Standardized Ileal Digestible Lysine Levels on Growth Performance and Carcass Characteristics of 11- to 133-kg Late-Nursery-to-Finish Pigs Sired by PIC 800 Boars Open
Our objective was to determine the effects of increasing standardized ileal digestible (SID) lysine (Lys) levels on growth performance and carcass characteristics of late-nursery-to-finish pigs sired by PIC 800 boars. Barrows and gilts [n …
View article: 221 Assessment of Modern Gilts and Sows Body Weight (BW) Throughout Gestation and how Different Gilt BW at Breeding Impact the Energy Requirement for Maintenance at Each Parity
221 Assessment of Modern Gilts and Sows Body Weight (BW) Throughout Gestation and how Different Gilt BW at Breeding Impact the Energy Requirement for Maintenance at Each Parity Open
In addition to reproductive traits, growth, robustness, and carcass traits also contribute to the selection index of maternal lines, resulting in leaner and faster-growing modern genotype females. As a consequence, today’s gilts achieve he…
View article: 134 Meta-Analysis to Determine the Standardized Ileal Digestible Lysine Requirements of Growing-Finishing Pigs from 11- to 150-kg Utilizing the Ingredients Database of Inra
134 Meta-Analysis to Determine the Standardized Ileal Digestible Lysine Requirements of Growing-Finishing Pigs from 11- to 150-kg Utilizing the Ingredients Database of Inra Open
A meta-analysis was conducted to determine the standardized ileal digestible (SID) lysine (Lys) recommendations for 11–150 kg PIC pigs housed under commercial conditions utilizing the INRA feed ingredients database. Data from 29 trials dat…
View article: Evaluation of Phase Feeding and Complete Diet Blending at Different Standardized Ileal Digestible Lysine Levels on Growing-Finishing Pigs’ Growth Performance, Carcass Characteristics, and Diet Economics
Evaluation of Phase Feeding and Complete Diet Blending at Different Standardized Ileal Digestible Lysine Levels on Growing-Finishing Pigs’ Growth Performance, Carcass Characteristics, and Diet Economics Open
A total of 2,160 mixed-gender pigs (PIC 337 × 1050; initially 54.8 ± 9.4 lb) were used in the 120-d study to compare feeding strategies (phase feeding vs. complete diet blending) at different SID Lys levels (90 vs. 100% of requirement esti…
View article: Impact of dietary analyzed calcium to phosphorus ratios and standardized total tract digestible phosphorus to net energy ratios on growth performance, bone, and carcass characteristics of pigs
Impact of dietary analyzed calcium to phosphorus ratios and standardized total tract digestible phosphorus to net energy ratios on growth performance, bone, and carcass characteristics of pigs Open
A total of 2,184 pigs (337 × 1,050, PIC; initially 12.4 ± 0.17 kg) were used in a 143-d study to evaluate the effects of feeding varying analyzed calcium to phosphorus ratios (Ca:P) at two standardized total tract digestible (STTD) phospho…
View article: 271 Effects of Increasing Lactation Dietary Energy Concentration by Adding fat During the Summer Period on sow and Litter Performance
271 Effects of Increasing Lactation Dietary Energy Concentration by Adding fat During the Summer Period on sow and Litter Performance Open
The objective was to determine the effects of increasing energy in lactation diets fed during the summer period on sow and litter performance. A total of 356 sows (PIC Camborough) were randomly assigned at entry into the farrowing room to …
View article: 254 Effects of Increasing Daily Dietary Standardized Ileal Digestible Lysine Intake of Gilts and Sows During day 35-to-112 of Gestation on Reproductive Performance
254 Effects of Increasing Daily Dietary Standardized Ileal Digestible Lysine Intake of Gilts and Sows During day 35-to-112 of Gestation on Reproductive Performance Open
Our objective was to determine the effects of increasing daily dietary standardized ileal digestible (SID) lysine (Lys) intake during d35-to-112 of gestation on sow and litter performance. A total of 583 gilts and sows (PIC Camborough) wer…
View article: 274 Effects of Feeding Levels in Early Gestation on PIC Camborough Sows and Litter Performance
274 Effects of Feeding Levels in Early Gestation on PIC Camborough Sows and Litter Performance Open
Our objective was to determine the effects of increasing feeding levels for PIC Camborough sows during early gestation on sow and litter performance. A total of 636 sows (PIC Camborough) were randomly assigned at weaning to 1 of 4 treatmen…
View article: 6 Effects of Plans on Growth Performance and Behaviors of 32- to 128-kg Grow-Finish Pigs
6 Effects of Plans on Growth Performance and Behaviors of 32- to 128-kg Grow-Finish Pigs Open
A total of 1,900 pigs (PIC337×Camborough, initially 32.0 ± 0.52kg) were used to determine the effects of different nutrition plans on growth performance and behaviors of 32- to 128-kg grow-finish pigs. Pens of pigs were weighed, blocked by…
View article: 142 Effects of Increasing Dietary Standardized Ileal Digestible Lysine Levels on Growth Performance of 11- to 25-Kg Pigs Sired by PIC 337 High Index Boars
142 Effects of Increasing Dietary Standardized Ileal Digestible Lysine Levels on Growth Performance of 11- to 25-Kg Pigs Sired by PIC 337 High Index Boars Open
Our objective was to determine the effects of increasing dietary standardized ileal digestible (SID) lysine (Lys) on growth performance of late nursery pigs. A total of 1,116 pigs (PIC 337×Camborough, initially 11.1±0.11 kg) were used in a…
View article: 152 Effects of Feeding Levels in Early Gestation on PIC Terminal Sows and Litter Performance
152 Effects of Feeding Levels in Early Gestation on PIC Terminal Sows and Litter Performance Open
Our objective was to determine the effects of increasing feeding levels for terminal line sows during early gestation on sow and litter performance. A total of 615 PIC L65 (213.3 kg ± 1.51) parity 1 to 3 sows were randomly assigned at wean…
View article: 159 Effects of Dietary Energy and Standardized Ileal Digestible Lysine Levels on Growth Performance of Grow-Finish Maternal Barrows
159 Effects of Dietary Energy and Standardized Ileal Digestible Lysine Levels on Growth Performance of Grow-Finish Maternal Barrows Open
Our objective was to determine the effects of dietary energy and standardized ileal digestible (SID) lysine (Lys) on growth performance of grow-finish maternal barrows. A total of 1,056 barrows (L02 ′ L03, initially 35.2 kg±0.29) were used…
View article: 155 Effects of Ad Libitum or Restricted Feeding from 140 to 200 Days of Age on Removal Rate and Semen Production of PIC 800 Boars
155 Effects of Ad Libitum or Restricted Feeding from 140 to 200 Days of Age on Removal Rate and Semen Production of PIC 800 Boars Open
Our objective was to determine the effects of ad libitum or restricted feeding PIC 800 boars from 140 to 200 d of age on removal rate and semen production. A total of 206 boars (141±1.5 d of age, 115±1.9 kg of body weight) were randomly al…
View article: 100 The Impact of Dietary Analyzed Ca to P Ratios and Standardized Total Tract Digestible P to Net Energy Ratios on Growth Performance, Bone, and Carcass Characteristics of Pigs
100 The Impact of Dietary Analyzed Ca to P Ratios and Standardized Total Tract Digestible P to Net Energy Ratios on Growth Performance, Bone, and Carcass Characteristics of Pigs Open
A total of 2,184 pigs (initially 12.4 kg) were used to evaluate effects of varying analyzed Ca:P ratios at 2 levels of standardized total tract digestible (STTD) P:NE. Pens of pigs (26 pigs/pen) were assigned to 6 dietary treatments in a r…